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GETCO EE PRACTICE QUIZ - 12

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Question 1

Consider the following statements regarding the pumped storage plants:
1) A pumped storage plant is peak load plant
2) The starting time of a pumped storage plant is very long.
3) Reversible turbines and pumps are very suitable for pumped storage plants.
4) Pumped storage plants can be used for load frequency control.
Which of these statements is/are correct?

Question 2

Compared to the salient-pole Hydroelectric generators, the steam and the gas-turbine have cylindrical rotors for

Question 3

For lower cost of electricity generation,

Question 4

A power generating station has a maximum demand of 1000 MW. The annual load factor is 75% and plant capacity factor is 60%. Calculate the reserve capacity.

Question 5

A Pelton wheel turbine having a rated speed of 300 rpm is connected to an alternator to produce power at 50 Hz.
The number of poles required in the alternator is

Question 6

The incremental cost characteristics of two generators delivering 200 MW are as follows:

For economic operation the generation P₁ and P₂ should be

Question 7

A domestic consumer received a monthly bill of Rs.1350 with a load factor of 45%. The rate of electricity is Rs.90 per kW of maximum demand and Rs.2.50 per unit of energy consumption. Assuming 30 days in a month, find the monthly electricity consumption [in kWhr] of the consumer.

Question 8

Which of the following plants have the lowest operational and maintenance costs?

Question 9

A condenser in a steam power plant condenses steam coming out of

Question 10

The efficiency of a boiler used in modern steam power plant is of the order of

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AE & JE Exams

Jul 12AE & JE Exams