Steam Boilers

A. remains same
B. increases
C. decreases
D. behaves unpredictably
E. none of the above

A. 0.1 kg/cm2
B. 1 kg/cm2
C. 100 kg/cm2
D. 225.6 kg/cm2
E. it is never possible

A. remains constant
B. increases
C. decreases
D. behaves unpredictably
E. none of the above

A. essentially an isentropic process
B. non-heat transfer process
C. reversible process
D. constant temperature process
E. constant enthalpy process

A. latent heat is zero
B. liquid directly becomes steam
C. specific volume of steam and liquid is same
D. this is the maximum pressure limit
E. all properties of liquid and steam are same

A. 421 kgm
B. 421 kgm
C. 539 kgm
D. 102 kgm
E. 75 kgm

A. evaporative capacity
B. factor of evaporation
C. equivalent evaporation
D. one boiler h.p.
E. boiler efficiency

A. heat transfer takes place across cylinder walls
B. work is done
C. steam may be wet, dry or superheated after expansion
D. all of the above
E. none of the above

A. horizontal fire-tube boiler
B. horizontal water-tube boiler
C. veritcal water-tube boiler
D. vertical fire tube boiler
E. forced circulating boiler

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