Laboratory gas is obtained by the cracking of____________________?
Laboratory gas is obtained by the cracking of____________________?
A. Gasoline
B. Diesel
C. Fuel oil
D. Kerosene
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Number of macrocomponents present in coal according to Stopes are ___________________?
Number of macrocomponents present in coal according to Stopes are ___________________?A. Four
B. Five
C. Six
D. TwoIn case of pulverised coal fired steam boiler, the secondary air serves the main purpose of__________________?
In case of pulverised coal fired steam boiler, the secondary air serves the main purpose of__________________?A. Transportation of coal
B. Drying of coal
C. Combustion of coal by supplying it around the burner
D. Preheating the primary airEfficient burning of anthracite coal requires
Question: Efficient burning of anthracite coal requires
[A].low preheat of air. [B].
fine grinding. [C].
high excess air. [D].
all (a), (b) and (c). Answer: Option B
Explanation:
No answer description available for this question.
Calorific value of gobar gas (containing CH4 = 60% , H2 = 10% ; CO2 = 30%) may be about ______________ Kcal/Nm3?
Calorific value of gobar gas (containing CH4 = 60% , H2 = 10% ; CO2 = 30%) may be about ______________ Kcal/Nm3?A. 1,800
B. 3,200
C. 5,400
D. 10,200The hottest part of the flame lies in its _______________ zone?
The hottest part of the flame lies in its _______________ zone?A. Non-luminous
B. Luminous
C. Yellow
D. Unburnt gasesNitrogen present in the flue gas is determined in the orsat apparatus by absorbing it in
Question: Nitrogen present in the flue gas is determined in the orsat apparatus by absorbing it in
[A].KOH [B].
ammoniacal cuprous chloride [C].
pyrogallol solution [D].
none of these Answer: Option D
Explanation:
No answer description available for this question.