A. 539 kcal/kg
B. 539 BTU/lb
C. 427 kcal/kg
D. 100 kcal/kg
E. 471 kcal/kg
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Related Mcqs:
- The latent heat of steam at pressures greater than atmospheric in comparison to latent heat at atmospheric pressure is__________________?
- A. less B. more C. equal D. may be less or more depending on temperature E. unpredictable...
- The latent heat of steam with increase of pressure__________________?
- A. remains same B. increases C. decreases D. behaves unpredictably E. none of the above...
- One kg of steam sample contains 0.8 kg dry steam; it’s dryness fraction is__________________?
- A. 0.2 B. 0.8 C. 1.0 D. 0.6 E. 0.5...
- The critical pressure at which latent heat of vaporisation is zero is________________?
- A. 225.65 kgf/cm2 B. 273 kgf/cm2 C. 100 kgf/cm2 D. 1 kgf/cm2 E. – 1 kgf/cm2...
- The pressure at which latent heat of vaporisation of water is zero, is_________________?
- A. below atmospheric pressure B. 1 kg/cm2 C. 100 kg/cm2 D. 170 kg/cm2 E. 225.6 kg/cm2...
- If partial pressure of air and steam be pa and ps respectively in a condenser, then according to Dalton’s law, the pressure in condenser is equal to__________________?
- A. Ps-Pa B. pa-ps C. Pa+P D. non of these...
- The dry saturated steam at very high pressure (150-200 kg/cm2) when throttled to atmosphere will become_______________?
- A. wet B. superheated C. remain dry saturated D. dry E. none of the above...
- The dry saturated steam at very low pressure, (5-10 kg/cm2) when throttled to atmosphere will become________________?
- A. wet B. superheated C. remain dry satruated D. dry E. none of the above...
- Expanding steam to a very low pressure (high vacuum) in steam engines is _________________?
- A. desirable B. economical C. essential D. optional E. uneconomical...
- The ratio of heat utilised to produce steam and the heat liberated in furnace is known as___________________?
- A. boiler effectiveness B. boiler evaporative capacity C. factor of evaporation D. equivalent evaporation E. boiler efficiency...
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