Related Questions

Multilayer helical windings are commonly used in the transformers as high voltage windings
A upto 20 kV
B upto 50 kV
C upto 80 kV
D for 110 kV and above
The insulation between windings and grounded core and the insulation between the windings of the same phase is
A minor insulation
B major insulation
C either of the above
D none of the above
Which of the following can be measured by LVDT?
A Displacement
B Velocity
C Acceleration
D All of the mentioned
The principle of operation of LVDT is based on the variation of
A Self inductance
B Mutual inductance
C Reluctance
D Permanence
LVDT is an/a ___________ transducer.
A Magneto-strict ion
B Inductive
C Resistive
D Eddy current
In a LVDT, the two secondary voltages
A Are independent of the core position
B Vary unequally depending on the core position
C Vary equally depending on the core position
D Are always in phase quadrature
The application of LVDT is
A Joint motion
B Finger movement
C Limb movement
D Heart wall motion
Working of linear variable differential transducer (LVDT) is based on the principle of variable
A Capacitance
B Resistance
C Mutual inductance
D None of these
LVDT used for displacement measurement is a/an __________ transducer.
A Passive
B Active
C Capacitive
D None of these
When the stator windings are connected in such a fashion that the number of poles are made half, the speed of the rotor of a synchronous motor
A remains same as the original value
B decreases to half the original value
C tends to becomes zero
D increases to two times the original value

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