A. Low temperature of
B. High temperature of
C. High % of CO in
D. High % of CO2 in
Related Mcqs:
- Velocity of a gas in sound is not proportional to (where, T = Absolute temperature of the gas. P = Absolute pressure of the gas. y = Ratio of specific heats (Cp/Cv) ρ = specific weight of the gas) ?
A. √T
B. 1/√P
C. √y
D. 1/√ρ - Which of the following emissions in the exhaust gas of an I.C. engine causes the formation of photochemical smog ?
A. Nitrogen oxides
B. Hydrocarbons
C. Both A. & B.
D. Carbon monoxide - Air/fuel ratio by weight for combustion of methane with theoretical quantity of air will be about ____________________?
A. 9 : 1
B. 17 : 1
C. 23 : 1
D. 29 : 1 - Air/fuel ratio on molar (volume) basis for combustion of methane with theoretical quantity of air with be________________?
A. 9.5 : 1
B. 12.5 : 1
C. 15.5 : 1
D. 18.5 : 1 - For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm3) while the C.V. is same on weight basis (i.e., kcal/kg) ?
A. Propane and acetylene
B. Propane and LPG
C. Sewage gas and gobar gas
D. B.F gas and coke oven gas - Thermal efficiency of an internal combustion engine is around ______________ percent?
A. 8
B. 35
C. 65
D. 80 - Theoretical volume of oxygen required for complete combustion of 1Nm3 of acetylene, in oxy-acetylene welding is ______________ Nm3 ?
A. 0.5
B. 1
C. 1/3
D. 2.5 - Sudden fall of atmospheric pressure by a large amount is an indication of the_____________________?
A. Rain
B. Cold wave
C. Storm
D. Fair weather - Dew point temperature always gives an indication of the __________________ of the moist air ?
A. Dryness
B. Moisture content
C. Coolness
D. Latent heat - An abrupt and sudden fall in the reading of barometer is an indication of the____________________?
A. Storm
B. Rain
C. Clear weather
D. Cold wave
