A cam with a roller follower would constitute following type of pair

Question

A cam with a roller follower would constitute following type of pair

A. Lower pair

B. Higher pair

C. Open pair

D. Close pair

Share this question with your friends

Show all Theory of Machines MCQ

Comment

Which of the following is used to control the speed variations of the engine caused by the fluctuations of the engine turning moment?

A. D-slide valve

B. Governor

C. Flywheel

D. Meyer's expansion valve

Discuss this answer

The flank of the tooth is the surface of the tooth __________ the pitch surface.

A. Above

B. Below

C. At

D. None of these

Discuss this answer

If ω/ω_n is very high for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach

A. 0°

B. 90°

C. 180°

D. 360°

Discuss this answer

For S.H.M. cam, the acceleration of the follower at the ends of the stroke and aimed stroke respectively, is

A. Maximum and zero

B. Zero and maximum

C. Minimum and maximum

D. Zero and minimum

Discuss this answer

The secondary unbalanced force is maximum __________ in one revolution of the crank.

A. Two times

B. Four times

C. Eight times

D. Sixteen times

Discuss this answer

In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line of stroke PO and rotates with uniform angular velocity at ω rad/s. The Klien's acceleration diagram for determining the acceleration of the piston P is shown by quadrilateral CQNO, if N coincides with O, then

A. Acceleration and velocity of the piston P is zero

B. Acceleration and velocity of the piston P is maximum

C. Acceleration of the piston P is zero and its velocity is maximum

D. Acceleration of the piston P is maximum and its velocity is zero

Discuss this answer

A disturbing mass m₁ attached to the rotating shaft may be balanced by a single mass m₂ attached in the same plane of rotation as that of m₁, such that (where r₁ and r₂ are the radii of rotation of m₁ and m₂ respectively)

A. m₁r₂ = m₂r₁

B. m₁r₁ = m₂r₂

C. m₁m₂ = r₁r₂

D. None of these

Discuss this answer

The balancing of a rigid rotor can be achieved by appropriately placing balancing masses in

A. A single plane

B. Two planes

C. Three planes

D. Four planes

Discuss this answer

The Hooke's joint consists of:

A. Two forks

B. One fork

C. Three forks

D. Four forks

Discuss this answer

A watt's governor can work satisfactorily at speeds from

A. 60 to 80 r.p.m.

B. 80 to 100 r.p.m.

C. 100 to 200 r.p.m.

D. 200 to 300 r.p.m.

Discuss this answer

Which of the following mechanism is obtained from lower pair?

A. Gyroscope

B. Pantograph

C. Valve and valve gears

D. All of the above

Discuss this answer

The maximum efficiency of a screw jack is

A. (1 - sinφ)/(1 + sinφ)

B. (1 + sinφ)/(1 - sinφ)

C. (1 - tanφ)/(1 + tanφ)

D. (1 + tanφ)/(1 - tanφ)

Discuss this answer

The critical speed of a shaft with a disc supported in between is equal to the natural frequency of the system in

A. Transverse vibrations

B. Torsional vibrations

C. Longitudinal vibrations

D. All of these

Discuss this answer

Which of the following is a higher pair?

A. Belt and pulley

B. Turning pair

C. Screw pair

D. Sliding pair

Discuss this answer

________ is an inversion of Double slider crank chain.

A. Coupling rod of a locomotive

B. Scotch yoke mechanism

C. Hand pump

D. Reciprocating engine

Discuss this answer

The included angle for the V-belt is usually

A. 10° to 20°

B. 20° to 30°

C. 30° to 40°

D. 60° to 80°

Discuss this answer

The stress induced in a body will be shear stress, when it is subjected to

A. Longitudinal vibrations

B. Transverse vibrations

C. Torsional vibrations

D. None of these

Discuss this answer

The gear train usually employed in clocks is a

A. Simple gear train

B. Reverted gear train

C. Sun and planet gear

D. Differential gear

Discuss this answer

The pitching of a ship produces forces on the bearings which act __________ to the motion of the ship.

A. Vertically and parallel

B. Vertically and perpendicular

C. Horizontally and parallel

D. Horizontally and perpendicular

Discuss this answer

The ratio of the driving tensions for V-belts is __________ times that of flat belts. (Where β = Semi-angle of the groove)

A. sinβ

B. cosβ

C. cosecβ

D. secβ

Discuss this answer

The number of centers in a crank driven slider crank mechanism is

A. 0

B. 2

C. 4

D. 6

Discuss this answer

Crowning on pulleys helps

A. In increasing velocity ratio

B. In decreasing the slip of the belt

C. For automatic adjustment of belt position so that belt runs centrally

D. Increase belt and pulley life

Discuss this answer

A Hartnell governor is a

A. Dead weight governor

B. Pendulum type governor

C. Spring loaded governor

D. Inertia governor

Discuss this answer

In a Hartnell governor, the stiffness of the spring is given by (where S1 and S2 = Spring forces exerted on the sleeve at max. and min. radii of rotation, and h = Compression of the spring)

A. (S₁ + S₂)/h

B. (S₁ - S₂)/h

C. (S₁ + S₂)/2h

D. (S₁ - S₂)/2h

Discuss this answer

If the radius of gyration of a compound pendulum about an axis through e.g. is more, then its frequency of oscillation will be

A. Less

B. More

C. Same

D. Data are insufficient to determine same

Discuss this answer

When two pulleys are connected by means of a cross belt drive, then both the pulleys will rotate in __________ directions.

A. Same

B. Opposite

C. Perpendicular

D. None of these

Discuss this answer

The load cup of a screw jack is made separate from the head of the spindle to

A. Enhance the load carrying capacity of the jack

B. Reduce the effort needed for lifting the working load

C. Reduce the value of frictional torque required to be countered for lifting the load

D. Prevent the rotation of load being lifted

Discuss this answer

When there is a reduction in amplitude over every cycle of vibration, then the body is said to have

A. Free vibration

B. Forced vibration

C. Damped vibration

D. Under damped vibration

Discuss this answer

The D-slide valve is also known as

A. Inside admission valve

B. Outside admission valve

C. Piston slide valve

D. None of these

Discuss this answer

In S.H.M., the velocity vector w.r.t. displacement vector

A. Leads by 90°

B. Lags by 90°

C. Leads by 180°

D. Are in phase

Discuss this answer

Accepted Answer

B. Higher pair

A cam with a roller follower would constitute following type of pair

Correct Answer :

Show all Theory of Machines MCQ

Related Questions

Which of the following is used to control the speed variations of the engine caused by the fluctuations of the engine turning moment?

The flank of the tooth is the surface of the tooth __________ the pitch surface.

If ω/ω_n is very high for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach

For S.H.M. cam, the acceleration of the follower at the ends of the stroke and aimed stroke respectively, is

The secondary unbalanced force is maximum __________ in one revolution of the crank.

A disturbing mass m₁ attached to the rotating shaft may be balanced by a single mass m₂ attached in the same plane of rotation as that of m₁, such that (where r₁ and r₂ are the radii of rotation of m₁ and m₂ respectively)

The balancing of a rigid rotor can be achieved by appropriately placing balancing masses in

The Hooke's joint consists of:

A watt's governor can work satisfactorily at speeds from

Which of the following mechanism is obtained from lower pair?

The maximum efficiency of a screw jack is

The critical speed of a shaft with a disc supported in between is equal to the natural frequency of the system in

Which of the following is a higher pair?

________ is an inversion of Double slider crank chain.

The included angle for the V-belt is usually

The stress induced in a body will be shear stress, when it is subjected to

The gear train usually employed in clocks is a

The pitching of a ship produces forces on the bearings which act __________ to the motion of the ship.

The ratio of the driving tensions for V-belts is __________ times that of flat belts. (Where β = Semi-angle of the groove)

The number of centers in a crank driven slider crank mechanism is

Crowning on pulleys helps

A Hartnell governor is a

In a Hartnell governor, the stiffness of the spring is given by (where S1 and S2 = Spring forces exerted on the sleeve at max. and min. radii of rotation, and h = Compression of the spring)

If the radius of gyration of a compound pendulum about an axis through e.g. is more, then its frequency of oscillation will be

When two pulleys are connected by means of a cross belt drive, then both the pulleys will rotate in __________ directions.

The load cup of a screw jack is made separate from the head of the spindle to

When there is a reduction in amplitude over every cycle of vibration, then the body is said to have

The D-slide valve is also known as

In S.H.M., the velocity vector w.r.t. displacement vector

Also checkout

A cam with a roller follower would constitute following type of pair

Correct Answer :

Show all Theory of Machines MCQ

Related Questions

Which of the following is used to control the speed variations of the engine caused by the fluctuations of the engine turning moment?

The flank of the tooth is the surface of the tooth __________ the pitch surface.

If ω/ωn is very high for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach

For S.H.M. cam, the acceleration of the follower at the ends of the stroke and aimed stroke respectively, is

The secondary unbalanced force is maximum __________ in one revolution of the crank.

A disturbing mass m₁ attached to the rotating shaft may be balanced by a single mass m₂ attached in the same plane of rotation as that of m₁, such that (where r₁ and r₂ are the radii of rotation of m₁ and m₂ respectively)

The balancing of a rigid rotor can be achieved by appropriately placing balancing masses in

The Hooke's joint consists of:

A watt's governor can work satisfactorily at speeds from

Which of the following mechanism is obtained from lower pair?

The maximum efficiency of a screw jack is

The critical speed of a shaft with a disc supported in between is equal to the natural frequency of the system in

Which of the following is a higher pair?

________ is an inversion of Double slider crank chain.

The included angle for the V-belt is usually

The stress induced in a body will be shear stress, when it is subjected to

The gear train usually employed in clocks is a

The pitching of a ship produces forces on the bearings which act __________ to the motion of the ship.

The ratio of the driving tensions for V-belts is __________ times that of flat belts. (Where β = Semi-angle of the groove)

The number of centers in a crank driven slider crank mechanism is

Crowning on pulleys helps

A Hartnell governor is a

In a Hartnell governor, the stiffness of the spring is given by (where S1 and S2 = Spring forces exerted on the sleeve at max. and min. radii of rotation, and h = Compression of the spring)

If the radius of gyration of a compound pendulum about an axis through e.g. is more, then its frequency of oscillation will be

When two pulleys are connected by means of a cross belt drive, then both the pulleys will rotate in __________ directions.

The load cup of a screw jack is made separate from the head of the spindle to

When there is a reduction in amplitude over every cycle of vibration, then the body is said to have

The D-slide valve is also known as

In S.H.M., the velocity vector w.r.t. displacement vector

Also checkout

If ω/ω_n is very high for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach