MCQs of Turning moment diagrams and flywheel (Dynamics of Machinery - 3151911)

Showing 41 to 50 out of 74 Questions

41.

A negative loop is formed in the turning moment diagram because the pressure inside the cylinder is _______ than the atmospheric pressure.

42.

When the work is done on the gases, which of the following effect is observed on the turning moment diagram?

(a)	Formation of the negative loop
(b)	Formation of positive loop
(c)	Formation of an infinite loop
(d)	Formation of no loop

43.

When the work is by the gases, which of the following effect is observed on the turning moment diagram?

(a)	Formation of the negative loop
(b)	Formation of positive loop
(c)	Formation of an infinite loop
(d)	Formation of no loop

44.

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

(a)	positive throughout
(b)	negative throughout
(c)	positive during a major portion of the stroke
(d)	negative during a major portion of the stroke

45.

While drawing the turning moment diagram, which of the forces in not taken into account?

46.

Work done per cycle is calculated as _______.

47.

For a 4 stroke IC engine, the angle θ assumes a value equal to _______.

48.

When the flywheel absorbs energy, its speed ________.

49.

Consider a three cylinder engine, the resultant turning moment diagram is the _____ of three cylinders.

50.

For a multicylinder engine, the coefficient of fluctuation of speed would _________.

(a)	vary with the number of cylinders
(b)	remains unaffected
(c)	vary with length of connecting rod
(d)	vary with input temperature

Showing 41 to 50 out of 74 Questions