Which of the following is called "blue gas"?
Correct answer: B. Water gas
- A. Coke oven gas
- B. Water gas
- C. Natural gas
- D. Producer gas
Explanation
Water gas, produced by passing steam over red-hot carbon, mainly contains carbon monoxide and hydrogen and burns with a blue flame. Coke-oven and producer gases have different compositions and are not called blue gas.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
Practise Chemical Process Principles
2,710 free Chemical Process Principles MCQs from Chemical Engineering, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Chemical Engineering questions like this
Chemical Engineering is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.
More Chemical Process Principles questions
Temperature of preheated air used for the transportation of pulverised coal through pipes to the burner of a boiler furnace is restricted to a maximum limit of about 300° C to avoid the___________________?
Use of excess of combustion air in the combustion of fuels results in__________________?
Which of the following fuels is generally not used in thermal power plant boiler firing ?
Rate of low temperature oxidation of coal due to bad storage conditions_______________?
Dust content in raw blast furnace gas is about _______________ gm/Nm3; hence it is cleaned to the dust level of about < 10 mg /Nm3 before use?
When steam is passed over coal resulting in the endothermic reaction represent by, C + H2O = CO + H2, it is called the _______________ of coal?