PART 9 - MECHANICAL COMPREHENSION EXAM

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PART 9 - MECHANICAL COMPREHENSION EXAM

QUESTIONS

Actual Qs and Ans - Expert-Verified Explanation -Guaranteed passing score -13 Questions and Answers

-Format: Multiple-choice / Flashcard

Question 1: Illustration is the round shape with saw

Answer:

Ratchet Question 2: A car is moving at an initial velocity of 5 m/s and then accelerates uniformly at 10 m/s. What is the car's velocity after 2 seconds?

Answer:

V=u+at

V=5+ 10*2

V= 25m/s Question 3: As shown in the illustration, how much force on the wrench is needed to apply a torque of 45 ft.-lb. to the lug bolt? 18 inches long to the F

Answer:

F= t/r F=45 ft-lb / 1.5 ft F=30 lb

Question 4: Compared to a bullet dropped from the same height, a bullet fired from a perfectly horizontal rifle

Answer:

Touches the ground later

Question 5: mechanical advantage of inclined plane

Answer:

length of incline/height of incline

10/5 =2

Question 6: How much force is needed in this balance

Answer:

8kg Question 7: When lifting a load with pulley, the effort needed to lift the load is

Answer:

The same as the load

Question 8: Wheels roll shape

Answer:

A Question 9: What will be the output speed if the input speed is 240 rpm? Ration 4:1 3:1 2:1

Answer:

240/4= 60

60/3=20

20/2=10

Final 10 rpm

Question 10: Belt move in one direction which one is counter clockwise

Answer:

All of them

Question 11: As the car moves in a circular path, the direction of CENTRIFUGAL force is directed toward

Answer:

Point d, furthest to the center of curvature Question 12: A load is attached to a beam, causing it to change shape. The value associated with x represents the beam's

Answer:

Deflection Question 13: Illustration downward force causes beam to bend. The bottom of the beam is under

Answer:

Tension