Heat transfer to the water wall in a high pressure water wall type boiler furnace is mainly by_________________?

Related Mcqs:

Which of the following is not a principal alloying element for the structural steel ?

A. Molybdenum B. Nickel C. Manganese D. Chromium...

Which of the following is an undesirable property of slag produced during the Pyrometallurgical method of metal extraction from its ore ?

A. High fusibility & fluidity B. High thermal conductivity C. Low density D. High chemical activity...

The most important requirement for aluminium industry is the availability of cheap _______________?

A. Ore B. Electrical power C. Labour D. Abundant water...

Ultimate strength in tension as compared to that in shear for steel is____________________?

A. Half B. One third C. One and half times D. One fourth...

The approximate height of a blast furnace having a useful volume of 2000 m3 is about _______________ metres ?

A. 25 B. 35 C. 55 D. 75...