Steam Boilers, Engines, Nozzles & Turbines Mcqs
Steam Boilers, Engines, Nozzles & Turbines Mcqs, this topic has 194 mcqs, It takes five to ten minutes to complete this free Steam Boilers, Engines, Nozzles & Turbines Mcqs test. You will see 4 or 5 option of each question. You must choose / think only one option and then press on answer key for check right answer. Practice "Steam Boilers, Engines, Nozzles & Turbines Mcqs" MCQs and share with your friends, brothers, sisters.
Steam Boilers, Engines, Nozzles & Turbines Mcqs (Total Quiz: 194)
MCQ: The temperature of flue gases at air heater outlet should be__________________?
- 100°C
- above dew-point temperature of flue gases
- below dew-point temperature of flue gases
- less than wet bulb temperature of flue gases
- above wet bulb temperature of flue gases
B
MCQ: In a recuperative air preheater, the heat is transferred____________________?
- from a metal wall from one medium to another
- from heating an itermediate material and then heating the air from this material
- by direct mixing
- heat is transferred by bleeding some gases from furnace
- none of the above
A
MCQ: With increase in load, convection superheater has_______________________?
- drooping characteristic
- linear characterisstic
- rising characteristic
- flat characteristic
- none of the above
C
MCQ: In which of the following boilers, the draught in furnace is increased by utilising exhaust steam from engine__________________?
- lancashire boiler
- locomotive boiler
- babcock and wilcox boiler
- cochran boiler
- benson boiler
B
MCQ: The heat loss in a boiler takes place in the form of________________?
- heat carried away by flue gases
- heat carried away by ash
- moisture present in fuel and steam formed by combustion of hydrogen in fuel
- radiation
- all of the above
E
MCQ: In forced circulation type boiler__________________?
- heating takes place at bottom and the water supplied at bottom gets converted into the mixture of steam bubbles and hot water which rise to drum
- water is supplied in drum and through down-comers located in atmospheric condition it passes to the water wall and rises to drum in the form of mixtur
- feed pump is employed to supplement natural circulation in water wall type furnace
- water is converted into steam in one pass without any recirculation
- water is heated in a large number of tubes
D
MCQ: The overall efficiency of thermal power plant is________________?
- boiler efficiency, turhine efficiecny, generator efficiency
- all the three above plus gas cycle efficiency
- carnot cycle efficiency
- regenerative cycle efficiency
- rankine cycle efficiency
A
MCQ: The radius of a dished head is taken approximately as______________________?
- one-fourth
- half
- one
- two
- three
C
MCQ: Thermal efficiency of a thermal power plant is of the order of___________________?
- 15%
- 20%
- 30%
- 45%
- 60%
C
MCQ: Pick up wrong statement about desired properties of a good fuel__________________?
- high calorific value
- produce minimum smoke and gases
- ease in storing
- high ignition point
- ecomomical
D