On volume basis, air contains following parts of oxygen _____________________?

Related Mcqs:

The unit of pressure in S.I. units is____________________?

A. kg/cm2 B. mm of water column C. pascal D. dynes per square cm E. bars...

Change in enthalpy of a system is the heat supplied at___________________?

A. constant pressure B. constant temperature C. constant volume D. constant entropy E. N.T.P. condition...

Change in enthalpy in a closed system is equal to heat transferred if the reversible process takes place at constant________________?

A. pressure B. temperature C. volume D. internal energy E. entropy...

The cycle in which heat is supplied at constant volume and rejected at constant pressure is known as_________________?

A. Dual combustion cycle B. Diesel cycle C. Atkinson cycle D. Rankine cycle E. Stirling cycle...

If a certain amount of dry ice is mixed with same amount of water at 80°C, the final temperature of mixture will be__________________?

A. 80°C B. 0°C C. 40°C D. 20°C E. 60°C...