Energy Stored in Fossil Fuels

Q.

Higher the calorific value the better the fuel. do you agree, justify.

Q. What is full form of PCRA?

1. Petroleum Conservation Research Association
2. Petroleum Cost Related Alliance
3. Plastic Conservation Research Association
4. Plastic and Crude oil Research Association.

Q. The amount of heat produced on complete combustion of 1 kg of a fuel is known as __ value

Q. Why do gaseous fuels have high calorific value?

Q. The efficiency of a fuel is expressed in terms of its ________.

1. calorific value
2. purity
3. density
4. volume

Q.

"A fuel has calorific value of 25, 000 kJ/kg."
Which among the following options does the above statement implies to?

1. 4 kg of fuel will release 1, 00, 000 kJ of energy on complete combustion.
2. 1 kg of fuel will release 1, 00, 000 kJ of energy on complete combustion.
3. 1 kg of fuel will take in 25, 000 kJ of energy on complete combustion.
4. 4 kg of fuel will take in 1, 00, 000 kJ of energy on complete combustion.

Q. The energy that a fuel can produce is determined by its calorific value. Identify the correct option that is the physical unit of calorific value of fuels.

1. Kilojoule
2. Milligram
3. Kilogram
4. Moles

Q. The energy that a fuel can produce is determined by its calorific value. Identify the correct option that is the physical unit of calorific value of fuels.

1. Kilojoule
2. Milligram
3. Kilogram
4. Moles

Q. What is caloriphic value ?
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Q. Hydrocarbons burn to produce

1. ${\text{CO}}_2$ and ${\text{O}}_2$
2. ${\text{CO}}_2$ and ${\text{H}}_2\text{O}$
3. ${\text{CO}}_2$ and ${\text{H}}_2$
4. ${\text{CO}}_2$

Q.

What does PCRA stand for?

1. Petrol Coal Research Association (PCRA)

2. Petrol Control Research Association (PCRA)

3. Petroleum Conservation Research Association (PCRA)

4. Pollution Control Research Association (PCRA)

Q.

What do we understand by calorific power?

1. Heat produced by a fuel

2. Heat absorbed by fuel

3. Oxygen power

4. Luminocity

Q.

Which of the following represents data for hydrogen?

1. 33 kJ/g

2. 143 kJ/g

3. 23 kJ/g

4. 48 kJ/g

Q.

The efficiency of a fuel is expressed in terms of its ___ .

Q.

What is the primary source of energy behind the chemical energy stored in fossil fuels?

1. Sun

2. Wind

3. Water

4. All of These

Q. Most amount of fossil fuels is used in the .

1. vehicles
2. domestic purpose
3. industries

Q. Which of these statements about petroleum are correct?

1. It is formed from the dead remains of sea organisms.
2. Formation of petroleum requires high pressure.
3. Formation of petroleum occurs in the presence of air.
4. Formation of petroleum requires high temperature.

Q.

The efficiency of a fuel is expressed in terms of its ________.

1. density
2. calorific value
3. purity
4. volume