what is the diffrent between centrifugal and positive displacement pump?

3 Answers  

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please send me previous question papers of rrb chennai applied for junior engineer in mechanical dept

0 Answers  

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Write the relation between EER , COP , SEER in airconditioning?

1 Answers   MGL,

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what is the function of Turbo Charger in DG Engine.

4 Answers  

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What will be the cause of high temperature in one cylinder of D/E?

1 Answers  

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Suppose a steel bar of cross sectional area A is subjected to load P at one end and 2P at the other end ,what will be the induced stress in the bar?

5 Answers   BARC,

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HOW IMPURTIES IN A METAL CRYSTAL AFFECT THE PROPERTIES OF METAL PATICULARLY ELECTRICAL ONES? GIVE BASIC REASON?

4 Answers   HAL, Power Grid,

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if the blade height is increased,then how it increases the specific speed of centrifugal pump?

0 Answers   Bhel,

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What is the difference between pipe and tube?

6 Answers   Bhel, NTPC,

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How curvature effect is consideed in spring design?

1 Answers  

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Why spheroidising is done for ball in the bearings?

2 Answers   Bhel,

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Why and what cause of leak fuel oil in high pressure pipe of main engine?

4 Answers  

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