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
Related Mcqs:
- 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 - Example of overfeed type stoker is___________?
A. chain grate
B. spreader
C. travelling grate
D. all of the above - Carnot cycle comprises of_______?
A. two isentropic processes and two constant volume processes
B. two isentropic processes and two constant pressure processes
E. two isothermal processes and three constant pressure processes
D. none of the above - The draught which a chimney produces is called_____________?
A. induced draught
B. natural draught
C. forced draught
D. balanced draught - Artificial draught is produced by______________?
A. induced fan
B. forced fan
C. induced and forced fan
D. all of the above - The effect of considering friction losses in steam nozzle for the same pressure ratio leads to________?
A. increase in exit velocity from the nozzle
B. decrease in exit velocity from the nozzle
C. no change in exit velocity from the nozzle
D. increase or decrease depending upon the exit quality of steam - Steam turbines are governed by the following methods_____________?
A. Throttle governing
B. Nozzle control governing
C. By-pass governing
D. all of the above - Caking coals are those which__________?
A. burn completely
B. burn freely
C. do not form ash
D. form lumps or masses of coke - Which material is used to made a solar cell_______________?
A. aluminum
B. Germanium
C. silicon
D. scandium - In hydro power plant, the graph between discharge and time is known as___________?
A. monograph.
B. load graph.
C. discharge graph.
D. hydro graph
