Month: January 2019

A. boiler effectiveness
B. boiler evaporative capacity
C. factor of evaporation
D. equivalent evaporation
E. boiler efficiency

A. steam evaporation rate per kg of fuel fired
B. work done in evaporating 1 kg of steam per hour from and at 100°C into dry saturated steam
C. the evaporation of 15.65 kg of water per hour from and at 100°C into dry saturated steam
D. work done by 1 kg of steam at saturation condition
E. heat consumed in evaporating 1 kg water at 0°C to steam at 100°C and 1.033 kg/cm pressure

A. in the drum
B. in the fire tubes
C. above steam dome
D. over the combustion chamber
E. at the inlet of chimney

A. one
B. two
C. one steam drum and one water drum
D. no drum
E. none of the above

A. throttling calorimeter
B. separating calorimeter
C. combined separating and throttling calorimeter
D. bucket calorimeter
E. none of the above

A. former is fire tube type and latter is water tube type boiler
B. former is water tube type and latter is fire tube type
C. former contains one fire tube and latter contains two fire tubes
E. none/of the above

A. horizontal straight line
B. vertical straight line
C. straight inclined line
D. curved line
E. none of the above

A. diverge from left to right
B. diverge from right to left
C. are equally spaced throughout
D. first rise up and then fall
E. none of the above

A. 78-81%
B. 81-85%
C. 85-90%
D. 90-95%
E. 95-100%.

A. boil
B. flash i.e. get converted into steam
C. remain as it was
D. cool down
E. none of the above