In an induction type energy meter, everything else remaining same, if the radial distance of the brake magnet poles form the spindle is decreased by 10%, the rotational speed of the disc will approximately

In an induction type energy meter, everything else remaining same, if

1.	In an induction type energy meter, everything else remaining same, if the radial distance of the brake magnet poles form the spindle is decreased by 10%, the rotational speed of the disc will approximately
A.	Increase by 23.5%
B.	Decrease by 10.6%
C.	Decrease by 19.4%
D.	Increase by 11%
Answer» E.

Discussion

No Comment Found

Related MCQs

Directions: It consists of two statements, one labeled as the 'Statement (I)' and the other as 'Statement (II)'. Examine these two statements carefully and select the answer using the codes given below:Statement (I): For an energy meter, careful design and treatment of breaking magnet during its manufacture are essential in order to ensure consistency of break magnet during the use of the meter.Statement (II): Steady rotational speed of energy meter disc is directly proportional to flux of the break magnet.
Electrolytic meter is basically a/an:
In an induction type energy - meter, ‘creeping’ takes place due to
For controlling the vibration of the disc of ac energy meter, damping torque is produced by
An energy meter makes 100 revolutions of its disc per unit of energy. The number of revolutions made by the disc during one-hour when connected across 210 V source and drawing a current of 20 A at 0.8 pf leading is
An energy meter has constant of 300 revolutions per unit, it makes 10 revolutions in 30 seconds when it is used for energy measurement. Find the connected load in kW
One single phase wattmeter operating on 230 V and 5 A for 5 hours makes 1940 revolutions. Meter constant in revolution is 400. The power factor of the load will be:
Disc in an induction type energy meter rotates in the opposite direction when
An energy meter with a constant of 600 revolutions per unit used for energy measurement. It makes 500 revolutions in 30 seconds. Find the energy consumed by the load for an hour.
In an induction type energy meter, everything else remaining same, if the radial distance of the brake magnet poles form the spindle is decreased by 10%, the rotational speed of the disc will approximately

In an induction type energy meter, everything else remaining same, if the radial distance of the brake magnet poles form the spindle is decreased by 10%, the rotational speed of the disc will approximately

Discussion

No Comment Found

Related MCQs

Reply to Comment