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
Binary’vapour cycles are used to_____________?
A. increase the performance of the condenser
B. increase the efficiency of the plant
C. increase efficiency of the turbine
Which of the following load is responsible for lower power factor of supply system__________?
A. induction motors
B. resistive loads
C. synchronous Motors
D. all of the above
Pipes carrying steam are generally made up of_____________?
A. steel
B. cast iron
C. copper
D. aluminium
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
Which of the following power plant has least efficiency_________?
A. Nuclear power plant
B. Hydro power plant
C. Steam power plant
D. Diesel power plant
TravelUng grate stoker can burn coals at the rates of____________?
A. 50—75 kg/m per hour
B. 75—100 kg/m per hour
C. 100—150 kg/m per hour
D. 150—200 kg/m2 per hour