|
Practically all the heating requirements can be met by ___
|
|
0
|
14
|
January 5, 2022
|
|
If the capacitor is loss-free in dielectric heating, the ___
|
|
0
|
18
|
January 5, 2022
|
|
A freshly painted layer may be dried electronically by ___
|
|
0
|
15
|
January 5, 2022
|
|
If the frequency of current in copper is increased from ___
|
|
0
|
14
|
January 5, 2022
|
|
A rod of mild steel kept inside a coil carrying high frequency ___
|
|
0
|
15
|
January 5, 2022
|
|
A metal bar is heated electronically by ___
|
|
0
|
14
|
January 5, 2022
|
|
Static VAR compensators are used to ___
|
|
0
|
17
|
January 5, 2022
|
|
In a DC transmission line ___
|
|
0
|
14
|
January 5, 2022
|
|
Bulk power transmission over long HVDC lines are ___
|
|
0
|
22
|
January 5, 2022
|
|
The use of high-speed circuit breakers ___
|
|
0
|
12
|
January 5, 2022
|
|
A SMPS operating at 20 kHz to 100 kHz range uses as ___
|
|
0
|
19
|
January 5, 2022
|
|
HVDC transmission is preferred to ___
|
|
0
|
16
|
January 5, 2022
|
|
Uninterruptible supply is ___
|
|
0
|
21
|
January 5, 2022
|
|
Which of the following types of heating process is used for surface heating of steel?
|
|
0
|
26
|
January 5, 2022
|
|
Power factor of synchronous motor can be made leading by ___
|
|
0
|
16
|
January 5, 2022
|
|
In variable voltage variable frequency control, to ___
|
|
0
|
16
|
January 5, 2022
|
|
The slip power recovery method for the speed control of ___
|
|
0
|
13
|
January 5, 2022
|
|
For controlling the speed of three-phase induction motor, the ___
|
|
0
|
17
|
January 5, 2022
|
|
Variable speed drives using stator voltage control are ___
|
|
0
|
18
|
January 5, 2022
|
|
Thyristor switching circuits are ___
|
|
0
|
21
|
January 5, 2022
|
|
In the below system, if the firing angle of the SCRs ___
|
|
0
|
11
|
January 5, 2022
|
|
For the large a.c. motor control shown below, if ___
|
|
0
|
17
|
January 5, 2022
|
|
An inverter capable of supplying a balanced three-phase variable ___
|
|
0
|
16
|
January 5, 2022
|
|
The speed and torque of induction motors can be varied by which of the following means?
|
|
0
|
12
|
January 5, 2022
|
|
Voltage induced in the rotor of the induction motor when it ___
|
|
0
|
16
|
January 5, 2022
|
|
Speed control of induction motor can be ___
|
|
0
|
11
|
January 5, 2022
|
|
A single-phase voltage controller feeds an induction motor and ___
|
|
0
|
9
|
January 5, 2022
|
|
In an a.c. motor control, the ratio of voltage to frequency is ___
|
|
0
|
16
|
January 5, 2022
|
|
The advantage of tachometer speed control method for ___
|
|
0
|
13
|
January 5, 2022
|
|
A dc chopper circuit controls the average voltage across the ___
|
|
0
|
11
|
January 5, 2022
|
