Answer Posted / கி. சுந்தரம�

1. Water temperature safety, 2. oil pressure cage safety, 3. oil temperature safety, 4. earth safety, 5. emergency stop switch safety, 6. Shutdown coil safety, 7. Earth fault relay , 8. Winding temperature relay, 9. Over load triped relay, 10. Over speed cut of safety

Discuss the role of manganese in alloying steels?

1210

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What is the name given to portion of thermal energy to be necessarily rejected to environment ?

1060

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Which is the common element between brass and bronze ?

1176

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How can one estimate the flow from a centrifugal pump after an accident where the pipe attached to the pump discharge breaks? Extrapolate the characteristic pump curve to H=0?

1876

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what is advantage and disadvantage of forward curve and backward curve blade of an id fan impeller and FD fan impeller??

1667

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The graphite in grey irons exists in the form of flakes which act as stress-raisers under tensile loading and consequently grey irons have relatively low tensile strength and ductility. Still grey iron is extensively used in engineering. Why ?

1047

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What are you going to inspect or check when you open the crankcase?

2120

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current rating of a 3 phase dg set is 20 amp, but what will be the per phase current for single phase supply?

2242

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how does the lybrinth glands work in sealing a turbine? how exactly turbine sealing is done? principle of it?

2348

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For example, If raised PR (purchase request) of 1"inch ss pipe so what description in mention in purchase request?

1824

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What is a brake horsepower?

2201

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I am presently working as marine engineer on ship & I wish to settle on land. So can you please suggest any short term course with 100% job guarantee?

1857

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whats the coloring code of a air to open or a air to close valve?

1781

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Under what circumstances would there be an increase in pressure in a diver¬gent nozzle ?

1076

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how can i access syllabus of different psu.plZ help me

2264

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