Electric Power Utilization Test Questions

1.

The efficiency of heating is more for

A. Solid fuels

B. Oil heating

C. Gas heating

D. Electric heating

Answer & Solution Discuss in Board

2.

The heat can be transferred from high temperature body to low temperature body by

A. Conduction method

B. Convection method

C. Radiation method

D. All of these

Answer & Solution Discuss in Board

3.

Heat in water and air is transferred by

A. Conduction

B. Convection

C. Radiation

D. Either conduction or convection

Answer & Solution Discuss in Board

4.

In induction heating, the heat produced is

A. Directly proportional to the induced voltage and inversely proportional to the resistance

B. Inversely proportional to the induced voltage and directly proportional to the resistance

C. Directly proportional to the square of induced voltage and inversely proportional to the resistance

D. Inversely proportional to the square of induced voltage and directly proportional to the resistance

Answer & Solution Discuss in Board

5.

The core type induction furnace and the coreless type induction furnace are

A. Low frequency, high frequency

B. Low frequency, low frequency

C. High frequency, high frequency

D. High frequency, low frequency

Answer & Solution Discuss in Board

6.

In direct core type induction furnaces, the leakage reactance of the magnetic circuit is

A. High and power factor is also high

B. Low and power factor is high

C. High and power factor is low

D. Low and power factor is also low

Answer & Solution Discuss in Board

7.

When sulfate molecules reacts with the water then

A. Hydrogen is liberated

B. Oxygen is liberated

C. Sulphurdioxide is formed

D. All of these

Answer & Solution Discuss in Board

8.

According to the Faraday’s first laws of electrolysis, the mass of substance liberated during electrolysis is

A. Directly proportional to the current flowing through the electrolyte

B. Directly proportional to time for which current flows

C. Directly proportional to the charge

D. Only (a) and (b)

Answer & Solution Discuss in Board

9.

The current efficiency is defined as the ratio of

A. Actual quantity of the substance deposited to the theoretical quantity of the substance deposited

B. Actual quantity of the substance deposited to the theoretical quantity of the substance liberated

C. Theoretical quantity of the substance deposited to the actual quantity of the substance deposited

D. Theoretical quantity of the substance deposited to the actual quantity of the substance liberated

Answer & Solution Discuss in Board

10.

With increase in temperature of the body, the emission of light waves is

A. Increases

B. Decreases

C. Remains same

D. None of these

Answer & Solution Discuss in Board

Practice MCQ Questions and answers on Electric Power Utilization Test Questions

1. The efficiency of heating is more for

Answer & Solution

2. The heat can be transferred from high temperature body to low temperature body by

Answer & Solution

3. Heat in water and air is transferred by

Answer & Solution

4. In induction heating, the heat produced is

Answer & Solution

5. The core type induction furnace and the coreless type induction furnace are

Answer & Solution

6. In direct core type induction furnaces, the leakage reactance of the magnetic circuit is

Answer & Solution

7. When sulfate molecules reacts with the water then

Answer & Solution

8. According to the Faraday’s first laws of electrolysis, the mass of substance liberated during electrolysis is

Answer & Solution

9. The current efficiency is defined as the ratio of

Answer & Solution

10. With increase in temperature of the body, the emission of light waves is

Answer & Solution

Read More Section(Electrical Engineering Questions)

1.

The efficiency of heating is more for

2.

The heat can be transferred from high temperature body to low temperature body by

3.

Heat in water and air is transferred by

4.

In induction heating, the heat produced is

5.

The core type induction furnace and the coreless type induction furnace are

6.

In direct core type induction furnaces, the leakage reactance of the magnetic circuit is

7.

When sulfate molecules reacts with the water then

8.

According to the Faraday’s first laws of electrolysis, the mass of substance liberated during electrolysis is

9.

The current efficiency is defined as the ratio of

10.

With increase in temperature of the body, the emission of light waves is