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
A. 373°K
B. 273.16°K
C. 303°K
D. 0°K
E. 300°K
A. less
B. more
C. equal
D. may be less or more depending on temperature
E. unpredictable
Carbonation of coal is the process of________________________?
A. pulverising coal in inert atmosphere
B. heating wood in a limited supply of air at temperatures below 300°C
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-ettes
E. enriching carbon in the coal
Heating of dry steam above saturation temperature is known as_____________________?
A. enthalpy
B. superheating
C. supersaturation
D. latent heat
E. super tempering
The specific volume of steam with increase in pressure decreases_____________________?
A. linearly
B. slowly first and then rapidly
C. rapidly first and then slowly
D. inversely
E. none of the above