Chemical Engineering · all questions

Fuels And Combustion
practice.

Practice every MCQ with options. Use Show answers when you want the correct option and solution.

498

Questions

24/25

Page

Pick an option on a question to see the right answer and solution.

Q461

The weathering index of a coal

Select an option to see the answer and solution.

Q462

Hardgrove grindability index of four coal samples are given below. Which of them is the easiest to grind?

Select an option to see the answer and solution.

Q463

Ionisation potential applied across the electrodes of electrostatic tar precipitator is around

Select an option to see the answer and solution.

Q464

A coal having higher volatile matter content, has lower

Select an option to see the answer and solution.

Q465

Which of the following fertilisers is produced in the by-products recovery (from coke oven gas) plant attached to an integrated steel plant?

Select an option to see the answer and solution.

Q466

A fuel containing carbon and carbon monoxide (but containing no hydrogen or its compounds) is burnt in pure oxygen at constant pressure. Its gross calorific value as compared to net calorific value will be

Select an option to see the answer and solution.

Q467

Gross calorific value will be equal to the net calorific value for

Select an option to see the answer and solution.

Q468

Power alcohol as compared to straight run gasoline has lower

Select an option to see the answer and solution.

Q469

Which of the following petrographic constituents of coal is non-coking?

Select an option to see the answer and solution.

Q470

Moisture loss is determined by the

Select an option to see the answer and solution.

Q471

Main constituent of the gas produced from a gobar gas plant is

Select an option to see the answer and solution.

Q472

Which is the heaviest fuel gas out of the following?

Select an option to see the answer and solution.

Q473

Coal tar fuels (CTF) as compared to petroleum based fuel oils have higher

Select an option to see the answer and solution.

Q474

By-products recovery process from coal carbonisation is termed as direct, indirect and semi direct process depending upon the method of recovery of

Select an option to see the answer and solution.

Q475

In low temperature carbonisation of coal, the

Select an option to see the answer and solution.

Q476

Which of the following is not a by-product recovered in a high temperature coal carbonisation plant?

Select an option to see the answer and solution.

Q477

Softening temperature of coal ash is a measure of the __________ of coal.

Select an option to see the answer and solution.

Q478

Lurgi coal gasifier is a pressurised __________ bed reactor.

Select an option to see the answer and solution.

Q479

Which of the following fuels is the best for burning on chain grate stoker?

Select an option to see the answer and solution.

Q480

In Orsat's apparatus, ammoniacal cuprous chloride is used for selectivity absorbing

Select an option to see the answer and solution.

Prev 22 23 24 25 Next