MCQs of Conventional Generation, Load Curves and Tariffs (Power System - I - 3140914)

Showing 201 to 210 out of 425 Questions

201.

The draught produced by a chimney is called the

202.

The draught produced by steel chimney in comparison to that produced by brick chimney, for the same height, is

203.

Artificial draught is produced by

204.

For the same draught produced the power of forced draught fan, in comparison to that of induced draught fan, is

205.

The artificial draught is usually designed to produce

(a)	More draught
(b)	Less smoke
(c)	Low temperature of chimney gas
(d)	All of above

206.

The draught produced by a chimney of a given height at a given outside temperature

(a)	Decreases with the increase in temperature of chimney gases
(b)	Increases with the increase in temperature of chimney gases
(c)	Remains unchanged irrespective of temperature of chimney gases
(d)	May increase or decrease

207.

The natural draught

(a)	Is provided by a chimney
(b)	Is used in small steam boilers
(c)	Can also be used in large steam boilers of economizers and preheaters have been used
(d)	Both (a) and (b)

208.

The magnitude of natural draught depends upon

(a)	Average temperature differences between flue gases within the chimney and the outside air
(b)	Height of the chimney above the furnace grate level
(c)	Weather and operating conditions
(d)	All of above

209.

For forced draught the blower is located

210.

The height of chimney, in a steam power stations, is governed by

(a)	The draught to be produced
(b)	The quantity of flue gases being produced
(c)	Pollution control
(d)	All of above

Showing 201 to 210 out of 425 Questions