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Objective Questions
Engineering
Mechanical
ME Set-1
Theory of Machines
54

Theory of Machines MCQ with Answers

54) When the speed of the engine fluctuates continuously above and below the mean speed, the governor is said to be

stable

unstable

isochronous

hunt

Answer is:

hunt

Theory of Machines MCQ with Answers

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55) When two pulleys of different diameters are connected by means of an open belt, the angle of contact at the __________ pulley must be taken into consideration.

smaller

larger

both

none

Answer is:

smaller

When two pulleys of different diameters are connected by means of an open belt, the angle of contact at the __________ pulley must be taken into consideration.

56) The maximum frictional force, which comes into play, when an body just begins to slide over the surface of the other body, is known as

static friction

dynamic friction

limiting friction

coefficient of friction

Answer is:

limiting friction

Explanation:

The maximum frictional force, which comes into play, when an body just begins to slide over the surface of the other body, is known as limiting friction.

57) In a four stroke I.C. engine, the turning moment during the compression stroke is

positive throughout

negative throughout

positive during major portion of the stroke

negative during major portion of the stroke

Answer is:

negative throughout

58) A body will begin to move down an inclined plane, if the angle of inclination of the plane is __________ the angle of friction.

equal to

less than

greater than

none of these

Answer is:

greater than

Theory of Machines MCQ with Answers

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54) When the speed of the engine fluctuates continuously above and below the mean speed, the governor is said to be

hunt

Theory of Machines MCQ with Answers

Related Theory of Machines MCQ with Answers

55) When two pulleys of different diameters are connected by means of an open belt, the angle of contact at the __________ pulley must be taken into consideration.

smaller

56) The maximum frictional force, which comes into play, when an body just begins to slide over the surface of the other body, is known as

limiting friction

57) In a four stroke I.C. engine, the turning moment during the compression stroke is

negative throughout

58) A body will begin to move down an inclined plane, if the angle of inclination of the plane is __________ the angle of friction.

greater than

Theory of Machines MCQ with Answers