Related Questions

Testing of the knocking characteristics of petrofuels is done in a __________ engine.
A Carnot
B CFR (Co-operative fuel research)
C Stirling
D Diesel
The most commonly used combustion system manufactured in India for the thermal power plant boilers is the __________ combustion system.
A Pulverised fuel
B Travelling grate stoker firing
C Circulating fluidised bed
D Fluidised bed
The combustion efficiency of a gas turbine using perfect combustion chamber is of the order of
A 75%
B 85%
C 90%
D 99%
In an internal combustion engine, the process of removing the burnt gases from the combustion chamber of the engine cylinder is known as
A Scavenging
B Detonation
C Supercharging
D Polymerisation
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
Solution X contains 7% (by weight) of liquid M and solution Y contains 14.5% (by weight) of liquid M. If 3 grams of solution X is mixed with 2 grams of solution Y, then liquid M accounts for what percent of the weight of the resulting solution?
A 6.09%
B 10%
C 10.75%
D 21.5%
The angle of contact between a glass capillary tube of length 10 cm and a liquid is 90 degree . If the capillary tube is dipped vertically in the liquid, then the liquid:
A Will rise in the tube
B Will get depressed in the tube
C Will rise -up to 10 cm in the tube and will over flow
D Will neither rise nor fall in the tube.
The angle of contact between a glass capillary tube of length 10 cm and a liquid is 90 Degree. If the capillary tube is dipped vertically in the liquid, then the liquid:
A Will rise in the tube
B Will get depressed in the tube
C Will rise-up to 10 cm in the tube and will over flow
D Will neither rise not fall in the tube
The distillation carried out in such a way that the liquid with the lowest boiling point is first evaporated and re-condensed, then the liquid with the next higher boiling point is then evaporated and re-condensed, and so on until all the available liquid fuels are separately recovered in the sequence of their boiling points. Such a process is called
A Cracking
B Fractional distillation
C Full distillation
D Carbonisation

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