1, when the fluidity required by the construction is large, coarse aggregate tends to segregate. In order to ensure the cohesiveness of concrete, the sand ratio ().

A.it should be bigger

B.it should be small.

C.it doesn't matter

2, used to prepare concrete sand, stone, should try to make ().

A. the total surface area is large and the porosity is small.

B. The total surface area is smaller and the porosity is smaller.

C. the total surface area is larger and the porosity is larger.

3, crushing index is used to represent () strength index.

A. stone

B. lightweight aggregate

C. lightweight aggregate concrete

4, when determining the compressive strength of concrete, such as using100 mm×100 mm×100 mm specimen, the conversion coefficient should be ().

A: 0.95

b. 1

c 1.05

5, determination of concrete strength with the standard specimen size is () mm. ..

a.70.7×70.7×70.7

b . 100× 100× 100

c . 150× 150× 150

6, the evaluation index of fine aggregate thickness and gradation is ().

A. sieve analysis method

B. screening curvature and fineness modulus

C. Reasonable sand ratio

7, used as lime putty consistency should be () mm. ..

a. 120 5

b. 1 10

c. 100

8, can not only reveal the internal structural defects of steel but also reflect the plasticity of steel under static load test ().

A. tensile test

B. Cold bending test

C. Impact toughness test

9. Among the following coatings, () requires the base to be dry.

A. solvent-based coatings

B. water-soluble coatings

C. latex coatings

10, petroleum asphalt with the increase of brand, ().

A. its penetrating power decreases from large to small.

B. Its ductility changes from small to large.

C. its softening point changes from low to high.

1 1. The mass per unit volume of a substance in its natural state is called ().

A. density

B. relative density

C. apparent density

D. bulk density

12, after the material absorbs water, the () of the material will be improved.

A. Persistence

B. strength

C. heat preservation

D. Thermal conductivity

13, wetting angle θ () of hydrophilic materials.

a.≤45

b.≤90

c.>90

d.>45

14, the water resistance of the material refers to the property that the material () is not destroyed and its strength is not significantly reduced.

A. unde that action of water

B. unde that action of pressure water

C. under the action of long-term saturated water

D. under the long-term action of water

15. The following materials () can be used as cover plates for bathroom and kitchen ceilings.

A. Cement asbestos

B. mineral wool decorative board

C. Moisture-proof gypsum board

D. gypsum board

16, add some high-quality quicklime to cement, because the volume of quicklime expands when it is digested ().

A. this will make cement unsafe.

B. it will make the cement unable to set and harden normally.

C. it has no influence on the stability of cement.

17, concrete mix design, preparation strength is higher than the design requirements of the strength grade value, the degree of improvement depends on ().

A. strength grade required by design.

B. Management level of the construction unit

C. Guarantee rate of required troops

d.b+c

18, cold area outdoor concrete engineering, often used concrete admixture is ().

A. water reducing agent

B. early strength agent

C. air entraining agent

D. antifreeze

19, in the design of concrete beam and slab in general engineering, the strength grade of concrete should be ().

a.c 10

b.c 15~c30

c35~c50

D.c60 and above

20, adding fiber materials in plastering mortar can change the mortar ().

A. strength

B. tensile strength

C. water retention

D. Degree of stratification

2 1, the calibrated specification length of autoclaved aerated concrete block is ().

700 mm

600 mm

About 400 mm

500mm in diameter

22, strength grade 15 above the lime-sand brick can be used in () the construction site.

A. More than one floor

B. Above the moistureproof layer

C. basics

D. Any part

23, detection of carbon structure, don't have to test the project has ().

A. tensile test

B. Impact test

C. Cold bending test

D. Hardness test

24, carbon structural steel at the time of acceptance, should check the five chemical elements should be ().

AC, Si, Mn, P

Boron, carbon, phosphorus, sulfur, oxygen, nitrogen

Carbon, phosphorus, manganese, vanadium and nitrogen

DC, Silicon, Manganese, Vanadium and Sulfur

25, wood is divided into conifers and broad-leaved trees according to tree species, the following four trees belong to conifers is ().

A. cypress

B. birch

C.oak tree

D. bodhi tree

26, the following plastics, () has the characteristics of hard, tough, good rigidity, good processability.

A. polyethylene

B. polystyrene

C.abs engineering plastics

D. epoxy resin

27, the following adhesives, () can be used for structural reinforcement.

A. 107 glue

B.502 glue

C. epoxy resin

D. white glue

28. After mixing 80 kg of petroleum asphalt with softening point of 95℃ and 20 kg of petroleum asphalt with softening point of 45℃, the softening point of asphalt is ()℃.

A: 80

b85

c.90

Cao 70

29, the following polymer does not belong to the thermoplastic is ().

A. polyvinyl chloride

B. epoxy resin

C. polypropylene

D. polystyrene

30. The following () materials should not be used as roofing waterproof materials for high-rise hotels.

A.sbs polymer modified asphalt waterproofing membrane

B. Polyurethane synthetic polymer coatings

C. Fine stone waterproof concrete

D. three felts and four oils.

3 1, in the northern region, the asphalt rubber with the label () should be selected for the coiled roof with a roof slope of 2%.

A: 80

b60

c.75

Cao 65

32, in the following statement, () is wrong.

A. Exterior wall tiles and floor tiles are stoneware or porcelain ceramic products.

B the water absorption of colored glazed tiles shall not be greater than 10%.

C. colored glazed tiles are also called glazed tiles.

D. Wall pressing can be glazed or unglazed.

33, in the following statement, () is wrong.

A. After tempered glass, the middle part is under tensile stress.

B. the surface of tempered glass is prestressed.

C. when tempered glass is broken, the fragments are very small and there is no acute angle.

D. tempered glass can be cut and polished.

34. The following coatings () are only suitable for indoor use.

A. Styrene-acrylic coating

B. polyvinyl alcohol-based coatings

C. perchloroethylene paint

D. boron-carbon coating

35. When light passes through blue glass, the color of the light that can pass through is ().

A. Green (surname); green

B. blue

C. white

D. red

36, processing glass, can't the knife processing glass is ().

A. embossed glass

B. Ground glass

C. glazed glass

D. tempered glass

37, metope adornment according to the different materials and construction methods can be divided into ().

(1) plastering, (2) coating, (3) nailing, (4) brushing stone, (5) pasting, (6) marble, (7) mosaic and (8) veneering.

a.①②③⑥⑦⑧

b.③④⑤⑥⑦⑧

c.①②③④⑤⑧

d.①②③④⑦⑧

38, in the wall design, the wall whose own weight is borne by the floor or beam is called ().

A. Window wall

B. load-bearing wall

C. cross-cutting wall

D. partition wall

39, building modulus ().

① Unified modulus ② Actual size ③ Basic modulus ④ Structural size ⑤ Enlarged modulus ⑤ Fractional modulus.

a.①③④⑤⑥

b.③⑤⑥

c.①③⑤⑥

d.①②③④⑤⑥

40. The fire resistance limit of Class A fire door is ().

Answer: 4h

b.2h

c.0.9h

d. 1.2h

4 1, the design impermeability grade of waterproof concrete is determined according to ().

A. wall thickness of waterproof concrete

B. Strength grade of concrete

C. Maximum head

D. ratio of maximum water head to concrete wall thickness

42, the role of heat insulation gas barrier, which of the following statements is correct ().

A. Protect the roof from moisture

B. prevent the roof structural plate from condensation.

C. preventing indoor and outdoor air infiltration

D, prevent the roof insulation layer from condensation.

43, coil to prevent horizontal roof and brick wall junction flooding, which one is correct ().

A. Pick out the 4 cm eyebrow brick

B. Pick out 4cm eyebrow brick and apply 2cm thick 1: 2.5 cement mortar.

C. Do not pick eyebrow bricks, leave grooves on the wall, and apply 2cm thick 1: 2.5 cement mortar on the wall.

D. No eyebrow brick is raised, no groove is left on the wall, and the upper wall is jointed with 1: 1 cement mortar.

44, in order to prevent cracks in the rigid waterproof roof of fine stone concrete, which of the following statements is wrong ().

A. control the minimum thickness of fine stone concrete waterproof layer

B. correctly determine the position of frame joints of waterproof layer.

C strengthen the combination of waterproof layer and base, and brush plain cement slurry (mixed with 107 glue) on the base.

D, adding water reducing agent into the waterproof layer of fine stone concrete.

45, the following wall () can't be used as a high-rise public * * * building walkway non-bearing partition.

A. 120mm thick clay hollow brick wall with double plastering.

B.90mm thick gypsum fly ash hollow lath

C. 100mm thick cement steel wire mesh polystyrene sandwich wallboard

D. Wood keel wood fiberboard wall

46, the following wall () can't be used as a high-rise public * * * building stairs non-bearing partition.

A. 100mm thick cement steel mesh polystyrene sandwich wall

B. 120mm thick double-sided plastered clay hollow brick wall

C. 200 thick fly ash silicate block wall

D. 100mm thick double plastered reinforced concrete wall

47, measures to prevent temperature deformation caused by masonry building roof wall cracking, the following statement is wrong ().

A, add 40mm thick cast-in-place reinforced concrete layer on the precast reinforced concrete slab roof.

B, set the thermal insulation layer or thermal insulation layer on the roof.

C. Assembled reinforced concrete roof with purlin system shall be adopted.

D. setting expansion joints

48, which of the following factors is not the decisive factor of building aproll width ().

A. Soil characteristics and climatic conditions

B. Height of the building

C. Roof drainage form

The foundation of the building exceeds the width of the wall skin.

49. About the slope range of stairs and ramps, the following statement is wrong ().

A. The gradient of stairs ranges from 20 to 45.

B The gradient of the slope ranges from 0 to 20.

The gradient of the ladder ranges from 45 degrees to 90 degrees.

D Slope-to-height ratio110 of ramps for disabled people in new buildings.

50. The gap between the aluminum alloy door window frame and the wall is generally filled with glass wool strips and other materials. The surface of the gap has a notch of 5 ~ 8 mm deep and is filled with sealing material. The main purpose of this is ().

A. Fire prevention

B. Insect control

C. torsion resistance

D. Anti-condensation

5 1, quicklime is cured into lime slurry by adding water. Before use, it should be "aged" in ash storage pit for more than two weeks. Its purpose is ().

A. it is beneficial to the crystallization of ca(oh)2.

B. Eliminate the harm of quicklime

C, reduce the heat generated by curing.

D, thickening the lime slurry

52, the following statement about cement, () is not correct.

A. ordinary cement should be used for shotcrete.

B pozzolanic cement should be preferred for concrete with wear resistance requirements.

C road portland cement has good wear resistance and dry shrinkage resistance, and the dry shrinkage in 28 days shall not be greater than 0.65438 0%.

D. When producing quick-hardening portland cement, the contents of c3s and c3a in clinker, the content of gypsum and the grinding fineness of cement should be appropriately increased.

53, the following narrative about slump, () is not correct.

Slump is an index of fluidity of plastic concrete mixture.

B the slump of hardened concrete mixture is less than 10mm, and its consistency must be expressed by Weibull consistency.

C the slump of the pumped concrete mixture shall not be less than 100 mm.

D, pouring large and medium cross-section plate, beam and column, the slump of concrete mixture should be 70 mm ~ 90 mm.

54, the following narrative about the nature of masonry mortar, () is not correct.

A. The fluidity of fresh mortar is expressed by the settlement (consistency value mm), such as brick masonry and dry climate, the settlement can be 80 ~100 mm..

B the water retention of new mortar is expressed by the degree of stratification (mm). The delamination degree should not be greater than 30 mm, and the main purpose of adding air entraining agent to mortar is to improve water retention.

C. The standard specimen size for measuring the compressive strength of mortar is 70.7mm×70.7mm×70.7mm, and the mortar strength grade is * * *, which includes six types: m2.5, m5, m7.5, m 10, m 15 and m20.

D the strength of cement mortar used for water absorption bottom surface mainly depends on cement strength and water cement ratio.

55, adhesives used in civil engineering don't have to have the following properties ().

A. sufficient fluidity and high bonding strength

B. Less aging, expansion and contraction

C. the hardening speed and cohesiveness are easy to adjust.

D. Good fire resistance

56, the following about expanded perlite (also known as perlite sand), () is not correct.

A. Expanded perlite is made of perlite, rosin rock or obsidian, and quickly passes through the calcination zone after being destroyed.

B the expansion ratio of the first-grade perlite ore after melting and burning is about 20 times, the second-grade perlite ore/kloc-0 ~ 20 times, and the third-grade perlite ore is less than 10 times.

The thermal conductivity of c expanded perlite is about 0.047 ~ 0.070 w/(m? ; k)； The use temperature is-200 DEG C to 200 DEG C; Low hygroscopicity

D. Expanded perlite can be used as filling material, heat insulation products together with cement, water glass, asphalt and clay, and also as sound absorption material.

57. Among the following information about door locks, () is incorrect.

A. the invention is suitable for multi-storey building rooms such as hotels and buildings. Its handle is spherical and can be divided into three types: ordinary spherical door lock, advanced spherical door lock and spherical steel door lock.

B the door top spring (buffer) is suitable for two-way door opening.

C the magnetic card lock is made of high-strength steel. The lock has the characteristics of convenient card carrying, simple operation and good safety.

D. Door positioner includes door hook, rolling door head and door system, etc.

58, the following local foundation treatment method is not correct ().

A. If it is found that the pit filling range is not large and the depth is within 3m, you can choose the in-situ soil replacement method.

B the principle of local foundation treatment is to make the treated foundation settlement more uniform.

C. When abandoned wells, dry wells or caves with small diameter and large depth are found in the foundation pit, in addition to local soil replacement method, lintels or arch rings can be set on the well to cross the well hole.

D. Rubber soil can be treated by tamping method.

59, the seismic intensity of 8 degrees of multi-storey brick wall bearing building, the following moistureproof layer should choose ().

A, dry lay a layer of linoleum on the leather brick under the indoor ground, and bond it with mastic.

B. Stick a piece of linoleum, two kinds of oils and hot asphalt on a brick under the indoor ground.

C, make 20-thick 1: 2 cement mortar at a brick under the indoor ground, and add 5% waterproof agent.

D, making two layers of emulsified asphalt, and sticking a layer of glass fiber cloth on the leather brick under the indoor ground.

60, the following statement about indoor sound insulation standards, () is not in conformity with the provisions.

A when a ceiling is used in an indoor room with quiet degree requirements, the partition wall should be built to the bottom of the floor above the ceiling.

B the sound insulation capacity of partition walls and floors of major buildings should not be less than 30 decibels.

C the weighted normalized impact sound pressure level of the floor should not be greater than 75dB.

D The allowable noise level of bedrooms in residential buildings should be: 50 decibels during the day and 40 decibels at night.

6 1, in the living room and bedroom of unheated buildings, the floor material of () should not be used from the point of view of meeting people's hygiene and comfort.

A. Cylindrical bricks, wooden floors and stones

B. Stones, wooden floors and tiles

C. Cylindrical bricks, wooden floors and brocade bricks

D. Cylindrical bricks, stones and brocade bricks

62. The staircase width of residential buildings is generally designed for two people to go up and down, and its width is ().

a. 1~ 1.2m

b. 1. 1~ 1.4m

c. 1. 1~ 1.5m

d. 1~ 1.5m

63. When the escalator crosses the floor, it is required to leave a hole in the floor, widen it locally and keep the minimum distance. Its function is ().

A. Minimum dimensions for building installation and external decoration of escalators

B. Minimum size required for maintenance

C. the size required for pedestrians to look up and down.

D the minimum safe distance to prevent pedestrians from getting stuck by arms or bags when getting on and off.

64, the following materials () can be used as a bathroom ceiling cover panel.

A. asbestos cement board

B. mineral wool decorative board

C. Moisture-proof gypsum board

D. gypsum board

65, the bottom stacks of the library should not use the following () ground.

A. terrazzo

B. Wood flooring

C. Polishing granite plate

D. plastic floor

66. The following () are not the advantages of hardwood floors.

A.it has good elasticity.

B. it has good heat storage performance.

C. Good contact feeling

D. Good water resistance

67, when the design conditions are the same, the following partition, () is suitable for high-rise buildings and the highest fire resistance.

A. 120mm thick common clay brick wall plastering on both sides.

B. 100mm thick aerated concrete block wall

C the thickness of gypsum perlite hollow batten wall is 60mm+50mm (empty) +60mm.

D light steel keel double-sided nail gypsum board, thickness 12mm.

68, the following () materials can't meet the requirements of inverted roof.

A. cement polystyrene board

B. mineral wool board

C. clay perlite sintered brick

D. Slag bulk materials

69, the various strengths of wood, which strength value is the largest ().

A. tensile strength

B. Pressure resistance

C. Bending strength

D. shear resistance

70. The ability of a material to resist damage under external force is called strength. The compressive ultimate strength of the following four commonly used materials is arranged from low to high, which group is correct ().

A. Building steel → sintered ordinary brick → ordinary concrete → granite

B. Sintering ordinary bricks → ordinary concrete → granite → building steel.

C ordinary concrete → sintered ordinary brick → building steel → granite

D ordinary concrete → granite → sintered ordinary brick → building steel.

7 1, in the production process of cement, pure materials are mixed with appropriate amount of gypsum during grinding to adjust the performance of cement ().

A. delayed solidification time

B. Accelerate the setting speed of cement

C. increase the strength of cement

D. regulating the micro-expansion of cement

72. Waterproof concrete relies on its compactness to achieve the purpose of waterproofing. In order to improve its impermeability, which of the following measures is commonly used ()?

ⅰ. aggregate grading method; Ⅱ. Inflating agent method; Ⅲ. Densifier method; ⅳ. Concentrated cement method

a.ⅰ、ⅱ、ⅲ

b.ⅰ、ⅲ、ⅳ

c.ⅰ、ⅱ、ⅳ

d.ⅱ、ⅲ、ⅳ

73, build by laying bricks or stones 1m3 brick masonry, need to use the number of sintered ordinary brick is ().

In 488

b.5 12

c.546

Article 584

74, made of colored stone slag terrazzo is mainly made of () stone broken processing.

A. Granite

B. marble

C. heavy burden

D. quartz stone

75, lime slurry is suitable for which of the following projects or parts of masonry ().

A. Rubble foundation and underground pipe trench

B. Masonry warehouse

C. Brick water tower or chimney

D. Ordinary bungalows

76, steel after cold drawing, cold drawing, cold binding and other cold working, performance will change significantly. Which of the following is incorrect ().

A. Strength improvement

B. Plastic growth

C. exercise

D. embrittlement

77. Long-term heating of wood will cause slow carbonization, dark brown color and reduced strength, so when the temperature exceeds ()℃ for a long time, it is not advisable to use wood structure.

a.30

b40

c.50

Cao 60

78. Due to the influence of wood fiber structure and annual rings, the mechanical strength of wood has a great relationship with the grain direction. In the following four situations, which pressure is the most unfavorable ().

A. tensile stress along grain

B. compressive strength along grain

C. transverse tensile strength

D. resistance to transverse compression

79, used for roofing asphalt, because of its greater sensitivity to temperature, its softening point should be higher than the highest temperature of the roof surface in this area (), in order to avoid flowing in summer.

a. 10℃

b. 15℃

20 to 25 degrees Celsius

d.30℃

80, petroleum asphalt at room temperature is not resistant to corrosion of which of the following materials ().

A. for sulfuric acid with concentration less than 50%

B is used for nitric acid with concentration less than 10%.

C. for hydrochloric acid with concentration less than 20%

D. For benzene with concentration less than 30%

8 1, which of the following glasses can insulate fire ()?

A. heat-absorbing glass

B. Armored glass

C. Heat reflective glass

D. tempered glass

82, in the building glass, which of the following glass is not suitable for occasions with heat insulation requirements ().

A. coated glass

B. insulating glass

C. tempered glass

D. foam glass

83, which of the following materials is heat preservation material ().

A. desire

B. glass wool board

C. Sintering ordinary bricks

D. gypsum board

84, widely used in refrigeration engineering, frozen equipment expansion pearl products, choose which of the following ().

A. Phosphate perlite products

B. Asphalt pearl products

C. Cement pearl products

D. water glass pearl products

85, the following four kinds of thermal insulation materials, which one is suitable for reinforced concrete roof ().

A. expanded perlite

B. rock wool

C. Aerated concrete

D. cement expanded vermiculite

86, glass fiber reinforced plastic used in hydrofluoric acid medium, which of the following reinforcement materials should be used ().

A. glass fiber fabric

B. linen

C. asbestos cloth

D. polyester cloth

87, which of the following types of reinforced concrete simply supported floor, when with the same thickness of protective layer, its fire resistance is the worst ().

A. Non-prestressed circular hole plate

B. Prestressed circular hole plate

C. Cast-in-situ reinforced concrete slab

D. Simply supported cast-in-place reinforced concrete slab on four sides

88, light steel keel gypsum board partition, is not a general decorative surface, its horizontal deformation standard should be ≤ ().

a.h0/60

b.h0/ 120

c.h0/240

d.h0/360

89. According to the slope of roof drainage, it can be divided into two categories: flat roof and sloping roof. It is generally believed that the ratio of slope height to its projection length I

a. 1:50

1: 12

1: 10

d. 1:8

90. The preferred angle of the escalator is ().

a.27.3

b30

c.32.3

Cao35

9 1, the width of the stairs depends on the number of people passing by and should not be less than two. Generally, the width of each stream of people is () m.

a.0.5+(0~0. 10)

b.0.55+(0~0. 10)

c.0.5+(0~0. 15)

d.0.55+(0~0. 15)

92, the following four parts, choose which part of the building materials is correct ().

A joints of exterior wall bricks shall be marked with cement slurry or cement mortar.

B gypsum ash caulking shall be set at the joint of glazed tile of indoor bathroom dado.

C. The pigment content of colored terrazzo floor in dining room should be 3% ~ 6% of cement weight, and acid pigment should be used.

D. dry sticky stones are used for foot binding.

93. In the multi-storey reinforced concrete frame building in the octave fortification area, when the building height is 18m, the width of seismic joint is () mm. ..

0.50 mm

70 mm

90 mm

D.110mm

94, aerated concrete block wall in which of the following parts when using unrestricted ().

Step out of the wall

B. Indoor partition (including bathroom partition)

C. Parapet coping and window sill

D. Tight foot of external wall

95, hospital X-ray (tube voltage is 150kv) treatment room protection design, which of the following floor structure is incorrect ()?

A. the thickness of cast-in-place reinforced concrete floor slab shall not be less than 150mm.

B, laying 30mm barite concrete on the common prefabricated porous hollow floor slab.

C. generally, 2.5mm lead plates are laid on the ground.

D the thickness of cast-in-place reinforced concrete floor slab shall not be less than 230mm.

96, the following about the minimum section size of bearing masonry, which statement is not appropriate ().

A. bearing independent brick column, the section size should not be less than 240mm×240mm.

B. When a 6m span girder is set on a 240mm load-bearing brick wall, a pilaster should be added at the bearing.

C the section size of rubble pillar should not be less than 400 mm× 400 mm

D the thickness of rubble wall should not be less than 350 mm

97, 7 degree seismic fortification of multi-storey masonry buildings, which of the following local dimensions do not meet the requirements of the Code for Seismic Design of Buildings ()?

A. the width of the wall between load-bearing windows is 100cm.

B the minimum distance from the end of the load-bearing external wall to the edge of the door and window opening is 100cm.

C the minimum distance from the end of the non-bearing external wall to the edge of the door and window opening is 100cm.

D the height of the anchor-free parapet is 60cm.

98, the following discussion about steps, which one is wrong ().

A step width of indoor and outdoor steps should not be less than 0.30m, and step height should not be greater than 0. 15m.

The number of indoor steps in B shall not be less than 2 levels.

C. When the total height of steps exceeds 1m, guardrail facilities shall be set up.

D. frost heaving is not considered for outdoor steps.

99, weatherproof doors and windows joints don't need to meet the requirements is ().

A. Weaken the wind

B. Change direction

C. Eliminating water seepage

D, draining the immersed rainwater by capillary action.

100, which of the following practices about building explosion-proof walls is wrong ()?

A. sintered walls made of common bricks, concrete, steel plates and other materials.

B. the explosion-proof wall can be used as a load-bearing wall.

C. the explosion-proof wall should not leave a hole through the wall.

D when opening the door on the explosion-proof wall, a self-closing fire door should be set.