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Steam Boilers QUESTIONS AND ANSWERS

Mechanical Engineering : Steam Boilers QUESTIONS AND ANSWERS :: part1 : 11 to 15

Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

11.If a steam sample is nearly in dry condition, then its dryness fraction can be most accurately determined by

throttling calorimeter

separating calorimeter

combined separating and throttling calorimeter

bucket calorimeter

none of the above.

12.One kg of steam sample contains 0.8 kg dry steam; it's dryness fraction is

0.2

0.8

1.0

0.6

0.5.

13.A wet vapour can be completely specified by

pressure only

temperature only

dryness fraction only

specific volume only

pressure and dryness fraction.

14.If xx and x2 be the dryess fractions obtained in separating calorimeter and throttling calorimeter respectively, then the actual dryness fraction of steam will be

xxx2

x, + x2

xxx2

The specific heat of superheated steam in kcal/kg is generally of the order of

opt 5

15.Sublimation region is the region where

solid and vapour phases are in equilibrium

solid and liquid phases are in equilibrium

liquid and vapour phases are in equilibrium

solid, liquid and vapour phases are in equilibrium

none of the above.

More Steam Boilers QUESTIONS AND ANSWERS available in next pages