Related Questions

The ratio of brake power to the indicated power is known as
A Mechanical efficiency
B Overall efficiency
C Indicated thermal efficiency
D Brake thermal efficiency
The ratio of the indicated power to the shaft power or brake power of the motor or engine required to drive the compressor, is called
A Compressor efficiency
B Volumetric efficiency
C Isothermal efficiency
D Mechanical efficiency
The maximum frictional force , which comes into play , when a body just begins to slide over the surface of the surface of the other body, is known as
A static friction
B dynamic friction
C limiting friction
D all of these
The maximum frictional force, which comes into play, when a body just begins to slide over the surface of the other body, is known as
A static friction
B dynamic friction
C limiting friction
D coefficient of friction
The maximum frictional force which comes into play, when a body just begins to slide over the surface of a another body, is known
A Sliding friction
B Rolling friction
C Limiting friction
D None of these
A saddle key __________ power through frictional resistance only.
A Transmits
B Does not transmit
C Either A or B
D None of these
The frictional power (F.P.) is given by
A F.P. = B.P. - I.P.
B F.P. = I.P. - B.P.
C $${\text{F}}{\text{.P}}{\text{.}} = \frac{{{\text{B}}{\text{.P}}{\text{.}}}}{{{\text{I}}{\text{.P}}{\text{.}}}}$$
D $${\text{F}}{\text{.P}}{\text{.}} = \frac{{{\text{I}}{\text{.P}}{\text{.}}}}{{{\text{B}}{\text{.P}}{\text{.}}}}$$
The ratio of the brake power to the indicated power is called
A Mechanical efficiency
B Overall efficiency
C Indicated thermal efficiency
D Volumetric efficiency
Ratio of indicated H.P. and brake H.P. is known as
A Mechanical efficiency
B Volumetric efficiency
C Isothermal efficiency
D Adiabatic efficiency
The frictional torque transmitted in a flat pivot bearing, considering uniform wear, is (where μ = Coefficient of friction, W = Load over the bearing and R = Radius of bearing surface)
A $$\frac{1}{2}$$μWR
B $$\frac{2}{3}$$μWR
C $$\frac{3}{4}$$μWR
D μWR

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