In ordetjo obtain superheated steam, a superheater is added in an existing boiler. As as result, furnace vacuum will _________________?

Related Mcqs:

The lenght of Cornish boiler is of the order of _________________?

A. 2-4 m B. 3-5 m C. 5-7.5 m D. 7-9 m E. 9-11 m...

Which of the following varieties of coals is mostly used in steam boilers____________________?

A. non-coking bituminous coal B. brown coal C. peat D. coking bituminous coal E. none of the above...

Pick up the wrong statement about critical condition of steam___________________?

A. latent heat is zero B. liquid directly becomes steam C. specific volume of steam and liquid is same D. this is the maximum pressure limit E. all properties of liquid and steam are same...

Tertiary air is the air used to____________________?

A. provide air around burners for obtaining optimum combustion B. transport and dry the coal C. cool the scanners D. supply air for ignitors E. convert CO (formed in lower zone of furnace) into C02 at higher zone...

The maximum discharge through a chimney occurs when the height of chimney is_____________________?

A. infinitely long B. around 200 meters C. equal to the height of the hot gas column producing draught D. outside temperature is very low E. more than the tallest building nearby...