Basic-Mechanical-Engineering-Mcq-Tests.pdf

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Basic Mechanical Engineering MCQ PDF Part 3
1) Which of the following is a power transmitting element?

a. Nuts and bolts

b. Sprockets and chains

c. Axles

d. All of the above

ANSWER: Sprockets and chains

2) Machine elements such as bearings are _________

a. holding type elements

b. supporting type elements

c. power transmitting elements

d. all of the above

ANSWER: supporting type elements

3) The shaft directly connected to the power source is called as ______

a. line shaft

b. counter shaft

c. both a. and b.

d. none of the above

ANSWER: line shaft

4) Which of the following is a machine shaft?

a. Line shaft

b. Counter shaft

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c. Crankshaft

d. All of the above

ANSWER: Crankshaft

5) Which of the following statements is/are true?

a. Axles are used to transmit power

b. Shafts and axles are rotating elements

c. Shafts transmit power while axles do not transmit power

d. All of the above

ANSWER: Shafts transmit power while axles do not transmit power

6) Which flat belt drive system has two pulleys mounted on driven shaft and one pulley on
driving shaft?

a. Multiple belt drive

b. Cone pulley drive

c. Fast and loose pulley drive

d. None of the above

ANSWER: Fast and loose pulley drive

7) Which of the following statements are false for belt drives?
1. Belt drive is used in applications having constant speed drive
2. Belt drives can be used at extremely high speeds
3. Belt drives have low power transmitting capacity
4. Belt drives need continuous lubrication

a. 1 and 2

b. 1, 2 and 3

c. 2, 3 and 4

d. 1, 2 and 4