Fuels & Combustion Mcqs for Chemical
Fuels & Combustion Mcqs for Chemical, this topic has 480 mcqs, It takes five to ten minutes to complete this free Fuels & Combustion Mcqs for Chemical test. You will see 4 or 5 option of each question. You must choose / think only one option and then press on answer key for check right answer. Practice "Fuels & Combustion Mcqs for Chemical" MCQs and share with your friends, brothers, sisters.
Fuels & Combustion Mcqs for Chemical (Total Quiz: 480)
MCQ: Caking index of a coal is a measure of its _______________________?
- Abradability
- Reactivity
- Agglutinating (binding) properties
- Porosity
C
MCQ: Main component of sewage gas produced during anaerobic decomposition of organic waste (by suitable bacteria) during sewage disposal is __________________?
- H2
- CH4
- CO2
- N2
B
MCQ: The shift conversion reaction taking place during water gas manufacture is given by__________________?
- C + H2O ↔ CO + H2
- C + 2H2O ↔ CO2 + 2H2
- CO + H2O ↔ CO2 + H2
- None of these
C
MCQ: _____________ of the coal is the basis for Seylor’s coal classification?
- Proximate analysis
- Ultimate analysis
- Caking index
- Calorific value
B
MCQ: In case of pulverised coal fired steam boiler, the secondary air serves the main purpose of__________________?
- Transportation of coal
- Drying of coal
- Combustion of coal by supplying it around the burner
- Preheating the primary air
C
MCQ: In flue gas analysis by Orsat’s apparatus, carbon monoxide is absorbed by__________________?
- Cuprous chloride
- Potassium hydroxide
- Alkaline pyrogallol solution
- None of these
A
MCQ: Washing of coal decreases its_________________?
- Caking index
- Mineral matter content
- Ash content
- Both B. and C.
B
MCQ: To avoid fire by spontaneous combustion of coal due to its low temperature oxidation, it should be stored in___________________?
- Shallow and small piles
- Fine sizes without the presence of any lump
- Closed space without any ventilation facility
- Large heaps with small surface to volume ratio
A
MCQ: The gas which contributes maximum to the heating value of natural gas is __________________?
- CO
- CO2
- H2
- CH4
D
MCQ: Nitrogen in coal_________________?
- Is present upto 1-2%
- Comes from protein in parent vegetable matter
- Is recovered as ammonia during its carbonisation
- All A., B. and C.
D