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Engineering
Mechanical
ME Set-1
Steam Nozzles and Turbines
44

Steam Nozzles and Turbines MCQ with Answers

44) The steam enters the nozzle at a

high pressure and a low velocity

high pressure and a high velocity

low pressure and a low velocity

low pressure and a high velocity

Answer is:

high pressure and a low velocity

Steam Nozzles and Turbines MCQ with Answers

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Related Steam Nozzles and Turbines MCQ with Answers

45) The difference of supersaturated temperature and saturation temperature at that pressure is called

degree of supersaturation

degree of superheat

degree of undercooling

none of these

Answer is:

degree of undercooling

46) The ratio of the useful heat drop to the isentropic heat drop is called

condenser efficiency

nozzle efficiency

boiler efficiency

vacuum efficiency

Answer is:

nozzle efficiency

47) The efficiency of steam turbines may be improved by

reheating of steam

regenerative feed heating

binary vapour plant

any one of these

Answer is:

any one of these

48) In a reaction turbine, when steam flows through the fixed blades,

pressure increases while velocity decreases

pressure decreases while velocity increases

pressure and velocity both decreases

pressure and velocity both increases

Answer is:

pressure decreases while velocity increases

Steam Nozzles and Turbines MCQ with Answers

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