ASVAB MECHANICAL COMPREHENSION 2 EXAM

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ASVAB MECHANICAL COMPREHENSION #2 EXAM

QUESTIONS

Qs and Ans - Expert- Explanation - ing score -9 Questions and Answers

-Format: Multiple-choice / Flashcard

Question 1: The micrometer above reads...

• 0.2270
• 0.2120
• 0.2252
• 0.2020

Answer:

When a load is hoisted by means of the tackle shown above, the part that remains stationary is the...

• load.

• lower block.

• lower hook.

• upper block.

Question 2: When the tuning fork shown above is struck, the ping-pong ball will...

• remain stationary.
• bounce up and down.
• hit the tuning fork.
• swing away from the tuning fork.

Answer:

The print in the figure above looked at through the film of water will...

• be too blurred to read.

• look the same as the surrounding print.

• be enlarged.

• appear smaller.

Question 3: The figure above shows a cam and a valve. For each cam revolution, the vertical valve rise equals distance...

• Y.
• X.
• X plus Y.
• twice X.

Answer:

If all valves are closed at the start, in order to have air pressure from the tank move the pistons to the right, the valves to be opened are...

• 2 and

4.

• 2,3, and

4.

• 1 and

2.

• 1,3, and 4.

Question 4: The figure above shows a crank and piston. The piston moves from mid-position to the extreme right if the crank makes...

• a ½ turn.
• a ¾ turn.
• 1 turn.
• 1 ½ turn.

Answer:

Which hydraulic press requires the LEAST force to lift the weight?

• A

• B

• C

• All three require the same force.

Question 5: In the structural steel splice above, the different types of rivets are shown by different symbols. The number of different types of rivets is...

• 6
• 4
• 5
• 3

Answer:

The above illustration shows a worm and gear. If the worm rotates slowly on its shaft, the gear will...

• turn rapidly.

• not turn.

• turn very slowly.

• oscillate.

Question 6: The automatic operation of a sump pump is controlled by the...

• pneumatic switch.
• float.
• foot valve.
• centrifugal driving unit.

Answer:

The figure above shows a governor on a rotating shaft. As the shaft speeds up, the governor balls will move...

• down.

• upward and inward.

• upward.

• inward.

Question 7: The try-cocks of steam boilers are used to...

• act as safety valves.
• empty the boiler of water.
• test steam pressure in the boiler.
• find the height of water in the boiler.

Answer:

In the case of the standard flanged pipe shown above, the maximum angle through which it would be necessary to rotate the pipe in order to line up the holes is...

• 22.5°

• 45°

• 30°

• 60°