The draught (in mm of water), for maximum discharge of flue gases thr – McqOptions

MCQOPTIONS

1.	The draught (in mm of water), for maximum discharge of flue gases through the chimney, is given by (where H = Height of the chimney in meters, and T1 = Absolute temperature of air outside the chimney in K)
A.	T1 /88.25H
B.	88.25H/T1
C.	T1 /176.5H
D.	176.5H/T1
Answer» E.

Discussion

No Comment Found

Related MCQs

A single ended Scotch marine steam boiler may have one to four furnaces which enter from front end of the boiler.
The fire tubes in a Cochran boiler usually have __________ diameter.
A device used to heat feed water by utilising the heat in me exhaust flue gases before leaving through the chimny, is known as
A Cochran boiler is a horizontal multi-tubular boiler.
Which of the following is required for a steam condensing plant ?
Locomotive boiler produces steam at a very high rate.
The ratio of heat actually used in producing the steam to the heat liberated in the furnace is known as equivalent evaporation from and at 100° C.
A condenser maintains a low pressure (below atmospheric) so as to obtain the maximum possible energy from steam and thus to secure a high efficiency.
In a La-mont boiler, there is a __________ circulation of water and steam.
The internal flue tubes of a Lancashire boiler are reduced in diameter at the back to provide access to the lower part of the boiler.