Related Questions

The ratio of the workdone on the blades to the energy supplied to the blades, is called
A Blading efficiency
B Nozzle efficiency
C Gross or stage efficiency
D Mechanical efficiency
The coefficient of fluctuation of speed is __________ of maximum fluctuation of speed and the mean speed.
A Sum
B Difference
C Product
D Ratio
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
A 2WCE/CS
B WCE/2CS
C WCE/CS
D WCS/2CE
The ratio of maximum fluctuation of speed to the mean speed is called
A fluctuation of energy
B maximum fluctuation of energy
C coefficient of fluctuation of speed
D none of the mentioned
The maximum fluctuation of energy is the
A difference between the maximum and minimum energies
B sum of the maximum and minimum energies
C variations of energy above and below the mean resisting torque to the
D ratio of the mean resisting torque to the workdone per cycle
The maximum fluctuation of speed is the
A difference of minimum fluctuation of speed and the mean speed
B difference of the maximum and minimum speeds
C sum of the maximum and minimum speeds
D variations of speed above and below the mean resisting torque line
Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat input because in Otto cycle
A Heat rejection is lower
B Expansion and compression are isentropic
C Combustion is at constant volume
D Maximum temperature is higher
The ratio of the work-done on the blades per kg of steam to the total energy supplied per stage per kg of steam is called
A Blading efficiency
B Nozzle efficiency
C Stage efficiency
D Mechanical efficiency
which one is not a reason of exchange rate fluctuation?
A Supply of money
B Government monetary policy
C Export -import
D Internal flow of capital
Which of the following machines has heavy fluctuation of load?
A Printing machine
B Punching machine
C Planer
D Lathe

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