1. Which post holds up the greater part A)Post A
of the load?
A- Post A The weight is distributed more on the side of post
B- Post B A, Therefore, it is holding up the greatest part of the
C- Both equal load.
D- Not clear
2. Which of the other gears is moving in C)Neither of the other gears
the same direction as gear 2?
A) Gear 1 Because of the way the gears are meshed, both
B) Gear 3 gear 1 and gear 3 will move in the opposite direc-
C) Neither of the other gears tion of gear 2.
D) Both of the other gears
3. In this arrangement of pulleys, which A)A
pulley turns fastest?
A) A Pulley A is the smallest gear. Therefore, it must turn
B) B faster (make more revolutions per minute).
C) C
D) D
, MECHANICAL REASONING
4. As cam A makes one complete turn in A)Once
the figure above, the setscrew will hit
the contact point The single lobe on cam A will cause the setscrew to
A) Once hit the contact point once during the cam's revolu-
B) Twice tion.
C) Three Times
D) Not At All
5. 1. When gear A makes 14 revolu- A)21
tions, how many revolutions will gear
B make? Since gear A has 15 teeth and gear B has 10 teeth,
A) 21 gear A is 1.5 the size of gear B. Therefore, 14 x 1.5
B) 17 = 21.
C) 14
D) 9
, MECHANICAL REASONING
6. If all of the following objects are B)Metal Spoon
at room temperature, which will feel
coldest? Metal will feel coldest out of paper, wood, and the
A) Book fabric of a blanket.
B) Metal Spoon
C) Wooden Chest
D) Blanket
7. In the illustration above, liquid is be- C)Air pressure on top of the liquid
ing transferred from the barrel to the
bucket by The siphon works, in part, because of air pressure
A) The vacuum at the lower end of the on the top of the liquid.
hose
B) The difference between the fluid
volumes in the barrel and bucket
C) Air pressure on top of the liquid
D) Capillary action
8. The figure above represents a pulley, C)Move downward until it reaches the floor
with practically no friction, from which
two 10pound weights are suspended Newton's Law of Motion states that a body at rest
as indicated. If a downward force is will stay at rest unless acted on by an outside force.
applied to weight 1, it is most likely Conversely, a body in motion stays in motion un-
that weight 1 will less acted on by an outside force. In this picture,
A) Come to rest at the present level of both objects are at rest (equilibrium). When an
weight 2 outside force is added to weight 1, the equilibrium