ASVAB Mechanical Comprehension
A belt passes over a drum and its ends are connected to springs,if the drum rotates in the
direction shown and there is friction between the drum and the belt,then?
A) spring 1 will get shorter and spring 2 longer.
B) spring 2 will get shorter and spring 1 longer.
C) both springs will get shorter
D) both springs will get longer - ANS-B) spring 2 will get shorter and spring 1 longer.
A box sits on a smooth table.Three strings are attached to the box,each having a weight of
10 lbs attached to the other end. The box will move in direction?
A) A
B) B
C) C
D) D - ANS-D) D
A series of fours gears ( W,X,Y,Z) is driven by pulley V and a belt. If V turns in the direction
shown, which gears will rotate clockwise?
A) W and X
B) W and Y
C) Y and X
D) Y and Z - ANS-B) W and Y
A spring is compressed against a wall by a wooden block that has a force applied to it.If the
force is removed from the block
A) the spring will move to the left
B) both the spring and block will not move
C) the block of wood will move to the left
D) the block of wood will move to the right - ANS-D) the block will move to the right
A spring will compress one inch for every 50 pounds of force that is applied to it.How much
force is needed to compress the same spring 10 inches?
A) 125 lbs
B) 150 lbs
C) 200 lbs
D) 500 lbs - ANS-D) 500 lbs
As part A moves to the left,gear C will turn
A) in direction 1
B) in direction 2
C) first in direction 1 and then in direction 2
D) first in direction 2 and then in direction 1 - ANS-B) in direction 2
As pistons P moves up in a direction show?
A belt passes over a drum and its ends are connected to springs,if the drum rotates in the
direction shown and there is friction between the drum and the belt,then?
A) spring 1 will get shorter and spring 2 longer.
B) spring 2 will get shorter and spring 1 longer.
C) both springs will get shorter
D) both springs will get longer - ANS-B) spring 2 will get shorter and spring 1 longer.
A box sits on a smooth table.Three strings are attached to the box,each having a weight of
10 lbs attached to the other end. The box will move in direction?
A) A
B) B
C) C
D) D - ANS-D) D
A series of fours gears ( W,X,Y,Z) is driven by pulley V and a belt. If V turns in the direction
shown, which gears will rotate clockwise?
A) W and X
B) W and Y
C) Y and X
D) Y and Z - ANS-B) W and Y
A spring is compressed against a wall by a wooden block that has a force applied to it.If the
force is removed from the block
A) the spring will move to the left
B) both the spring and block will not move
C) the block of wood will move to the left
D) the block of wood will move to the right - ANS-D) the block will move to the right
A spring will compress one inch for every 50 pounds of force that is applied to it.How much
force is needed to compress the same spring 10 inches?
A) 125 lbs
B) 150 lbs
C) 200 lbs
D) 500 lbs - ANS-D) 500 lbs
As part A moves to the left,gear C will turn
A) in direction 1
B) in direction 2
C) first in direction 1 and then in direction 2
D) first in direction 2 and then in direction 1 - ANS-B) in direction 2
As pistons P moves up in a direction show?
