Steam Boilers, Engines, Nozzles and Turbines

A. 9.81 Joules
B. All Joules
C. 427 Joules
D. 102 Joules
E. 539 Joules

A. pulverising coal in inert atmosphere
B. heating wood in a limited supply of air at temperatures below 300GC
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-etts
E. enriching carbon in the coal

A. 225.65 kgf/cm2
B. 273 kgf/cm2
C. 100 kgf/cm2
D. 1 kgf/cm2
E. – 1 kgf/cm2

A. melting point rises slightly and boiling point drops markedly
B. melting point rises markedly and boiling point drops markedly
C. melting point drops slightly and boiling point drops markedly
D. melting point drops slightly and boiling point drops slightly
E. none of the above

A. linearly
B. rapidly first and then slowly
C. slowly first and then rapidly
D. inversely
E. none of the above

A. constant volume
B. constant temperature
C. constant pressure
D. constant entropy
E. constant enthaply

A. air present in atmosphere at NTP conditions
B. air required for complete combustion of fuel with no excess air
C. air required for optimum combustion so as to have reasonable excess air
D. air required to convert CO into C02
E. air required to form an explosive mixture

A. 0.1 to 0.2 kg
B. 0.2 to 0.4 kg
C. 0.6 to 0.8 kg
D. 1.0 to 1.5 kg
E. 1.5 to 2 kg

A. linearly
B. slowly first and then rapidly
C. rapidly first and then slowly
D. inversely
E. none of the above

A. Ps-Pa
B. pa-ps
C. Pa+P
D. non of these