Q.79 In an oil circuit breaker, due to heat the oil decomposes and the gases are liberated. Which of the following gas is usually NOT liberated in this process?Ans 1. Hydrogen2. Ammonia3. Acetylene4. MethaneCorrect Ans Provided: 2

Q.72Ans 1. 28 Ω2. 4 Ω3. 16 Ω4. 12 ΩCorrect Ans Provided: 1

Q.77 Which of the following device does not belong to thyristor family?Ans 1. UJT2. SITH3. GTO4. RCTCorrect Ans Provided: 1

Q.74 Which of the following operation of the discrete time system is NOT memoryless?Ans 1. Unit delay2. Constant multiplier3. Signal multiplier4. AdderCorrect Ans Provided: 1

Q.81Ans 1.2.3.4.Correct Ans Provided: 1

Q.71Ans 1. CD2. D3. C4. BCorrect Ans Provided: 4

Q.80 For series connected SCRs, static equalization is obtained with the help of _____________.Ans 1. Resistors, capacitors and diodes2. Resistors and capacitors3. Capacitors only4. Resistors onlyCorrect Ans Provided: 4

Q.60 Which of the following equation is sometimes referred to as the Ohm’s law of magnetic circuit?Ans 1.2.3.4.Correct Ans Provided: 3

Q.83 Identify the non-renewable source of energy among the given option.Ans 1. Nuclear energy2. Geothermal energy3. Biomass energy4. Solar energyCorrect Ans Provided: 1

Q.76 A single phase half bridge inverter has a supply voltage of 100 V dc and a resistive load of 4 Ω. What will be the RMS output voltage?Ans 1. 90 V2. 70.71 V3. 45 V4. 50 VCorrect ...