Related Questions

Which of the following furnaces will have maximum thermal efficiency?
A Soaking pits
B Walking beam reheating furnace
C Boiler furnace
D Rotary kilns
Thermal spalling mainly occurs during __________ of furnaces.
A Cooling down
B Warming up
C Both A & B
D Neither A nor B
Thermal conductivity based continuous flue gas analyser makes use of varying thermal conductivity of the constituents of flue gases. Which of the following constituents of flue gases has the maximum thermal conductivity?
A CO2
B N2
C O2
D CO
Thermal efficiency of a thermal power plant is of the order of
A 15%
B 20%
C 30%
D 45%
The pilot of a small aircraft with a 40 gallon fuel tank wants to fly to Cleveland , which is 480 miles engine , which can fly only 8 miles per gallon, will not get him there , By how many miles per gallon must the aircraft's fuel efficiency be improved to make the fight to Cleveland possible?
A 160
B 12
C 40
D 4
By which of the following methods string efficiency can be improved?
A Using a guard ring
B Grading the insulator
C Using long cross arm
D Any of the above
There is a certain pressure ratio (optimum) for a gas turbine at which its thermal efficiency is maximum. With increase in turbine temperature, the value of pressure ratio for the peak efficiency would
A Remain same
B Decrease
C Increase
D None of the above
The ratio of indicated thermal efficiency to the corresponding air standard cycle efficiency is called
A Net efficiency
B Efficiency ratio
C Relative efficiency
D Overall efficiency
The ratio of the indicated thermal efficiency to the air standard efficiency is known as
A Mechanical efficiency
B Overall efficiency
C Volumetric efficiency
D Relative efficiency
The efficiency of steam turbines may be improved by
A Reheating of steam
B Regenerative feed heating
C Binary vapor plant
D Any one of these

Next steps