Related Questions

The maximum adiabatic flame temperature in air is __________ the maximum flame temperature in pure oxygen.
A Lower than
B Higher than
C Same as
D Not related to
The maximum adiabatic flame temperature of fuels in air is __________ the maximum flame temperature in pure oxygen.
A Lower than
B Higher than
C Same as
D Not related to
The ratio of maximum adiabatic flame temperature in air to that in pure oxygen is always
A 1
B > 1
C Unpredicatable
Adiabatic flame temperature of a fuel is dependent on the initial temperature of
A Fuel
B Air
C Both A & B
D Neither A nor B
Read the following information and answer the questions giver below it: *Seven students P,Q,R,S,T,U and V take a series of tests. *No two students get similar marks. *V always scores more than P. *P always scores more than Q. *Each time either R scores the highest and T gets the lest, or alternatively S scores the highest and U or Q scores the least. If R gets most, V should be ranked not lower than--
A Second
B Third
C Fourth
D Fifth
The maximum adiabatic flame temperature in air as compared to that in pure oxygen is
A Much lower
B Much higher
C Same
D Either lower or higher, depends on the type of fuel
The maximum adiabatic flame temperature is attained, when the fuel is burnt with
A Theoretically required amount of air
B More than theoretically required amount of air
C Less than theoretically required amount of air
D Theoretically required amount of oxygen
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
L is older than M and taller than N. O is younger than P, older than N and shorter than Q. R is older than S, younger than N, shorter than S and taller than Q. S is older than L, M, O, P, Q, R and S is necessarily false?
A O is the shortest of the group.
B N is the second tallest of the group.
C L is the tallest of the group.
D Q is the third oldest of the group.
With increase in calorific value of fuels, their adiabatic flame temperatures
A Increase
B Decrease
C Remain unchanged
D May increase or decrease ; depends on the quantity of products of combustion

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