Mission 2019 Daily Quiz #1

[IAS-1995] Which of the following is the best suitable for the
application of computer printer?

[IAS-1999]

A: the generated voltage in 3-phase supply
contains harmonics.

R: the angular variation of the radial component of magnetic
flux in the air gap is not a pure sinusoidal.

[IAS-1999] For a given load, the speed of shaded pole single
phase induction motor fluctuates slightly becuase-

[GATE-2008]

A single phase induction motor of 4 poles is
rotating at with 1425rpm in clockwise direction. if the rotor resistance at standstill is 7.8 ohm, then the effective rotor resistance in the backward branch of the equivalent circuit
will be-

[ESE-2004] Which of the following statement is correct?
When a single phase induction motor is excited with single phase a.c. voltage, the magnetic field set up is equivalent to-