Curioustab

Home » Mechanical Engineering » Theory of machines

When the crank is at the inner dead centre, in a reciprocating steam engine, then the velocity of the piston will be

minimum
zero
maximum
none of these

Correct Answer: zero

← Previous Question Next Question→

More Questions from Theory of machines

If ω/ωn = 2, where co is the frequency of excitation and ωn is the natural frequency of vibrations, then the transmissibility of vibration will the
The gear train usually employed in clocks is a
When the relation between the controlling force (Fc) and radius of rotation (r) for a spring controlled governor is Fc = ar + b, then the governor will be
The static friction
The pair is known as a higher pair, when the relative motion between the elements of a pair is
In a screw jack, the effort required to lower the load W is given by
When the connection between the two elements is such that only required kind of relative motion occurs, it is known as self-closed pair.
In a circular arc cam with roller follower, the acceleration in any position of the lift will depend only upon
The two links OA and OB are connected by a pin joint at O. If the link OA turns with angular velocity ω1 rad/s in the clockwise direction and the link OB turns with angular velocity ω2 rad/s in the clockwise direction, then the rubbing velocity at the pin joint O is (where r = Radius of the pin at O)
The frequency of damped vibrations with viscous damping is __________ the frequency of undamped vibrations.

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion