A machine mounted on a single coil spring has a period of free vibration of tp . If the spring is cut into four equal parts and placed in parallel and the machine is mounted on them, then the period of free vibration of the new system will become

Theory of Machine
A machine mounted on a single coil spring has a period of free vibration of tp . If the spring is cut into four equal parts and placed in parallel and the machine is mounted on them, then the period of free vibration of the new system will become

16 tp

4 tp

tp /4

tp /16

16 tp

4 tp

tp /4

tp /16

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
A disc is a spinning with an angular velocity ω rad/s about the axis of spin. The couple applied to the disc causing precession will be (where I = Mass moment of inertia of the disc, and ωP = Angular velocity of precession of the axis of spin)

(1/2). I ω ωP

Iω²

I ω ωP

(1/2).Iω²

(1/2). I ω ωP

Iω²

I ω ωP

(1/2).Iω²

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
In a gear having involute teeth, the normal to the involute is a tangent to the

Base circle

Pitch circle

Dedendum circle

Addendum circle

Base circle

Pitch circle

Dedendum circle

Addendum circle

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
The equation of motion for a vibrating system with viscous damping is (d²x/dt²) + (c/m).(dx/dt) + (s/m).x = 0, if the roots of the equation are __________ then the system will be under damped.

Complex conjugate

Real

Equal

None of these

Complex conjugate

Real

Equal

None of these

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
Which of the following is a spring controlled governor?

Hartung governor

Hartnell governor

Wilson-Hartnell governor

All of these

Hartung governor

Hartnell governor

Wilson-Hartnell governor

All of these

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
In a steam engine, the earlier cut-off with a simple slide valve may be obtained by increasing the steam lap and the angle of advance of the eccentric but keeping constant the travel and lead of the valve, this method will

Cause withdrawing or throttling of steam

All of the listed here

Reduce maximum opening of port to steam

Reduce length of effective stroke of piston

Cause withdrawing or throttling of steam

All of the listed here

Reduce maximum opening of port to steam

Reduce length of effective stroke of piston

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine

Theory of Machine A machine mounted on a single coil spring has a period of free vibration of tp . If the spring is cut into four equal parts and placed in parallel and the machine is mounted on them, then the period of free vibration of the new system will become

Theory of Machine A disc is a spinning with an angular velocity ω rad/s about the axis of spin. The couple applied to the disc causing precession will be (where I = Mass moment of inertia of the disc, and ωP = Angular velocity of precession of the axis of spin)

Theory of Machine In a gear having involute teeth, the normal to the involute is a tangent to the

Theory of Machine The equation of motion for a vibrating system with viscous damping is (d²x/dt²) + (c/m).(dx/dt) + (s/m).x = 0, if the roots of the equation are __________ then the system will be under damped.

Theory of Machine Which of the following is a spring controlled governor?

Theory of Machine In a steam engine, the earlier cut-off with a simple slide valve may be obtained by increasing the steam lap and the angle of advance of the eccentric but keeping constant the travel and lead of the valve, this method will

Theory of Machine
A machine mounted on a single coil spring has a period of free vibration of tp . If the spring is cut into four equal parts and placed in parallel and the machine is mounted on them, then the period of free vibration of the new system will become

Theory of Machine
A disc is a spinning with an angular velocity ω rad/s about the axis of spin. The couple applied to the disc causing precession will be (where I = Mass moment of inertia of the disc, and ωP = Angular velocity of precession of the axis of spin)

Theory of Machine
In a gear having involute teeth, the normal to the involute is a tangent to the

Theory of Machine
The equation of motion for a vibrating system with viscous damping is (d²x/dt²) + (c/m).(dx/dt) + (s/m).x = 0, if the roots of the equation are __________ then the system will be under damped.

Theory of Machine
Which of the following is a spring controlled governor?

Theory of Machine
In a steam engine, the earlier cut-off with a simple slide valve may be obtained by increasing the steam lap and the angle of advance of the eccentric but keeping constant the travel and lead of the valve, this method will