THIS IS HARI PRASAD. I KNOW THAT HVAC MEANS HEATING VENTILATION & AIR- CONDITIONING. I NEED DESIGN CONSIDERATION OF HVAC UNIT.

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Pls tell me the diff bw impulse turbine and reaction turbine

0 Answers   Essar,

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What is a manometer and give an example of its application

1 Answers   RRB,

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What is the measuring unit of tensile strength in Gray cast iron ?

2 Answers   Mico,

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What is the critical temperature of a refrigerant ?

0 Answers  

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What is mean by Resistance welding

4 Answers   Toyota,

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If a 2 kg rubber is dropped in 8 kg water container(water will not come out from the container), what will be the total weight- incase when the rubber sinks in the water and when the rubber floats on the water?

2 Answers   Hero Honda,

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is there any limit to step up the voltage in transformer???

1 Answers  

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Please send rrb je mechanical question and answers model

0 Answers   RRB,

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Define emissivity.

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Why do 4 stroke engine uses valves while 2 stroke engine uses ports ????

4 Answers  

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What does thermal diffusivity of metals signify.

0 Answers  

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