MCQ Quiz on Transmission and Distribution - Set 04 - ObjectiveBooks

MCQ Quiz on Transmission and Distribution - Set 04

Practice Test: Question Set - 04

1. Overhead lines generally use
    (A) Copper conductors
    (B) All aluminium conductors
    (C) A.C.S.R. conductors
    (D) None of these

2. As compared to a 2-wire D.C. distributor, a 3-wire distributor with same maximum voltage to earth uses only
    (A) 31.25 percent of copper
    (B) 33.3 percent of copper
    (C) 66.7 percent of copper
    (D) 125 percent of copper

3. The steel used in steel cored conductors is usually
    (A) Alloy steel
    (B) Stainless steel
    (C) Mild steel
    (D) High speed steel

4. By which of the following a bus-bar is rated?
    (A) Current only
    (B) Current and voltage
    (C) Current, voltage and frequency
    (D) Current, voltage, frequency and short time current

5. Which of the following equipment, for regulating the voltage in distribution feeder, will be most economical?
    (A) Static condenser
    (B) Synchronous condenser
    (C) Tap changing transformer
    (D) Booster transformer

6. Series capacitors on transmission lines are of little use when the load VAR requirement is
    (A) Large
    (B) Small
    (C) Fluctuating
    (D) Any of the above

7. The underground system cannot be operated above
    (A) 440 V
    (B) 11 V
    (C) 33 V
    (D) 66 V

8. 310 km line is considered as
    (A) A long line
    (B) A medium line
    (C) A short line
    (D) Any of the above

9. The distributors for residential areas are
    (A) Single phase
    (B) Three-phase three wire
    (C) Three-phase four wire
    (D) None of the above

10. Which of the following is usually not the generating voltage?
    (A) 6.6 kV
    (B) 8.8 kV
    (C) 11 kV
    (D) 13.2 kV

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