Related Questions

Reheat factor in steam turbines depends on
A exit pressure only
B stage efficiency only
C initial pressures and temperature only
D all of the above
In steam turbines the reheat factor
A increases with the increase in number of stages
B decreases with the increase in number of stages
C remains same irrespective of number of stages
D none of the above
The pressure of reheat steam after passing through reheater compared to inlet condition is
A More
B Less
C Equal
D May be more or less depending on capacity of reheater
A steam turbine, in which a part of the steam after partial expansion, is used for process heating and the remaining steam is further expanded for power generation, is known as
A Back pressure turbine
B Pass out turbine
C Low pressure turbine
D Impulse turbine
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 steam engine, superheated steam from the boiler is fed into the steam chest at a pressure of
A 10 atmospheres
B 20 atmospheres
C 30 atmospheres
D 40 atmospheres
Steam reforming of naphtha is a source of hydrogen production for nitrogeneous fertiliser industry. What is the usual ratio of steam to carbon maintained in the process of steam reforming of naphtha?
A 1.5:1
B 3.5:1
C 10:1
D 15:1
The electric power generation cost in nuclear power plant is less than that in a coal based thermal power plant, mainly because the
A Fuel cost per unit power generated is less
B Thermal efficiency of the former is higher
C Maintenance cost of the former is less
D None of these
Thermodynamic cycle involved in the working of a thermal power plant is the __________ cycle.
A Joule
B Carnot
C Rankine
D Brayton
The reheat factor is the ratio of the
A Cumulative heat drop to the isentropic heat drop
B Isentropic heat drop to the heat supplied
C Total useful heat drop to the total isentropic heat drop
D None of the above

Next steps