MCQ TEST | Chapter 5: Grounding and Bonding (PQM) | Electrical Engineering Quiz | Important For Final year GTU Exam 2020

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Hello Dear GTU Students, Here we provide MCQ test For your upcoming Final Year Exam 2020. Today we provide test for Power Quality and Management Subject of Electrical Engineering Department. Today we cover MCQ for Chapter 5: Grounding and Bonding. This MCQ test is very useful for your upcoming final year exam.

Chapter 5: Grounding and Bonding (PQM) (Electrical Engineering)

Earthing is necessary to give protection against

A. Danger of electric shock
B. Voltage fluctuation
C. Overloading
D. High temperature of the conductors

View Answer
Answer:Danger of electric shock

Explanation:

When earth fault occurs

A. voltage potential at the earth mat increases due to grounding
B. voltage potential at the earth mat decreases due to grounding
C. voltage potential at the earth mat remains zero irrespective of fault
D. none of the above

View Answer
Answer:Voltage potential at the earth mat increases due to grounding

Explanation:

When the 3-phase system is not grounded and if Single Line to Ground fault occurs, the voltage of the other two healthy phases will

A. Decreases
B. Increases
C. Remains Unaffected
D. none of the above

View Answer
Answer:Increases

Explanation:

Average resistance of human body is

A. 1100 Ohms
B. 1200 Ohms
C. 1000 Ohms
D. 1500 Ohms

View Answer
Answer:1000 Ohms

Explanation:

For an EHV equipment for maintenance first it should be isolated and connected to ground because

A. to provide low impedance
B. to discharge the charging capacitance to ground
C. to discharge the charging capacitance to ground
D. B and C

View Answer
Answer:B and C

Explanation:

Moisture content in the soil ______ the earth soil resistance.

A. Decreases
B. Increases
C. does not affect
D. None of the above

View Answer
Answer:Decreases

Explanation:

Generally grounding is provided for ________

A. only for the safety of the equipment
B. only for the safety of the operating personnel
C. A and B
D. None of the above

View Answer
Answer:A and B

Explanation:

Earth wire or ground wire is made of _______.

A. Iron
B. Copper
C. Galbanized Steel
D. Aluminium

View Answer
Answer:Galbanized Steel

Explanation:

Which of the following solution is used to reduces the earth’s resistivity?

A. Nacl
B. Na2SO4
C. CaCl
D Ca2CO3

View Answer
Answer:Nacl

Explanation:

Electrical system is grounded in order to protect _______ from faults.

A. Electrical equipment
B. Humans
C. Both Electrical Equipment and Humans
D. Neither Electrical Equipment nor Humans

View Answer
Answer:Both Electrical Equipment and Humans

Explanation:

When the 3-phase system is not grounded and if Single Line to Ground fault occurs, the voltage of the other two healthy phases will:

A. Increases
B. Decreases
C. Remains unaffected

View Answer
Answer:Increases

Explanation:

Which Factors are affect the Ground Resistance?

A. Temperature
B. Moisture Content
C. Diameter of the ground electrode
D. All of the above

View Answer
Answer:All of the above

Explanation: