Electrical Engineering Top Interview Questions And Answers 50 t0 100

51: Explain the working principal of the circuit breaker?

52: In the motors starting purpose why the armature rheostats at maximum position while the field rheostat is kept in minimum position?

53: What is the significance of vector grouping in Power Transformers? 

54: Advantages of vvvf drives over non vvvf drives for EOT cranes? 

55: How can you start-up the 40w tube lite with 230v AC/DC without using any choke/Coil? 

56: What is electric traction? 

57: Why computer humming sound occurred in HT transmission line? 

58: What's the one main difference between UPS & inverter ? And electrical engineering & electronics engineering? 

59: What is meant by armature reaction? 

60: What is Potential Transformer (PT)?

51: Explain the working principal of the circuit breaker? 

52: In the motors starting purpose why the armature rheostats at maximum position while the field rheostat is kept in minimum position?

53: What is the significance of vector grouping in Power Transformers? 

54: Advantages of vvvf drives over non vvvf drives for EOT cranes?

55: How can you start-up the 40w tube lite with 230v AC/DC without using any choke/Coil?

56: What is electric traction? 

57: Why computer humming sound occurred in HT transmission line?

58: What's the one main difference between UPS & inverter ? And electrical engineering & electronics engineering?

59: What is meant by armature reaction?

60: What is Potential Transformer (PT)?

61: Could you explain about reverse power relay?

62: You may have noticed there are fuse and circuit breakers. What is the difference between the both? 

63: What does tripping means in transmission lines? 

64: What is Trash Racks? 

65: What is water hammering phenomenon?

66: What is Penstock? 

67: Tell me in detail about c.t. and p.t.?

68: why syn. generators r used for the production of electricity? 

69: What are the advantages of speed control using thyristor?

70: Whats is MARX CIRCUIT? 

71: What is the principle of motor?

72: Why Negative Feedback is preffered in the Control System? 

73: What is a feedback in Control System? 

74: Why skin effect exists only in Ac and not in DC?

75: What is Chain reaction and how it is controlled in Nuclear reactor?

76: What is the relation between applied voltage and emf induced with respect to flux wave?

77: What are the different substation components?

78: What is the purpose of Pulverizes?

79: For distribution network which type of Switching scheme is employed? 

80: What are the particles used in nuclear fission? 

81: How energy is generated in Nuclear power plant? 

82: What is the Ideal transformer? 

83: What is the difference between high and low tension? 

84: what are tie-lines? 

85: Why electricity is transmitted at higher voltage and not at lower voltage? 

86: What does high starting torque means? 

87: Why we can't store AC in Batteries instead of DC.or Can we store AC in batteries instead of DC? 

88: What is the difference between electronic regulator and ordinary electrical rheostat regulator for fans? 

89: Operation carried out in Thermal power stations? 

90: Why the capacitors works on ac only?

91: What is Automatic Voltage regulator(AVR)? 

92: Why thyristor is considered as Charge controlled device? 

93: What is Holding current? 

94: What is the effect of positive feedback on stability of the system? 

95: What is Control System? 

96: What System?

97: What is the difference between sensor and a transducer? 

98: Why is generation voltage normally between 11 to 33kv? 

99: Why ammeter is connected in series and voltmeter in parallel? 

100: What type of cables are used for transmissions?