A. equal to carnot cycle
B. less than carnot cycle
C. more than carnot cycle
D. could be anything
E. none of the above
An ideal regenerative cycle is ______________________? Read More »
Engines, Nozzles and Turbines, Steam Boilers A. stationary fire tube boiler
B. stationary water tube boiler
C. water tube boiler with natural/forced circulation
D. mobile fire tube boiler
E. none of the above
Lancashire ‘boiler is a__________________? Read More »
Engines, Nozzles and Turbines, Steam Boilers A. 1000 J
B. 360 kJ
C. 3600 kJ
D. 3600 kW/sec
E. 1000 kJ
One kilowatt-hour energy is equivalent to ________________? Read More »
Engines, Nozzles and Turbines, Steam Boilers A. frictional losses
B. it is not possible to achieve 0°K temperature
C. leakage
D. non-availability of ideal substance
E. none of the above
100% efficiency of a thermal cycle cannot be achieved because of __________________? Read More »
Engines, Nozzles and Turbines, Steam Boilers A. one half
B. one third
C. one-fifth
D. two-fifth
E. three-fifth
The diameter of fire tube of Cornish boiler compared to its shell is__________________? Read More »
Engines, Nozzles and Turbines, Steam Boilers A. work done during the rankine cycle ;
B. work done during compression.
C. work done during adiabatic expansion
D. change in enthalpy
E. none of the above
The change in internal energy in steam engines equals to__________________? Read More »
Engines, Nozzles and Turbines, Steam Boilers A. horizontal multitubular water tube boiler
B. water wall enclosed furnace type
C. vertical tubular fire tube type
D. horizontal multi-tubular fire tube type
E. none of the above types
Locomotive type’ boiler is__________________? Read More »
Engines, Nozzles and Turbines, Steam Boilers A. flue gases pass through tubes and water around it
B. water passes through the tubes and flue gases around it
C. forced circulation takes place
D. tubes are laid vertically
E. none of the above
Fire tube boilers are those in which__________________? Read More »
Engines, Nozzles and Turbines, Steam Boilers A. zero
B. one
C. two
D. four
E. many
The number of flue tubes in Lancashire boiler is_________________? Read More »
Engines, Nozzles and Turbines, Steam Boilers A. locomotive boiler
B. Cochran boiler
C. Cornish boiler
D. Babcock and Wilcox boiler
E. Lancashire boiler
Which of the following is a water tube boiler_________________? Read More »
Engines, Nozzles and Turbines, Steam Boilers