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For the following questions answer them individually
The air standard efficiency of a standard otto cycle for compression ratio of 5.5 is
The power actually developed by the engine cylinder of an I.C engine is known as
In a boiler, feed water is supplied per hour is 205 kg while coal fired per hour is 23 kg. Net enthalpy rise per kg of water is 145 kJ for conversion to steam. If the calorific
value of coal is 2050 kJ/kg, boiler efficiency will be
Which of the following power plant is least polluting and causing least environmental concern?
A diesel power station has fuel consumption of 0.2 kg per kWh. If the calorific value of diesel is 11000 kcal per kg, overall efficiency of power station is
In aircraft, air refrigeration is used because of
A reversible engine has ideal thermal efficiency of 30%. When it is used as refrigerating machine with all other conditions unchanged, the coefficient of performance will be
In Vapour compression system, the condition of refrigerant before passing through the condenser is
Lithium bromide in vapour absorption refrigeration system is used as
In refrigeration cycle, sub cooling occurs when
Day-wise Structured & Planned Preparation Guide
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