Use of pulverised coal in boilers provides____________________?

Related Mcqs:

Which of the following is a periodic furnace ?

A. Tunnel kiln B. Rotary kiln C. Soaking pit D. Reheating furnace...

Decarburisation of steel__________________?

A. Is the removal of carbon from iron carbide (Fe3C) B. Affects its crystalline structure C. Is favoured by CO2 D. All A., B. and C....

Pick out the wrong statement ?

A. Addition of methane to the furnace atmosphere reduces decarburising by hydrogen B. Nitrogen in presence of steam decor-burises high carbon steel, whereas hydrocarbon gases carburise the surface of steel at annealing temperatures C. Active nitrogen (formed by cracking ammonia at the metal surface) cause nitride formation with increase in surface hardness D. None of … Pick out the wrong statement ?Read More...

Which of the following advantages is not associated with the use of preheated air for combustion of a fuel in the furnace ?

A. Increase in calorific value of the fuel B. Increase in flame temperature C. Reduction in scale losses D. Saving in fuel consumption...

Fuel economy in furnaces can be achieved by_________________?

A. Using oxygen enriched combustion air B. Preheating the combustion air C. Reducing the heat loss through furnace openings & doors D. All A., B. and C....