Pak Gk Latest Tips Tricks and Guide
A. Air B. Liquid C. Vacuum D. Any of the above medium Right Answer: D. Any of the above medium
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According to the Paschen’s Law, the breakdown voltage of a uniform field gap is?
A. Directly proportional to the gas pressure and inversely proportional to the electrode gap B. Inversely proportional to the gas pressure and directly proportional to the electrode gap C. Directly proportional to the both electrode gap and gas pressure D. Inversely proportional to the both electrode gap and gas pressure Right Answer: C. Directly proportional …
Read More »Treeing phenomenon is observed in?
A. Capacitors B. Cables C. Insulators D. Only a and b Right Answer: D. Only a and b
Read More »For very small cavities, discharge inception voltage?
A. Decreases as the cavity depth increases B. Increases as the cavity depth increases C. Remains unaffected as the cavity depth increases D. None of these Right Answer: A. Decreases as the cavity depth increases
Read More »The resin bonded paper bushings are designed to operate at a maximum radial stress of?
A. 5 kV/cm B. 10 kV/cm C. 15 kV/cm D. 20 kV/cm Right Answer: D. 20 kV/cm
Read More »Resins and varnishes are commonly used in?
A. Generators and motors B. Cables C. Transformers D. Circuit breakers Right Answer: A. Generators and motors
Read More »The disadvantages of resonant transformers is?
A. Pure sine wave output B. No high power arcing C. No repeated flashovers D. Additional variable chokes Right Answer: D. Additional variable chokes
Read More »In a series RLC circuit, the wave front and wave tail times are controlled by changing the value?
A. R only B. R and L simultaneously C. R and C simultaneously D. L and C simultaneously Right Answer: B. R and L simultaneously
Read More »A Capacitance Voltage Transformer can be connected to a?
A. High impedance device B. Low impedance device C. Relay coil D. Only b and c Right Answer: D. Only b and c
Read More »The series capacitor peak voltmeter is suitable for?
A. Positive half cycle B. Negative half cycle C. Sinusoidal waveform D. All of these Right Answer: D. All of these
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