Power Systems Objective Questions & Answers – Set 21

Maximum efficiency of modern coal fired steam raising thermal power plants is restricted to about 035 (a low value), mainly because of

The modern trend in electric power generation

In a regenerative cycle, feed water is heated by

Deaerative heating is done to

Carnot cycle comprises of

Which of the following plants has the maximum capital cost

Binary vapor cycle are used for

Operating cost of thermal power station is

Gas turbine power plants for maximum efficient may have

In Rankine cycle, the work output from a turbine is given by

The steam power plant efficiency can be improved by

Rankine cycle efficiency of a steam power plant is of

Which of following power plants is free from environmental problem

Reheat cycle in thermal power plant is used to

In a steam power plant, the feed water coming to the economizer is heated plant the feed water coming to the economizer is heated using

Mercury is choice with steam in binary vapor cycle because

Pipes carrying steam are generally of

In a thermal power plants, pressure in the working fluid cycle is developed by

The overall efficiency of a steam power plant equal to

Which of the following contributes to the Rankine cycle efficiency improvement in a thermal power plant