HRC fuses provide best protection against
A.Short circuits
B.Ligntning
C.Sparking
D.Fire
E.All of the above
Category: Energy Conversion Mcqs
Most of the generators in thermal power plants run at
A.15000 rpm
B.3000 rpm
C.1500 rpm
D.1000 rpm
E.750 rpm
Which of the following motor can operate on lagging as well as leading power factor?
A.Universal motor
B.Squirrel cage induction motor
C.Synchronous motor
D.Reluctance motor
E.Capacitor run motor
The permissible pH value of water of boilers is
A.1
B.5
C.7
D.Slightly more than 7
E.Less than 14
The function of steel wire in a ACSR conductor is
A.to take care of voltage surges
B.to prevent corona
C.to reduce inductance and hence improve power factor
D.to provide additional mechanical strength
A 66 kV transmission line carrying power to a distance of 120 kilometre will be termed as
A.Tiny transmission line
B.Very short transmission line
C.Short transmission line
D.Medium transmission line
E.Long transmission line
In any transmission line, which two generalised constants are equal?
A.A and B
B.A and C
C.B and C
D.C and D
E.A and D
One kilowatt hour is equal to
A.86,000,000 calories
B.8600,000 calories
C.860,000 calories
D.86,000 calories
E.8600 calories
Corona generally results in
A.Violet glow
B.Hissing noise
C.Production of ozone gas
D.All of the above
E.None of the above
