Mercury is a choice with steam in binary vapour cycle because it has____________?

A. higher critical temperature and pressure
B. higher saturation temperature than other fluids
C. relatively low vapourisation pressure
D. all above

Related Mcqs:

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...
The isentropic expansion of steam through nozzle for the steam initially superheated at inlet is approximated by equation__________?
A. pvls=C B. pv1126 = C C. pv1A = C D. pv = C...
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...
The ratio of exit pressure to inlet pressure of maximum mass flow rate per area of steam through a nozzle when steam is initially superheated is__________?
A. 0.555 B. 0.578 C. 0.5457 D. 0.6...
The isentropic expansion of steam through nozzle for the steam initially dry saturated at inlet is approximated by equation?
A. pv = C B. pv1A = C C. pv1i = C D. pv...
Steam turbines commonly used in steam power station are__________?
A. condensing type B. non-condensing type C. none of the above...
Steam pressure in a steam power station, which is usually kept now-a-days is of the order of____________?
A. 20 kgf/cm2 B. 50 kgf/cm2 C. 100 kgf/cm2 D. 150 kgf/cm2...
Rankine cycle efficiency of a good steam power plant may be in the range of____________?
A. 15 to 20 per cent B. 35 to 45 per cent C. 70 to 80 per cent D. 90 to 95 per ceut...
In a regenerative feed heating cycle, the optimum value of the fraction of steam extracted for feed heating________________?
A. decreases with increase in Rankine cycle efficiency B. increases with increase in Rankine cycle efficiency C. is unaffected by increase in Rankine cycle efficiency D. none of the above...
Reheat cycle in steam power plant is used to________________?
A. utilise heat of flue gases B. increase thermal efficiency C. improve condenser performance D. reduce loss of heat...