Asvab Test 32 - Mechanical Comprehension

An induction clutch works by ___________. magnetism. Pneumatics. Hydraulics. Friction.

If a first class lever with a resistance arm measuring 2 feet and an effort arm measuring 8 feet are being used, what's the mechanical advantage?. 2. 4. 6. 1.

The bottoms of four boxes are shown above. The boxes all have the same volume. If postal regulations state that the sides of a box must meet a minimum height, which box is most likely to be too short to go through the mail?. NO. 4. NO. 2. NO. 1. NO. 3.

Looking at the figure above, when Cat B lands on the seesaw, Cat A will __________. remain stationary. hit the ground hard. rise in the air quickly. enter the stratosphere.

Air weighs about 15 psi. What's the amount of pressure (force) exerted on the top of your head, given a surface area of 24 inches?. 360 pounds. 625 pounds. 5ג„8 pound. 180 pounds.

The force produced when a boxer's hand hits a heavy bag and `bounces` off it is called __________. static electricity. magnetism. recoil. gravity.

In the figure above, if Gear 1 has 25 teeth and Gear 2 has 15 teeth, how many revolutions does Gear 2 make for every 10 revolutions Gear 1 makes?. about 16 /. 12. about 1ג„3 more. about 20.

A cubic foot of water weighs about 62.5 pounds. If an aquarium is 18 feet long, 10 feet deep, and 12 feet wide, what's the approximate pounds-per-square-inch pressure (psi) on the bottom of the tank?. 2 psi. 4 psi. 5 psi. 7 psi.

Springs used in machines are usually made of __________. plastic. bronze. nylon fiber. steel.

A clutch is a type of __________. universal joint. coupling. gear differential. cam follower.

When Cam A completes one revolution, the lever will touch the contact point __________. once. never. four times. twice.

A single block-and-fall is called a __________. fixed pulley. gun tackle. runner. sheave.

In the figure above, if the fulcrum supporting the lever is moved closer to the cat, the cat will be __________. easier to lift and will move higher. harder to lift but will move higher. easier to lift but will not move as high. harder to lift and will not move as high.

The mechanical advantage of the block-and-tackle arrangement shown above is __________. 2. 4. 6. 1.

In the figure above, if the cogs move up the track at the same rate of speed, Cog A will __________. reach the top at the same time as Cog B. reach the top after Cog B. reach the top before Cog B. have greater difficulty staying on track.

If a house key, a wooden spoon, a plastic hanger, and a wool jacket are all the same temperature, which one feels the coldest?. key. spoon. hanger. jacket.

In the figure above, assume the valves are all closed. To fill the tank, but to prevent it from filling entirely, which valves should be open?. 1 and 2 only. 1, 2, and 3 only. 1, 2, and 4 only. 1, 2, 3, and 5 only.

If Gear A is turned to the left __________. Gear B turns to the right and Gear C turns to the left. Gear B turns to the left and Gear C turns to the left. Gear B turns to the right and Gear C turns to the right. Gear B turns to the left and Gear C turns to the right.

If Gear 1 moves in a clockwise direction, which other gears also turn clockwise?. 3 and 5. 3, 4, and 5. 2 and 5. 3 and 4.

The pressure gauge in the figure above shows a reading of __________. 15.0. 19.5. 21.0. 23.0.

A way to determine the amount of power being used is to __________. Multiply the amount of work done by the time it takes. Multiply the distance covered by the time it takes to move a load. Divide the amount of work done by 550 pounds per second. Divide the amount of work done by the amount of time it takes.

A wood tool, a silver tool, and a steel tool are placed in boiling water for cleaning. Which tool gets the hottest?. steel. wood. silver. All three are equally hot.

A runner is being used in the figure shown. How much effort (disregard friction, wind resistance, and the weight of the pulley and the rope) is using the cat lover lifting the 50-pound crate (with cat)?. 50-pound effort. 100-pound effort. 25-pound effort. 10-pound effort.

In the figure above, at what point was the ball traveling most slowly?. A. B. C. D.

In the figure above, which angle is braced most solidly?. A. B. C. All are braced equally solidly.

A simple pulley gives a mechanical advantage of __________. 2. 3. 1. unknown.

The baskets are balanced on the arm in the figure above. If cherries are removed from Basket B, to rebalance the arm __________. The fulcrum will have to be moved to the right. Basket B will have to be moved to the right. Basket A will have to be moved to the left. Basket A will have to be moved to the right.

If both Wheel A and Wheel B revolve at the same rate in the figure above, Wheel A will cover a linear distance of 12 feet __________. faster than Wheel B. slower than Wheel B. in about the same time as Wheel B. half as quickly as Wheel B.

If a force of 200 pounds is exerted over an area of 10-square inches, what's the psi?. 10. 15. 20. 200.

In the figure above, if Cat A moves toward the middle of the seesaw to get a better look at the mouse, Cat B will __________. remain stationary. move toward the ground. rise in the air. instigate a cat fight.

If a ramp measures 6 feet in length and 3 feet in height, an object weighing 200 pounds requires how much effort to move using the ramp?. 200 pounds. 100 pounds. 50 pounds. 300 pounds.

A micrometer is used to measure ___________. small changes in temperature. changes in psi. thicknesses to a few thousandths of an inch. objects invisible to the unaided eye.

If a cat is removed from Side B of the seesaw, what happens to the cats on Side A?. The cat will never move from Side B until it's good and ready. The cats on Side A will move up in the air. The cats on Side A will move toward the ground. Nothing will happen.

The force produced when two objects rub against each other is called __________. gravity. recoil. magnetism. friction.

Normally, atmospheric pressure is approximately __________. 14.7 psi. 23.2 psi. 7.0 psi. 10.1 psi.

For Gear A and Gear B to mesh properly in the figure above __________. They must be the same size. They must turn at different rates. They must both turn in the same direction. Their teeth must be of equal size.

Torsion springs __________. produce a direct pull. exert no pull. produce a twisting action. coil but do not uncoil.

To move a 400-pound crate from the floor of a warehouse to the bed of a truck 4-feet off the ground, the most efficient device to use is a __________. lever. incline plane. fixed pulley. jackscrew.

Water in an engine can cause damage in winter weather because __________. it can vaporize. water expands when it freezes. ice is heavier than water. cold water creates more steam than warm water.

The weight of the load is being carried on the backs of the two cats shown in the figure. Which cat is carrying the most weight?. CAT A. CAT B. Both are carrying an equal amount of weight. It can't be determined without more information.

When the block-and-tackle arrangement shown in the figure above is used to lift a load, all the following parts remain stationary EXCEPT __________. the upper hook. the upper block. the lower block. none; all the parts move.

In the figure shown above, what effort E must be applied to lift the cat?. 7.0 pounds. 9.0 pounds. 21.0 pounds. 10.5 pounds.

In the figure above, for each complete revolution the cam makes, how many times will the valve open?. 1. 6. 3. 2.

In the figure above, assume the valves are all open. Which valves need to be closed for the tank to fill up completely?. 3 and 4 only. 3, 4, and 5. 2, 3, and 4. 4 only.

If Gear A turns left in the figure above, Gear B __________. won't turn. turns left. turns right. It can't be determined.

If Gear 1 makes 10 complete clockwise revolutions per minute in the figure above, then __________. Gear 2 makes 10 complete clockwise revolutions per minute. Gear 2 makes 20 complete counterclockwise revolutions per minute. Gear 2 makes 5 complete counterclockwise revolutions per minute. Gear 3 keeps Gear 2 from making any revolutions.

For the fuel to travel from Reservoir A to Reservoir B, passing through Filters C and D on the way, which valves must be open?. 1, 2, 4, and 8. 1, 2, and 3. 6, 7, and 8. 4, 6, and 7.

A yellow flame on a gas furnace indicates __________. Everything is fine. The fuel-air mixture is too rich. The fuel-air mixture is too lean. The gas pressure is too low.

If a water tank on a toilet keeps overflowing, the problem is probably a ___________. defective float. clogged pipe. crimped chain. improper seal.

In the figure shown above, the board holds the weight of the cat. The board is placed on two identical scales. Each scale reads ___________. 24. 10. 12. 40.