A) uses same fluid twice B) uses two different vapours as working fluid C) uses fluid in liquid and vapour from D) uses a fluid at two pressures in the cycle. Ans : (B)
A) condenser B) economizers C) boiler D) super-heaters. Ans : (A)
A) heating value B) viscosity C) tendency to freeze during winter D) ignition and storage hazards. Ans : (D)
A) producing lumps of coal from fine powders with the help of a binder B) burning of coal in furnace C) heating of coil in absence of air, driving out CO2 and leaving behind the residue and carbon D) formation of lumps or masses of coke in boiler furnaces at high temperatures. Ans : (C)
A) super-heated steam at 10 kg/cm2 B) dry and saturated steam at 10 kg/s cm2 C) wet steam at 10 kg/cm2 D) none of the above. Ans : (C)
A) Turbine B) Super heater C) Boiler D) Condenser. Ans : (D)
A) torque B) speed C) compression ratio D) all of the above. Ans : (C)
A) minimizing combustibles is refuse and flue gas B) maintaining clean heat transfer surfaces C) control and limiting of air D) all of the above. Ans : (D)
A) nitrogen B) oxygen C) carbon dioxide D) carbon monoxide. Ans : (A)
A) water from condenser B) water from economizers C) steam from turbine D) steam from boiler. Ans : (A)