Q.11 The term frequency response is defined as the magnitude and phase relationship between:Ans A. the step input and the steady-state outputB. the sinusoidal input and the steady-state outputC. the impulse input and the steady-state outputD. the ramp ...

Q.53 If the series field ampere turns in a compound wound generator are such that the rated load voltage is greater than the no-load voltage, then the generator is:Ans A. under-compoundedB. flat-compoundedC. over-compoundedD. super-compoundedCorrect Ans Provided: C

Q.34Ans A. capacitance onlyB. resistance and inductanceC. inductance onlyD. resistance and capacitanceCorrect Ans Provided: B

Q.41 Which of the following compensators is used for a type 2 or higher system?Ans A. LeadB. Lag-LeadC. LagD. Lead-LagCorrect Ans Provided: A

Q.51 A 500 V DC shunt motor runs at its normal speed of 240 rpm when the armature current is 200 A. The resistance of the armature is 0.1 ohm. Calculate the speed when the shunt field is ...

Q.64 A voltage of 100V is suddenly applied to a circuit with resistance 8 Ω and inductance 0.5H in series. So, the voltage drop across the inductance at the instance of switching on will be:Ans A. 126.4 VB. ...

Q.21 What is the stability of a system if the gain cross-over frequency is greater than the Phase cross-over frequency?Ans A. StableB. UnstableC. Marginally StableD. Marginally UnstableCorrect Ans Provided: B

Q.32 In a Hopkinson’s test on two 250 V, 100 kW generators, the circuiting current is equal to the full load current, and in addition, 225 A is taken from the supply. Calculate the efficiency of each machine.

Q.22 Which of the following statements is FALSE with respect to MOSFET output characteristics?Ans A. Drain current (ID) will decrease with increase in Gate to source (VGS).B. When forward voltage applied to the MOSFET exceeds the breakdown voltage, ...

Q.19 In a high-pass RC filter, the cut-off frequency is halved when the capacitance is:Ans A. halvedB. quadrupledC. doubledD. tripledCorrect Ans Provided: C