Q.36 A voltage V = 200 sin 314 t is applied to a single phase transformer winding in a no load test. The resulting current is found to be i= 10 sin (314t – 60 degree). The core ...
RankiQ Discuss Latest Questions
Q.40Ans 1. 1-a,2-b,3-a2. 1-a,2-b,3-b3. 1-a,2-a,3-b4. 1-b,2-b,3-bCorrect Ans Provided: 2
Q.47 In Hot-wire instruments the deflection is _________.Ans 1.2.3.4.Correct Ans Provided: 4
Q.42 _________ is present between air-preheater and induced fan in a thermal power plant .Ans 1. Super heater2. Boiler furnace3. Economizer4. Electrostatic precipitatorCorrect Ans Provided: 4
Q.71 In a clipper circuit, dc source is set to zero voltage, then the circuit acts like a _________.Ans 1. Rectifier2. Chopper3. Demodulator4. ClamperCorrect Ans Provided: 1
Q.63 Three capacitors 10 μF,20 μF,30 μF are connected in parallel across 150V(sinusoidal). Then identify the correct statement.Ans 1. Maximum voltage will be applied across 10 μF2. Maximum voltage will be applied across 20 μF3. Maximum voltage will ...
Q.61 For _______ input, _______ circuit produces _______ output.Ans 1. Step, differentiator, ramp2. Ramp, integrator, step3. Ramp, differentiator, ramp4. Step, integrator, rampCorrect Ans Provided: 4
Q.37 In a power system there are 50 buses Slack bus = 1 Generator buses = 8 Load buses = 41 By Newton- Raphson method, the size of the jacobian ...
Q.50 In poly phase AC circuits, the phase sequence RYB is same as _______.Ans 1. YRB phase sequence2. BYR phase sequence3. YBR phase sequence4. RBY phase sequenceCorrect Ans Provided: 3
Q.57 Identify the false statement:Ans 1. Speed of the DC motor can be controlled by the variation of armature voltage2. Speed of the DC motor can be controlled by the variation of angle of brush shift3. Speed of ...
