Q.54 Which of the following is NOT present in an auto transformer?Ans 1. Low voltage regulation2. Low efficiency3. High power rating4. Conductive isolation between primary and secondaryCorrect Ans: 4

Q.30 What is a head in a micro hydro power plant?Ans 1. The head is the vertical distance that water falls.2. The head is the vertical distance that water raises.3. The head is the horizontal distance that water ...

Q.16 The adjustment made with the magnetic shunt in three-phase, two-element energy meter for the rotation of aluminum disc to be zero is ___________.Ans 1. two torques would be equal2. one torque would be greater than other3. two ...

Q.2 Which of the following statements is/are true?a) Feeders are designed from the point of view of its current carrying capacity.b) Distributors are designed on the basis of voltage drop in it.c) Voltage variation at ...

Q.29 A squirrel cage induction motor requires ________ maintenance as compared to a slip ring induction motor.Ans 1. significantly high2. slightly low3. significantly low4. slightly highCorrect Ans: 3

Q.8 The admittance of a circuit is 0.03−j0.04 siemen. What is the value of impedance?Ans 1. Z=12+j16 Ω2. Z=10.12+J11 Ω3. Z=13.12+J12 Ω4. Z=8+j8 ΩCorrect Ans: 1

Q.41 According to IS (Indian Standard) Specification 1180-1964 for outdoor type distribution transformer, the conservator is provided on transformer rating __________.Ans 1. below 10 kVA2. below 5 kVA3. 50 kVA or below4. 50 kVA or aboveCorrect Ans: 4

Q.52 The operating temperature of a central receiver power tower of solar plant is ________.Ans 1. 500-1000°C2. 5000-10,000°C3. 100-200°C4. 1000-5000°CCorrect Ans: 1

Q.9 The conductor material used for transmission and distribution should NOT have ___________.Ans 1. high electrical conductivity2. high tensile strength3. high specific gravity4. low costCorrect Ans: 3

Q.36 A capacitor of 90 μF is connected across a 230V, 50Hz single-phase supply. Calculate rms value of the current.Ans 1. 4.3 A2. 6.5 A3. 1 A4. ZeroCorrect Ans: 2