Steam Boilers, Engines, Nozzles & Turbines Mcqs

Q.  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


ANSWER: See Answer
 
No explanation is available for this question!
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MCQs:  The dry saturated steam at very high pressure (150-200 kg/cm2) when throttled to atmosphere will become_______________?
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MCQs:  In a throttling process_________________?
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MCQs:  Latent heat of dry steam at atmospneric pressure is equal to____________________?
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MCQs:  At critical point, i.e. p=225.65 kg/cm2, the latent enthalpy of vaporisation is______________?
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MCQs:  In an experiment to determine dryness fraction of steam, the mass of water separated was 1.2 kg in 15 mts and the mass of steam passed out in same time was 4.8 kg. Dryness fraction is__________________?
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MCQs:  Heating wet steam at constant temperature is heating it at constant_________________?
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MCQs:  The state of vapour under saturation condition is described by_______________?
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MCQs:  Water boils when its vapour pressure ___________________?
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MCQs:  Equivalent evaporation of water is the evaporation “for a feed water supply at 100°C__________________?
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MCQs:  The increase in pressure _________________?
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MCQs:  Hygrometery deals with the_________________?
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MCQs:  Alkaline pyrogallate is used in Orsat’s apparatus for absorption of _________________?
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MCQs:  Efficiency of rankine cycle can be increased by_________________?
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MCQs:  Efficiency of a thermal cycle increases by ________________?
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MCQs:  Which of the following gases has the highest calorific value ________________?
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MCQs:  For burning 1 kg of carbon to CO as per chemically correct combusiton, amount of air required is___________________?
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MCQs:  The lenght of Cornish boiler is of the order of _________________?
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MCQs:  Steam engine operates on_________________?
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MCQs:  Water tube boilers are those in which________________?
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MCQs:  Lancashire boiler is of____________________?
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