Related Questions

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
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 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
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 ratio of maximum fluctuation of energy to the work-done per cycle is called
A Fluctuation of energy
B Maximum fluctuation of energy
C Coefficient of fluctuation of energy
D None of these
In 2007, the arithmetic mean of the annual incomes of Rahim and Karim was Taka 3800 . The arithmetic mean of the annual incomes of Karim and Ripon was Ripon and Rahim was TaKa5800. What is the arithmetic mean of the incomes of the three ?
A 3200
B 1200
C 2400
D 4800
The mean of the 5 smallest numbers from a group is 15 while the mean of all the 13 members of the group taken together is 17. What is the mean of the 8 largest numbers?
A 18.50
B 17.75
C 18.75
D 18.25
The value of coefficient of discharge is __________ the value of coefficient of velocity.
A Less than
B Same as
C More than
D None of these
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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