02 content in atmospheric air on volume basis is___________________?

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...

For burning 1 kg of carbon to CO as per chemically correct combusiton, amount of air required is___________________?

A. 1 kg B. 4/3kg C. 8/3kg D. 2 kg E. 16/3 kg...

Locomotive type’ boiler is__________________?

A. horizontal multitubular water tube boiler B. water wall enclosed furnace type C. vertical tubular fire tube type D. horizontal multi-tubular fire tube type E. none of the above types...

Fusible plug for boilers is made of fusible metal containing tin, lead, and___________________?

A. bismuth B. copper C. aluminium D. nickel E. iron...

Heating value of fuel used is as on fired basis. If it is reported for dry or moisture free fuel, then latter should be multiplied by the following factor to correct for as fired value ___________________?

A. (1- moisture content) B. (1 + moisture content) C. 1 + moisture content D. 1 – moisture content...