MCQ, set-8, Testing & Commissioning of Electrical Equipments

Electrical engineering

MCQ related to Testing and Commissioning of Electrical Equipment (TCEE)

Set : 8

71. Which is not right ?

A) zero power factor is potier's method
B) synchronous impedance is Kirchhoff method
C) ampere turn is rother's method
D) mmf is Ampere turn method

... Answer is B)
synchronous impedance is Kirchhoff method

72. Not right for HVDC system ?

A) power transfer & Control is quick
B) good voltage regulation
C) skin effect is present
D) more stability

... Answer is C)
skin effect is present

73. For high voltage, poles is used ?

A) Latticed steel tower
B) steel tower
C) RCC
D) galvanized steel

... Answer is A)
Latticed steel tower

74. In which transmission less substitution is required ?

A) HVAC
B) HVDC
C) EHVAC
D) LVAC

... Answer is B)
HVDC

75. Generally tower footing resistance is..... ?

A) less than 30 ohms
B) less than 10 ohms
C) more more than 10 ohms
D) 15 ohms

... Answer is B)
less than 10 ohms

76. Test use to detect fault location in Underground cable ?

A) Hopkins'son
B) murray loop test
C) varley loop test
D) both B & C

... Answer is D)
both B and c

77. which us nit a types if isolator ?

A) vertical break type
B) horizontal break type
C) inclined break type
D) vertical pantograph type

... Answer is C)
inclined break type

78. ....... detects abnormal condition. ?

A) circuit breaker
B) relay
C) isolator
D) earthing

... Answer is B)
relay

79. full form of MOCB ?

A) maximum oil circuit breaker
B) minimum oil circuit breaker
C) minimum order circuit breaker
D) maximum order circuit breaker

... Answer is B)
minimum oil circuit breaker

80. Not possible reasons, failure of CB ?

A) weather condition
B) failure of mechanism
C) loose component
D) failure of dielectric

... Answer is A)
weather condition
 

 

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