sum
difference
product
ratio
lightest
heaviest
zero
none of these
constant pressure cycle
constant volume cycle
constant temperature cycle
constant temperature and pressure cycle
p v = constant, if T is kept constant
v/T = constant, if p is kept constant
p/T = constant, if v is kept constant
T/p = constant, if v is kept constant
partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast
carbonisation of bituminous coal
passing steam over incandescent coke
passing air and a large amount of steam over waste coal at about 650 Degree Centigrade