Page 382 - GMAT 2017b_Neatb

Mechanical Comprehension Test 1

150 lbs

500 lbs
10 ft

68. In the figure above, a 150-pound person jumps off a
500-pound raft to a point in the water 10 feet away.
Theoretically, the raft will move
(A) 5 feet in the same direction.
Upper
Part 4 Block (B) 10 feet in the same direction.
(C) 1 foot in the opposite direction.
(D) 3 feet in the opposite direction.
Part 1
Part 3
Part 2

Lower
Block

Load

66. Looking at the figure above, determine which part of 69. The simple machine pictured above is a form of
the rope is fastened directly to the block. (A) inclined plane.
(A) Part 1 (B) pulley.
(B) Part 3 (C) spur gear.
(C) Part 2 (D) torque.
(D) Part 4
2 3 SCALE
X BELTS
5” DIAMETER BOLT

70. The number of threads per inch on the bolt above is
Y
10” DIAMETER (A) 16
14” DIAMETER 7” DIAMETER (B) 8
67. A double belt drive is shown in the figure above. If the (C) 10
pulley marked X is revolving at 100rpm, the speed of (D) 7
pulley Y is
(A) 800 rpm. Valve
(B) 200 rpm.
(C) 400 rpm.
(D) 25 rpm. Pivot

Wheel
Projecting rods

385