Test: Theory of Machines - 2 - Mechanical Engineering MCQ

Which of the following method cannot be used for preventing interference.

The first governor to be invented was.

If speed of a watt governor changes from 20rpm to 15 rpm, the sleeve movement will be approximately

The sensitivity of an isochronous governor is

A hartnell governor having equal arms is acted upon by centrifugal force of 500N and 250 N at radius of 10 cm and 5 cm respectively. The stiffness of the spring used in governor in N/cm is

 If with increase in speed radius of governor increases and with decrease in speed radius decreases the governor in said to be.

For a spring controlled governor the equation of a stable governor is .

Turning moment diagram has the following parameter on the x - axis.

If area under Turning moment diagram for a 4 stroke engine is 1000 cm2. Then the mean torque is.

If maximum speed is 210 rpm and minimum speed is 190 rpm then coefficient of fluctuation of speed is

For a 4 stroke engine as compared to 2 stroke the size of flywheel will be

If a flywheel has a pheripheral velocity of 50 m/ s and a density of 1000 kg/m3 50 m/s and a density of 1000 kg/m3 Then the stress generated at the rim is.

In which of the following a flywheel is  generally employed.

In case of a flywheel the maximum fluctuation of energy is

The minimum radius circle which touches the pitch curve in a cam profile is

During dwell the follower motion is

Which of the following follower has least wear and tear.

In a pantograph the number of links is

Which of the following follows fundamental law of gearing in all positions.

A governor spindle is connected to engine shaft using

Coupling rod of locomotive is an example of

In can terminology angle between line of actionand line of motion of following is known as.