322) The tractive force is maximum or minimum when the angle of inclination of crank with the line of stroke (theta) is equal to

0 Degree and 90 Degree

90 Degree and 180 Degree

135 Degree and 315 Degree

270 Degree and 360 Degree

Answer is:

90 Degree and 180 Degree

Theory of Machines MCQ with Answers

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324) The coefficient of friction is the ratio of the limiting friction to the normal reaction between the two bodies.

Correct

Can't Say

None

Answer is:

Correct

Explanation:

The coefficient of friction is defined as the ratio of the limiting friction (F) to the normal reaction (R_N) between the two bodies.

325) Which of the following governor is used to drive a gramophone?

Watt governor

Porter governor

Pickering governor

Hartnell governor

Answer is:

Pickering governor

326) In locomotives, the ratio of the connecting rod length to me crank radius is kept very large in order to

minimise the effect of primary forces

minimise the effect of secondary forces

have perfect balancing

to start the locomotive quickly

Answer is:

minimise the effect of secondary forces

327) The ball and socket joint is an example of screw pair.

Agree

Disagree

Answer is:

Disagree

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322) The tractive force is maximum or minimum when the angle of inclination of crank with the line of stroke (theta) is equal to

90 Degree and 180 Degree

Theory of Machines MCQ with Answers

Related Theory of Machines MCQ with Answers

324) The coefficient of friction is the ratio of the limiting friction to the normal reaction between the two bodies.

Correct

325) Which of the following governor is used to drive a gramophone?

Pickering governor

326) In locomotives, the ratio of the connecting rod length to me crank radius is kept very large in order to

minimise the effect of secondary forces

327) The ball and socket joint is an example of screw pair.

Disagree

Theory of Machines MCQ with Answers