Page 373 - GMAT 2017b_Neatb

Mechanical Comprehension Test 1

BRASS 12 THREADS PER INCH

IRON
2 PART 1
6. The figure above shows a brass and an iron strip TURNBUCKLE
continuously riveted together. High temperatures
would probably 9. For the turnbuckle shown above, the number of
(A) have no effect at all complete turns of Part 1 required to make the ends of
(B) bend the strips the threaded rods meet is
(C) separate the strips (A) 6
(D) shorten the strips. (B) 18
(C) 12
(D) 24

Wheel M
Clockwise turn 10. When the 100-pound weight is being slowly hoisted

100 lbs

downward pull on the ceiling to which the pulley is
Wheel P up by the pulley, as shown in the figure above, the
attached is
(A) 50 pounds
7. Study the gear wheels in the figure above, then (B) 100 pounds
determine which of the following statements is true. (C) 150 pounds
(A) If you turn wheel M clockwise by means of the (D) 200 pounds
handle, wheel P will also turn clockwise.
(B) It will take the same time for a tooth of wheel P to DRIVER WHEEL
make a full turn as it will for a tooth of wheel M.
(C) It will take less time for a tooth of wheel P to make
a full turn than it will take a tooth of wheel M.
(D) It will take more time for a tooth of wheel P to
make a full turn than it will for a tooth of wheel M. DRIVEN WHEEL
LOAD
11. When the driver wheel in the figure above is moved
from location X to location Y, the driven wheel will
(A) reverse its direction of rotation
(B) turn slower
(C) not change its speed of rotation
(D) turn faster
A B
8. In the figure above, which upright supports the greater
part of the load? 50 LBS
(A) Upright A
(B) Upright B
(C) They support it equally
(D) It cannot be determined

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