A. 0.1
B. 0.3
C. 0.5
D. 0.8
E. 1.0
A. 0.2
B. 0.8
C. 1.0
D. 0.6
E. 0.5
A. solid and vapour phases are in equi-librium
B. solid and liquid phases are in equilibrium
C. liquid and vapour phases are in equilibrium
D. solid, liquid and vapour phases are in equilibrium
E. none of the above
Sublimation region is the region where__________________? Read More »
Engines, Nozzles and Turbines, Steam Boilers A. the given boiler with the model
B. the two different boilers of the same make
C. two different makes of boilers operat¬ing under the same operating conditions
D. two boilers of same make but operaing under different conditions
E. any type of boilers operating under any conditions
The equivalent evaporation of a boiler is a measure to compare _________________? Read More »
Engines, Nozzles and Turbines, Steam Boilers A. 0°C
B. 100°C
C. saturation temperature at given pressure
D. room temperature
E. 20°C
A. 9.81 Joules
B. All Joules
C. 427 Joules
D. 102 Joules
E. 539 Joules
1 kg.m is equal to_________________? Read More »
Engines, Nozzles and Turbines, Steam Boilers 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
Coke is produced by__________________? Read More »
Engines, Nozzles and Turbines, Steam Boilers A. 225.65 kgf/cm2
B. 273 kgf/cm2
C. 100 kgf/cm2
D. 1 kgf/cm2
E. – 1 kgf/cm2
The critical pressure at which latent heat of vaporisation is zero is________________? Read More »
Engines, Nozzles and Turbines, Steam Boilers 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
For water, at pressures below atmospheric___________________? Read More »
Engines, Nozzles and Turbines, Steam Boilers A. linearly
B. rapidly first and then slowly
C. slowly first and then rapidly
D. inversely
E. none of the above
