MECHANICAL COMPREHENSION PICAT EXAM QUESTIONS

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MECHANICAL COMPREHENSION PICAT EXAM QUESTIONS

Actual Qs and Ans - Expert-Verified Explanation -Guaranteed passing score -15 Questions and Answers

-Format: Multiple-choice / Flashcard

Question 1: This drive pulley always turn

Answer:

Faster than pulley A or C but not pulley B

Question 2: as the crank is turned in the direction Indicated it is most likely

Answer:

moves down

Question 3: its is true that friction forces

Answer:

always oppose the forsces producing motion Question 4: A car stops suddenly. Why are the passengers thrown forward against their seat belts?

Answer:

the inertia of each passenger Question 5: the surface area of piston A is 2 square inches, while the surface area of piston b is

• inches if piston a is pushed down 6 inches how far will piston b move up

Answer:

• inches

Question 6: in the pulley system, what forces must be applied to balance the 10 pound weight

Answer:

• pounds

Question 7: at what altitude is atmosphere pressure

Answer:

sea level Question 8: a space prob is coasting through Its base at steady speed of a 1000' per second the booster rocket fires for 1/2 second so the problem Is now traveling at 5000' per 2nd what acceleration did the rocket deliver

Answer:

8000 ft per second Question 9: if 60lb of force must be applied to the valve for it to open how much force mist push rod x apply for the valve to open

Answer:

40lb Question 10: Four weights are tied together and hung from the ceiling. What will be the tension in the cord at the point labeled x?

Answer:

60 pounds

Question 11: which of the following objects has the most structural strengh

Answer:

triangle

Question 12: a definition of a vacuum is

Answer:

the absence of matter Question 13: the spring pulls the left end of the lever against the cam. as the cam makes 4 rotation how many times will the right end of the lever move up and down

Answer:

4

Question 14: what would you tell the person who is try to loosen the rusty nut with the wrench?

Answer:

move your hand father from the nut Question 15: a ball is attached to one end of a rod AB, and the other end is attached to a vertical rotating axle as shown. the joint at B contains a pin so that the ball can move up and down if the axle BC rotates faster angle X will

Answer:

decrease