Steam Boilers, Engines, Nozzles and Turbines

A. 1 kg/cm
B. 6 kg/cm
C. 17 kg/cm2
D. 100 kg/cm2
E. 250 kg/cm2

A. increases
B. decreases
C. remains unaffected
D. first increases and then decreases
E. first decreases and then increases

A. increases
B. decreases
C. remains unaffected
D. first increases and then decreases
E. unpredictable

A. 100 kg/cm2 and 540°C
B. 1 kg/cm2 and 100°C
C. 218 kg/cm2 abs and 373°C
D. 218 kg/cm2 abs and 540°C
E. 100 kg/cm2 abs and 373°C

A. unburnt carbon in ash
B. incomplete combustion
C. ash content
D. flue gases
E. radiation losses

A. induced draft fan and chimney
B. induced draft fan and forced draft fan
C. forced draft fan and chimney
D. any one of the above
E. none of the above

A. kg of steam produced
B. steam pressure produced
C. kg of fuel fired
D. kg of steam produced per kg of fuel fifed
E. kg of water evaporated

A. better burning
B. more calorific value
C. less radiation loss
D. medium sized units
E. stoker fired boilers

A. smoky chimney exit
B. excess air in flue gases
C. measuring carbon mono-oxide in flue gases
D. measuring temperature of flue gases at exit of furnace
E. measuring oxygen in flue gases

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