which type of impellor has highest speed backward, forward, straight?

2 Answers  

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impact strength of an material is an index of its---?

1 Answers   AML, RRB,

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"In refrigeration, why during operations is running low pressure at the suction side?"

2 Answers   RRB,

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can anybody provide me the HPCL apptitude papers?am having the test on this feb 19th 2008 so plz

3 Answers   HPCL,

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What is the difference between scavenging and supercharging ?

0 Answers  

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Explain how to clean LO

0 Answers  

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Explain the difference between ferrite, austenite and graphite ?

0 Answers  

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Give five boiler mounting valves.

1 Answers   ABC Inc, Renault Nissan, RRB, Siemens,

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What is a diaphragm?

0 Answers  

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How much pressure on air reservoir?

0 Answers   RRB,

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In convection heat transfer, if heat flux intensity is doubled then temperature

0 Answers  

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What is the common source of leak in stern tube

0 Answers   RRB,

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