Calorific value and ignition temperature of fuel X are 75 kJ/g and 20°C respectively. These values for fuel Y are 50 kj/g and 75°C respectively. On burning, the fuel Y produces only CO₂ while fuel X produces CO₂ and CO. Which of the two is a better fuel? Give two reasons to support your answer.

Open in App

Solution

Fuel Y is the better fuel for the following reasons.
(a) It has a moderate ignition temperature of 75°C, i.e., neither too high nor too low.
(b) It does not produce harmful gases such as carbon monoxide (CO).

Suggest Corrections

Similar questions

Calorific value and ignition temperature of fuel X are 75 kj/g and $20^{\circ} C$ respectively. These values for fuel Y are 50 kj/g and $75^{\circ} C$ respectively. On burning, the fuel Y produces only $C O_{2}$ while fuel X produces $C O_{2}$ and CO. Which of the two is a better fuel? Give two reasons to support your answer.

Q. (a) What is a fuel? Give five examples of fuels.
(b) What are the characteristics of an ideal fuel (or good fuel)?
(c) The calorific value and ignition temperature of fuel A are 55 kJ/g and 80°C, respectively. These values for fuel B are 80 kJ/g and 10°C, respectively. On burning, the fuel A produces CO₂ and H₂O while the fuel B produces CO₂ , CO and SO₂. Give three points of relative advantages and disadvantages of these two fuels.

Q. The calorific values of three fuels A, B and C are 33 kJ/g, 48 kJ/g and 150 kJ/g, respectively. A is solid, B is liquid and C is a gas at room temperature. One combustion, both A and B produce carbon dioxide while C explodes forming steam. B and C leave no residue after combustion while A leaves behind some solid residue. Which one of the three fuels is the most ideal? Give two reasons to support your answer.

Q. The calorific values of fuels A, B, C and D are 48 KJ/g, 17 KJ/g, 50 KJ/g and 30 KJ/g respectively. Which of these fuels could be wood?

Q. Nicky collected two different types of fuels A and B. She wants to find out which fuel is the most efficient among the fuels she has collected. She burns 6 kg of A and 8 kg of B completely. She found out that the heat produced by complete burning of A and B is 3600 kJ and 4000 kJ respectively. Which of the following are true regarding fuel efficiency and calorific value of the fuels A and B ?

Join BYJU'S Learning Program

Calorific value and ignition temperature of fuel X are 75 kJ/g and 20°C respectively. These values for fuel Y are 50 kj/g and 75°C respectively. On burning, the fuel Y produces only CO2 while fuel X produces CO2 and CO. Which of the two is a better fuel? Give two reasons to support your answer.

Fuel Y is the better fuel for the following reasons. (a) It has a moderate ignition temperature of 75°C, i.e., neither too high nor too low. (b) It does not produce harmful gases such as carbon monoxide (CO).

Fuel Y is the better fuel for the following reasons.
(a) It has a moderate ignition temperature of 75°C, i.e., neither too high nor too low.
(b) It does not produce harmful gases such as carbon monoxide (CO).