When a particle moves round the circumference of a circle of radius r with ? rad/s, then its maximum acceleration is ?2r.

33) When a particle moves round the circumference of a circle of radius r with ? rad/s, then its maximum acceleration is ?²r.

Answer is:

Right

Theory of Machines MCQ with Answers

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34) The static friction

Answer is:

all of the above

Explanation:

The static friction
* bears a constant ratio to the normal reaction between the two surfaces
* is independent of the area of contact, between the two surfaces
* always acts in a direction, opposite to that in which the body tends to move

35) A shaft has an attached disc at the centre of its length. The disc has its centre of gravity located at a distance of 2 mm from the axis of the shaft. When the shaft is allowed to vibrate in its natural bow-shaped mode, it has a frequency of vibration of 1

Answer is:

2.22 mm

36) The swaying couple is maximum or minimum when the angle of inclination of the crank to the line of stroke (?) is equal to

Answer is:

45 Degree and 225 Degree

37) The pressure angle of a cam is the angle between the direction of the follower motion and a normal to the

Answer is:

pitch curve

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33) When a particle moves round the circumference of a circle of radius r with ? rad/s, then its maximum acceleration is ?2r.

Right

Theory of Machines MCQ with Answers

Related Theory of Machines MCQ with Answers

34) The static friction

all of the above

35) A shaft has an attached disc at the centre of its length. The disc has its centre of gravity located at a distance of 2 mm from the axis of the shaft. When the shaft is allowed to vibrate in its natural bow-shaped mode, it has a frequency of vibration of 1

2.22 mm

36) The swaying couple is maximum or minimum when the angle of inclination of the crank to the line of stroke (?) is equal to

45 Degree and 225 Degree

37) The pressure angle of a cam is the angle between the direction of the follower motion and a normal to the

pitch curve

Theory of Machines MCQ with Answers

33) When a particle moves round the circumference of a circle of radius r with ? rad/s, then its maximum acceleration is ?²r.