Power System MCQ #16

Power system MCQ 217 to 220:

(217) The electrical power produce at ______.

      (a) Load center

      (b) Generating station

      (c) Substation

      (d) Switchyard

(218) Which of the following system is universally adopted for generation and transmission of the electrical power?

      (a) 3-phase, 3-wires system

      (b) 3-phase, 4-wires system

      (c) 2-phase, 2-wires system

      (d) 1-phase, 2-wires system

(219) Which of the following system is universally adopted for distribution of the electrical power?

      (a) 3-phase, 3-wires system

      (b) 3-phase, 4-wires system

      (c) 2-phase, 2-wires system

      (d) 1-phase, 2-wires system

(220) _______ voltage rating is acceptable in primary transmission system.

      (a) 33 KV

      (b) 66 KV

      (c) 110 KV

      (d) 132 KV

ANSWER: | 217-b | 218-a | 219-b | 220-d |

Power system MCQ 221 to 224:

(221) Which of the following voltage rating(s) is/are acceptable in secondary transmission system?

      (a) 110 KV

      (b) 66 KV

      (c) 33 KV

      (d) All of the above

(222) In which transmission system, the inductance and capacitance are not considered?

      (a) AC transmission system

      (b) DC transmission system

      (c) AC and DC transmission system

(223) Which of the following is/are protective device(s) of transmission line?

      (a) Lightning arrestor

      (b) Circuit breaker

      (c) Relay

      (d) All of the above

(224) Which of the following parameter(s) is/are considering while designing of power transmission line?

      (a) Economic choice of conductor size

      (b) Economic choice of transmission voltage

      (c) Both a and c

      (d) None of the above

ANSWER: | 221-d | 222-b | 223-d | 224-c|

Power system MCQ 225 to 228:

(225) The economic size of conductor can be determined by ______?

      (a) Faraday’s law

      (b) Fleming’s law

      (c) Ohm’s law

      (d) Kelvin’s law

(226) Which of the material used as insulating material between conductors in overhead line?

      (a) Mica

      (b) Paper

      (c) Air

      (d) Rubber

(227) Which of the following property is not of conductive material?

      (a) High electrical conductivity

      (b) High tensile strength

      (c) Low cost

      (d) High specific gravity

(228) Which of the reason(s) underground transmission system is not widely used?

      (a) Power generally transmitted over a long distance

      (b) Power is transmitted on high voltage for economic reason

      (c) Both a and c

      (d) None of the above

ANSWER: | 225-d | 226-c | 227-d | 228-c |

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