Q. The mechanism consisting of three turning pairs and one sliding pair, is called a

View solution

Q. A mechanism __________ for transmitting or transforming motion.

View solution

Q. The distance moved by the valve from one end to the other end is called valve travel.

View solution

Q. The Klein's method of construction for reciprocating engine mechanism

View solution

Q. A Watt's governor is a spring loaded governor.

View solution

Q. The velocity of the rubbing surface __________ with the distance from the axis of the bearing.

View solution

Q. A system of masses rotating in different parallel planes is in dynamic balance if the

View solution

Q. The radial distance from the top of a tooth to the bottom of a tooth in a meshing gear, is called

View solution

Q. A simple spring-mass vibrating system has a natural frequency of fn. If the spring stiffness is halved and the mass is doubled, then the natural frequency will become

View solution

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

View solution

Q. 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)

View solution

Q. The relation between the controlling force (Fc) and radius of rotation (r) for a stable spring controlled governor is

View solution

Q. A rotary internal combustion engine has __________ cylinders.

View solution

Q. The power transmitted by a belt is maximum when the maximum tension in the belt is __________ of centrifugal tension.

View solution

Q. A slider moves at a velocity v on a link revolving at ω rad/s. The coriolis component of acceleration is

View solution

Q. The effort of a Porter governor is equal to (where c = Percentage increase in speed, m = Mass of ball, and M = Mass on the sleeve)

View solution

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