A. 700 W/m2
B. 800 W/m2
C. 1 kW/m2
D. 2 kW/m2
Related Mcqs:
- The efficiency of chimney is approximately______________?
A. 80%
B. 40%
C. 20%
D. 0.25% - In fuel cell, the ___________ energy is converted into electrical energy?
A. mechanical
B. chemical
C. heat
D. sound - The commercial sources of energy are____________?
A. solar, wind and biomass
B. fossil fuels, hydropower and nuclear energy
C. wood, animal wastes and agriculture wastes
D. none of the above - Solar thermal power generation can be achieved by_______________?
A. using focusing collector or heliostates
B. using flat plate collectors
C. using a solar pond
D. any of the above system - The draught produced by steel chimney as compared to that produced by brick chimney for the same height is_____________?
A. less
B. more
C. same
D. may be more or less - For the induced draught the fan is located_______________?
A. near bottom of chimney
B. near bottom of furnace
C. at the top of the chimney
D. anywhere permissible - 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 - The maximum length of a screw conveyer is about___________?
A. 30 metres
B. 40 metres
C. 60 metres
D. 100 metres - Blowing down of boiler water is the process_____________?
A. to reduce the boiler pressure
B. to increase the steam temperature
C. to control the solid concentration in the boiler water by removing some of the concentrated saline water
D. none of the above - One kilowatt hour is equal to_________?
A. 532 k cal.
B. 735 k cal.
C. 746 k cal.
D. 860 k cal.
