The diameter of internal flue tubes in a Lancashire boiler compared to its shell is_________________?

Related Mcqs:

Coke is produced by__________________?

A. pulverising coal in inert atmosphere B. heating wood in a limited supply of air at temperatures below 300GC C. strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel D. binding the pulverised coal into brick-etts E. enriching carbon in the coal...

The high pressure boiler is oiie producing steam at a pressure more than_________________?

A. atmospheric pressure B. 5 kg/cm2 C. 10 kg/cm2 D. 40 kg/cm2 E. 75-80 kg/cm2...

Orsat meter is used for__________________?

A. gravimetric analysis of the flue gases B. volumetric analysis of the flue gases C. mass flow of the flue gases D. measuring smoke density of flue gases E. none of the above...

Evaporative capacity of boiler is expressed as____________________?

A. kg of steam produced B. steam pressure produced C. kg of fuel fired D. kg of steam produced per kg of fuel fifed E. kg of water evaporated...

Gusset stays in a boiler are provided to____________________?

A. prevent the bulging of flat surfaces B. avoid explosion in furnace C. prevent leakage of hot flue gases D. support furnace freely from top E. prevent atmospheric air leaking into furnace...