Electrical Power Transmission and distribution MCQ Part 6.
Electrical Engineering MCQ Under PT&D
The rated voltage of a 3 phase power system is expressed in
The rated voltage of a 3 phase power system is expressed in:
- RMS line to line
- RMS phase voltage
- Peak phase voltage
- Peak line to line voltage
Correct answer: 1. RMS line to line
Hot template curves are plotted between
Hot template curves are plotted between:
- Sag and length
- Coal quantity and temperature rise
- Boiler efficiency and input fuel
- None of these
Correct answer: 1. Sag and length
RCC poles for transmission lines are recommended for spans up to
RCC poles for transmission lines are recommended for spans up to:
- 30 – 50 m
- 80 – 150 m
- 700 – 820 m
- 1 km
Correct answer: 2. 80 – 150 m
Supports used for transmission lines should posses
Supports used for transmission lines should posses:
- High mechanical strength
- Ease of access
- Economical availability
- All of these
Correct answer: 4. All of these
High voltage for power transmission is recommended because
High voltage for power transmission is recommended because:
- It reduces the time for transmission
- It results in reduced losses
- It increases the reliability of system
- It increases current losses
Correct answer: 2. It results in reduced losses
Other PT&D MCQ Parts
- Electric Power Transmission and Distribution MCQ Part 1
- Electric Power Transmission and Distribution MCQ Part 2
- Electric Power Transmission and Distribution MCQ Part 3
- Electric Power Transmission and Distribution MCQ Part 4
- Electric Power Transmission and Distribution MCQ Part 5