Related Questions

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
Actual flame temperature is always lower than the adiabatic flame temperature, because there is
A No possibility of obtaining complete combustion at high temperature
B Always loss of heat from the flame
C Both A & B
D Neither A nor B
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
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
Which of the following has the highest flame speed?
A CO
B H2
C CH4
D C2H6
Which of the following has the highest flame velocity?
A H2
B CO
C CH4
D C2H6
The temperature of the inner luminous cone of neutral flame is about
A 1000°C
B 1250°C
C 2100°C
D 3200°C
The maximum flame temperature occurs
A At the outer cone
B At the inner cone
C Between the outer and inner cone
D At the torch tip
The temperature produced by oxy-hydrogen flame is about
A 1800°C
B 2100°C
C 2400°C
D 3200°C

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