What causes damage to impellers?

3 Answers   RRB,

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is it necessory to use heat exchanger in case of water cooled chillers & cooling towers?????

3 Answers  

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Difference be betwin Fe-500 as per IS 226-1975 & IS 2062-2006

0 Answers  

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A superconductor is a

4 Answers   Bhel,

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hi friends any body please help me i am going to write rrb examination for tecnical trade mech. pls tell me perfect authour name and publicataions for rrb objective type mech engg or any other options to prepare

2 Answers   IUAC, RRB,

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1. Mass of water is 100 lit. & Its initial temperature is 40ºC. Find the capacity of refrigerating machine (Ton of refrigeration) when it is converted in to 0 ºC ice, within 2 hours.

1 Answers  

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Explain what is torque?

0 Answers  

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How can we calculate the per hour productivity of a hydraulic rock breaker,for excavator..

0 Answers  

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What are some mechanical laboratory apparatuses?

0 Answers  

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Why we need two angle of projections ( 1st angle and 3rd angle)? Cant we standardize to one.

2 Answers   Hyundai,

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What is MVA, KVA, X-mer ?

1 Answers  

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What is BMS?

3 Answers  

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