24 iron cones,
The number of cylinders that can be cast to the same height as the iron cone is ().
A.
12
B.
eight
C.
36
D.
seventy-two
Core test center:
Solid volume
2.
The radius and height of the bottom surface of the cylinder are tripled,
The multiple of its volume expansion is ().
A.
three
B.
six
C.
nine
D.
27
Core test center:
Solid volume
3.
Compare the volumes of cylinders, cubes and cuboids with equal bottoms and heights ().
A.
Cubes are huge.
B.
A cuboid has a large volume.
C.
The cylinder is huge.
D.
As big as ...
Core test center:
Solid volume
4.
Cylinders and cones with equal bottoms and equal heights,
Where the volume of the cone is 126 cubic centimeters,
The sum of the volumes of these two forms is (
) cubic centimeters.
A.
252
B.
378
C.
504
D.
630
Core test center:
Solid volume
5.
A conical sand pile,
The perimeter of the bottom surface is 3 1.4m,
3 meters high,
The weight of sand per cubic meter is 1.8 tons.
A car with a load of 4.5 tons can be shipped () times.
A.
3 1
B.
32
C.
94
D.
95
Core test center:
Solid volume