Page 408 - GMAT 2017b_Neatb

Mechanical Comprehension Test 2

147. A 600-pound block is being pulled up a 15-foot
incline. Neglecting friction, if 200 pounds of force is
necessary to move the block up the incline, how tall is
the incline?
1 2
(A) 4 feet
(B) 10 feet
(C) 5 feet
(D) 15 feet

C
4 3 15 feet 5 feet

90 pounds
144. If gear 4 turns clockwise, which other gear(s) will also
turn counterclockwise?
(A) 1 only
(B) 2 only
(C) 3 only 148. In the diagram, Paul wants to lift a 90-pound block
(D) 1 and 3 using a lever. If the block is 20 feet from the pivot point
and Paul is feet from the pivot point, how much force
must he apply to lift the block?
(A) 120 pounds
A (B) 450 pounds
B (C) 20 pounds
(D) 90 pounds
145. Two cylindrical pipes are used to drain a tank. Pipe A
has a diameter of 2 inches and pipe B has a diameter of 6 149. A helium balloon is released from the ground and
inches. If there is equal water pressure inside the tank, quickly rises 2,000 feet. What will happen to the
how much more water will flow out of pipe B than pipe balloon?
A? (A) The balloon will become heavier.
(A) The same amount will flow out of both pipes. (B) The balloon will become lighter.
(B) Three times more will flow out of pipe B. (C) The size of the balloon will increase.
(C) Six times more will flow out of pipe B. (D) The size of the balloon will decrease.
(D) Nine times more will flow out of pipe B.

146. Steve goes on a run at 8 mph and travels 14 miles. How
long did Steve run?
(A) 1 hour 15 minutes
(B) 1 hour 30 minutes A B
(C) 1 hour 45 minutes
(D) 2 hours

15 feet 150. Pulley A has 1.5 times the circumference of pulley B.
If pulley A rotates counterclockwise at 30 revolutions
per minute (rpm), how fast and in what direction will
pulley B rotate?
(A) 30 rpm clockwise
200 pounds
(B) 30 rpm counterclockwise
x feet (C) 45 rpm clockwise
600 pounds
(D) 45 rpm counterclockwise

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