Up To Date Fuels And Combustion MCQs – New Chemical Engineering MCQs

Up To Date Fuels And Combustion MCQs – New Chemical Engineering MCQs

This post is comprising of latest ” Fuels And Combustion MCQs – Latest Competitive Chemical Engineering MCQs “. Here you’ll get latest chemical engineering mcqs for written test, interview with answers. If you want to improve your knowledge regarding chemical engineering then read these mcqs of Design of Steel Structures.

Latest Chemical Engineering MCQs

By practicing these MCQs of Fuels And Combustion MCQs – Latest Competitive Chemical Engineering MCQs , an individual for exams performs better than before. This post comprising of mechanical engineering objective questions and answers related to Fuels And Combustion Mcqs “. As wise people believe “Perfect Practice make a Man Perfect”. It is therefore practice these mcqs of Chemical engineering to approach the success. Tab this page to check “Fuels And Combustion Mcqs” for the preparation of competitive mcqs, FPSC mcqs, PPSC mcqs, SPSC mcqs, KPPSC mcqs, AJKPSC mcqs, BPSC mcqs, NTS mcqs, PTS mcqs, OTS mcqs, Atomic Energy mcqs, Pak Army mcqs, Pak Navy mcqs, CTS mcqs, ETEA mcqs and others.

Latest Fuels And Combustion Mcqs

The most occurred mcqs of Fuels And Combustion in past papers. Past papers of Fuels And Combustion Mcqs. Past papers of Fuels And Combustion Mcqs . Mcqs are the necessary part of any competitive / job related exams. The Mcqs having specific numbers in any written test. It is therefore everyone have to learn / remember the related Fuels And Combustion Mcqs. The Important series of Fuels And Combustion Mcqs are given below:

Caking index of a coal is a measure of its _______________________?

A. Reactivity
B. Abradability
C. Agglutinating (binding) properties
D. Porosity

Main component of sewage gas produced during anaerobic decomposition of organic waste (by suitable bacteria) during sewage disposal is __________________?

A. CO2
B. CH4
C. H2
D. N2

The shift conversion reaction taking place during water gas manufacture is given by__________________?

A. C + 2H2O ↔ CO2 + 2H2
B. C + H2O ↔ CO + H2
C. CO + H2O ↔ CO2 + H2
D. None of these

_____________ of the coal is the basis for Seylor’s coal classification?

A. Caking index
B. Ultimate analysis
C. Proximate analysis
D. Calorific value

In case of pulverised coal fired steam boiler, the secondary air serves the main purpose of__________________?

A. Drying of coal
B. Transportation of coal
C. Combustion of coal by supplying it around the burner
D. Preheating the primary air

In flue gas analysis by Orsat’s apparatus, carbon monoxide is absorbed by__________________?

A. Cuprous chloride
B. Alkaline pyrogallol solution
C. Potassium hydroxide
D. None of these

Washing of coal decreases its_________________?

A. Ash content
B. Mineral matter content
C. Caking index
D. Both B. and C.

To avoid fire by spontaneous combustion of coal due to its low temperature oxidation, it should be stored in___________________?

A. Shallow and small piles
B. Closed space without any ventilation facility
C. Fine sizes without the presence of any lump
D. Large heaps with small surface to volume ratio

The gas which contributes maximum to the heating value of natural gas is __________________?

A. CO2
C. H2
D. CH4

Nitrogen in coal_________________?

A. Comes from protein in parent vegetable matter
B. Is present upto 1-2%
C. Is recovered as ammonia during its carbonisation
D. All A., B. and C.

Calorific value of blast furnace gas is around _____________ KCal/Nm3?

A. 850
B. 4200
C. 1800
D. 6500

Which of the following would require least amount of secondary air for combustion ?

A. Coke breeze containing 25% ash and 2% volatile matter
B. Bituminous coal containing 20% ash and 25% volatile matter
C. Anthracite containing 10% volatile matter and 8% ash
D. Semi-bituminous coal containing 25% ash and 20% volatile matter

Bulk density of pulverised coal may be about ______________ kg/m3?

A. 1000
B. 500
C. 100
D. 1500

Bunsen burner is an example of a/an _____________ burner?

A. Inside mixing/premix type
B. Outside mixing/diffusion flame/nozzle mix type
C. Submerged combustion
D. Rotary cup

The main drawback of supplying more excess air in the combustion of fuel is the_________________?

A. High exit flue gas temperature from the furnace
B. Enhanced sensible heat loss in the flue gas
C. Intermittent and uncontrolled combustion of the fuel
D. Excessive power requirement of air blower

The maximum adiabatic flame temperature in air is _____________ the maximum flame temperature in pure oxygen?

A. Lower than
B. Higher than
C. Not related to
D. Same as

Largest constituent of coke oven gas is_________________?

A. CH4
B. H2
C. N2
D. CO2

Bomb calorimeter can be used to determine the _____________ of the coal?

A. Calorific value
B. Sulphur content
C. Both A. & B.
D. Neither A. nor B.

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_________________?

A. Less
B. More
C. Same
D. Data insufficient; can’t be predicted

Combustion reaction of fuels is a/an ______________ reaction?

A. Endothermic
B. Exothermic
C. Auto catalytic
D. None of these

Up To Date Fuels And Combustion MCQs – New Chemical Engineering MCQs

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