Cooling water

Correct statement about cooling water used in condenser of steam power plant:
1. The colder the water the more is the efficiency
2. The warmer the water the more is the efficiency
3. Water temperature has no effect on efficiency
4. The cooling water should be used in very small quantity
Answer: 2. The warmer the water the more is the efficiency

Answers to Questions 1-7

1. A voltmeter connects in:
1. Series
2. Parallel
3. Any of these
4. None of these
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The correct answer is 2.

2. The form factor of sinusoidal alternating current is:
1. 0.97
2. 1.11
3. 3.54
4. 7.48
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The correct answer is 2.

3. If the span is increased, the sag will:
1. Increase
2. Decrease
3. Remain constant
4. None of these
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The correct answer is 1.

4. Voltage regulation of an alternator when connected to inductive load:
1. Positive
2. Negative
3. Zero
4. None of these
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The correct answer is 1.

5. Country with the highest uranium resources:
1. Australia
2. Canada
3. Namibia
4. Nigeria
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The correct answer is 1.

6. Which one of the following is not a part of DC Machines:
1. Commutator
2. Yoke
3. Damping winding
4. Field winding
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The correct answer is 3.

7. An alternator converts ____________ to ______________:
1. Alternating current, Direct current
2. Direct current, Alternating current
3. Electrical Energy, Mechanical Energy
4. Mechanical energy, Electrical Energy
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The correct answer is 4.