Question: __________ is invariably used for peak load.

• 1. Nuclear power plant
• 2. Steam turbine plant
• 3. Pumped storage plant
• 4. None of the above

Question: Which of the following is the essential requirement of peak load plant ?

• 1. It should run at high speed
• 2. It should produce high voltage
• 3. It should be small in size
• 4. It should be capable of starting quickly

Question: By the use of which of the following power factor can be improved?

• 1. Phase advancers
• 2. Synchronous compensators
• 3. Static capacitors
• 4. Any of the above

Question: An induction motor has relatively high power factor at__________?

• 1. rated r.p.m.
• 2. no load
• 3. 20 percent load
• 4. near full load

Question: In a distribution system, in order to improve power factor, the synchronous capacitors are installed__________?

• 1. at the receiving end
• 2. at the sending end
• 3. either A or B
• 4. none of the above

Question: Which of the following is the disadvantage of a synchronous condenser?

• 1. High maintenance cost
• 2. Continuous losses in motor
• 3. Noise
• 4. All of the above

Question: For a consumer the most economical power factor is generally____________?

• 1. 0.5 lagging
• 2. 0.5 leading
• 3. 0.95 lagging
• 4. 0.95 leading

Question: In an interconnected system, the diversity factor of the whole system:

• 1. remains unchanged
• 2. decreases
• 3. increases
• 4. none of the above

Question: __________ will be least affected due to charge in supply voltage frequency.

• 1. Electric clock
• 2. Mixer grinder
• 3. Ceiling fan
• 4. Room heater

Question: Which of the following is not necessarily an advantage of interconnecting various power stations?

• 1. Improved frequency of power supplied
• 2. Reduction in total installed capacity
• 3. Increased reliability
• 4. Economy in operation of plants