Related Questions

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
The air requirement of a petrol engine during starting compared to theoretical air required for complete combustion is
A More
B Less
C Same
D May be more or less depending on engine capacity
Theoretical flame temperature of a fuel is that temperature which is attained, when the fuel is completely burnt 'using theoretical amount of air in
A Air
B Oxygen
C Either A or B
D Either A or C without gain or loss of heat
Use of excess of combustion air in the combustion of fuels results in
A Heat losses
B Long flame
C Condensation of water vapour from the fuel gas
D None of these
Deficiency of combustion air during combustion of a gaseous fuel
A Lengthens the flame
B Causes heat loss of fuel by its partial combustion
C Both A & B
D Shortens the flame
The ratio of actual mass of water vapour in a given volume of moist air to the mass of water vapour in the same volume of saturated air at the same temperature and pressure, is called
A Humidity ratio
B Relative humidity
C Absolute humidity
D Degree of saturation
For the case of a fuel gas undergoing combustion with air, if the air/fuel ratio is increased, the adiabatic flame temperature will
A Increase
B Decrease
C Increase or decrease depending on the fuel type
D Not change
If 'basis points' are defined so that 1 percent equal to 100 basis points,than 82.5 percent is how many basis points greater than 62.5percent ?
A .02
B .2
C 2000
D 200
If "basis points" are defined so that 1 percent is equal to 100 basis points, then 82.5 percent is how many basis points greater than 62.5 percent?
A 0.02
B 0.2
C 2000
D 200
You can rent a bungalow on daily basis at Taka 500 per day or on monthly basis at Taka 10,000 per month. How much can you save annually by renting on monthly basis?
A Taka 5,000
B Taka 10,000
C Taka 30,000
D Taka 45,000

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