A. steam in pipes surrounded by water
B. water in pipes surrounded by steam
C. either A. or (b)
D. none of the above
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 - In a surface condenser if air is removed, there is___________?
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 - In jet type condensers___________?
A. cooling water passes through tubes and steam surrounds them
B. steam passes through tubes and cooling water surrounds them
C. steam and cooling water mix
D. steam and cooling water do not mix - Example of overfeed type stoker is___________?
A. chain grate
B. spreader
C. travelling grate
D. all of the above - The main source of production of biogas is__________________?
A. human waste
B. wet cow dung
C. wet livestock waste
D. all above - The maximum percentage gain in Regenerative feed heating cycle thermal efficiency____________?
A. increases with number of feed heaters increasing
B. decreases with number of feed heaters increasing
C. remains same unaffected by number of feed heaters
D. none of the above - The pressure at the furnace is minimum in case of___________?
A. forced draught system
B. induced draught system
C. balanced draught system
D. natural draught system - Steam turbines commonly used in steam power station are__________?
A. condensing type
B. non-condensing type
C. none of the above - Load factor of a power station is defined as____________?
A. maximum demand/average load
B. average load x maximum demand
C. average load/maximum demand
D. none of the above
