Q. In a reciprocating steam engine, which of the following forms a kinematic link?

View solution

Q. The frictional torque transmitted in a truncated conical pivot bearing, considering uniform wear, is

View solution

Q. A spring controlled governor is said to be isochronous when the controlling force

View solution

Q. In a steam engine, one method of obtaining the earlier cut-off with a simple slide valve is by increasing the angle of advance of the eccentric while the throw of the eccentric, steam lap and exhaust lap are kept constant. This method will

View solution

Q. The equation of motion for a vibrating system with viscous damping is , if the roots of the equation are complex conjugate, then the system will be critically damped.

View solution

Q. The dedendum circle diameter is equal to (where φ = Pressure angle)

View solution

Q. The ratio of the maximum displacement of the forced vibration to the deflection due to the static force, is known as

View solution

Q. The tractive force is maximum or minimum when the angle of inclination of crank with the line of stroke (θ) is equal to

View solution

Q. A point on a connecting link (excluding end points) of a double slider crank mechanism traces a

View solution

Q. The coefficient of friction is the ratio of the limiting friction to the normal reaction between the two bodies.

View solution

Q. A flywheel is fitted to the crankshaft of an engine having W as the amount of indicated work per revolution and permissible limits of coefficient of fluctuation of energy and speed as CE and CS respectively. The kinetic energy of the flywheel is given by

View solution

Q. When the connection between the elements forming a pair is such that the constrained motion is not completed by itself, but by some other means, the motion is said to be a completely constrained motion,

View solution

Q. In gears, interference takes place when

View solution

Q. The ratio of maximum fluctuation of speed to the mean speed is called

View solution

Q. Which of the following statement is correct for involute gears?

View solution

Q. Which of the following governor is used to drive a gramophone?

View solution

Q. In locomotives, the ratio of the connecting rod length to me crank radius is kept very large in order to

View solution

Q. The ball and socket joint is an example of screw pair.

View solution

Q. A friction circle is a circle drawn when a journal rotates in a bearing. Its radius depends upon the coefficient of friction and the

View solution

Q. Which of the following statement is wrong?

View solution