Question { HPCL, 18494 }

what is second law of thermodyanamic

Answer

charles statement 'the engine cant design the available
heat energy fully converted into work with out loss '
kelvin statement" the heat cant flow itself from cold
region to hot region without adding work.

Question { TCE, 11041 }

The stage below saturation is called?
Cox chart is used in ....Distillation, evaporation, drying
r none?

Answer

A straight-line graph of the logarithm of vapor pressure
against a special nonuniform temperature scale; vapor
pressure-temperature lines for many substances intersect at
a common point on the Cox chart.


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Question { Welspun, 54767 }

what is critical speed of a turbine

Answer

The angular speed of rotating machinery at which excessive vibration is produced; at this speed the periodic disturbing force coincides with a mechanical resonance of the shaft and/or of the machinery or its supports.this effect in turbine is called critical speed of turbine

Question { Essar, 43710 }

What is cutt off ratio in IC Engines.give proper defination.

Answer

ratio between the end and start volume for the combustion phase