Which of the following shows the relationship of the steam consumption and the load of steam turbine -generator?

• Dalton's line

• Willan's line

• Jonval's line

• Rankine line

The isentropic efficiency of a turbine is given by

• the ratio of actual to ideal energy extracted

• the ratio of actual of ideal energy inputted

• the ratio of ideal to actual energy extracted

• None of the choices

One of the following tasks which is an example of preventive maintenance is

• cleaning the cup on a rotary cup burner

• cleaning a completely clog oil strainer

• replacing a leaking valve

• replacing a blown fuse

When the number of reheat stages in a reheat cycle is increased, the average temperature

• increases

• decreases

• is constant

• is zero

A simultaneous generation of electricity and steam (or heat) in a single power plant.

• Gas turbine

• Steam turbine

• Waste heat recovery

• Cogeneration

Is one whose pressure is higher than the saturation pressure corresponding to its temperature.

• Compressed liquid

• Saturated liquid

• Saturated vapor

• Superheated vapor

What is commonly used done to system when the turbine has excessive moisture?

• Frosting

• Diffusing

• Reheating

• Dehumidifying

Total solid impurities in feed water for a boiler depend upon

• boiler pressure

• quantity of steam to be generated

• type of fuel available

• quantity of steam

A high pressure chamber or a device in which the paths of rapidly moving particles can be observed and photographed.

• Cloud Chamber

• Combustion chamber

• Fission chamber

• Air chamber

The water level inside the boiler is indicated by the

• Baffles

• Fusible Plug

• Water walls

• Water Column