A. fall in absolute pressure maintained in condenser
B. rise in absolute pressure maintained in condenser
C. no change in absolute pressure in the condenser
D. rise in temperature of condensed steam
Related Mcqs:
- The thermal efficiency of the engine with condenser as compared to without condenser, for a given pressure and temperature of steam, is_____________?
A. higher
B. lower
C. same as long as initial pressure and temperature is unchanged
D. none of the above - In a steam power plant, the function of a condenser is__________?
A. to maintain pressure below atmospheric to increase work output from the primemover
B. to receive large volumes of steam exhausted from steam prime mover
C. to condense large volumes of steam to water which may be used again in boiler
D. all of the above - Evaporative type of condenser has___________?
A. steam in pipes surrounded by water
B. water in pipes surrounded by steam
C. either A. or (b)
D. none of the above - Primary air is that air which is used to_____________?
A. reduce the flame length
B. increase the flame length
C. transport and dry the coal
D. provide air around burners for get¬ting optimum combustion - Secondary air is the air used to______________?
A. reduce the flame length
B. increase the flame length
C. transport and dry the coal
D. provide air round the burners for getting optimum combustion - For the same draught produced the power of induced draught fan as compared to forced draught fan is___________?
A. less
B. more
C. same
D. not predictable - The ratio of exit pressure to inlet pressure for maximum mass flow rate per unit area of steam through a nozzle when steam is initially dry saturated is___________?
A. 0.6
B. 0.578
C. 0.555
D. 0.5457 - Parson’s turbine is___________?
A. pressure compounded steam turbine
B. simple single wheel, impulse steam turbine
C. simple single wheel reaction steam turbine
D. multi wheel reaction steam turbine - Load center in a power station is___________?
A. center of coal fields
B. center of maximum load of equipments
C. center of gravity of electrical system - Example of overfeed type stoker is___________?
A. chain grate
B. spreader
C. travelling grate
D. all of the above
