Power Plant Engineering Set 1

30° ✘ 60° ✘ 80° ✘ 90° ✔

equal to diesel power station ✘ more than diesel power station ✘ less than diesel power station ✘ none of the above ✔

induced fan ✘ forced fan ✘ induced and forced fan ✘ all of the above ✔

steam and cooling water mix to give the condensate ✘ cooling water passes through the tubes and steam surrounds them ✘ steam passes through the cooling tubes and cooling water surrounds them ✘ all of the above varying with situation ✔

1 to 5% ✘ 4 to 10% ✘ 10 to 12% ✘ 8 to 12% ✔

primary air ✘ secondary air ✘ tertiary air ✘ none of the above ✔

isentropic heat drop to useful heat drop ✘ adiabatic heat drop to isentropic heat drop ✘ cumulative actual enthalpy drop for the stages to total is isentropic enthalpy heat drop ✘ none of the above ✔

reaction steam turbine ✘ pressure velocity compounded steam turbine ✘ pressure compounded impulse steam turbine ✘ velocity compounded impulse steam turbine ✔

higher critical temperature and pressure ✘ higher saturation temperature than other fluids ✘ relatively low vapourisation pressure ✘ all above ✔

exhaust gases ✘ heaters ✘ draining steam from the turbine ✘ all above ✔