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

Related Mcqs:

If partial pressure of air and steam be pa and ps respectively in a condenser, then according to Dalton’s law, the pressure in condenser is equal to__________________?

A. Ps-Pa B. pa-ps C. Pa+P D. non of these...

Efficiency of a thermal cycle increases by ________________?

A. regeneration B. reheating of steam C. both A. and B. D. cooling of steam E. none of the above...

The crown of the fire box is made hemispherical in order to___________________?

A. give maximum space B. give maximum strength C. withstand pressure inside boiler , D. resist intense heat in fire box E. enable easy,manufacture...

Boiler H.P. is defined as the ________________ ?

A. steam evaporation rate per kg of fuel fired B. work done in evaporating 1 kg of steam per hour from and at 100°C into dry saturated steam C. the evaporation of 15.65 kg of water per hour from and at 100°C into dry saturated steam D. work done by 1 kg of steam at … Boiler H.P. is defined as the ________________ ?Read More...

Primary air is the air used to__________________?

A. provide air around burners for obtaining optimum combustion B. transport and dry the coal C. convert CO (formed in lower zone of furnace) into C02 at higher zone D. air-delivered by forced draft fan E. none ot the above...