ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2017

Instructions

For the following questions answer them individually

Question 51

The air standard efficiency of a standard otto cycle for compression ratio of 5.5 is

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Question 52

The power actually developed by the engine cylinder of an I.C engine is known as

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Question 53

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

Video Solution

Question 54

Which of the following power plant is least polluting and causing least environmental concern?

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Question 55

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

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Question 56

In aircraft, air refrigeration is used because of

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Question 57

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

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Question 58

In Vapour compression system, the condition of refrigerant before passing through the condenser is

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Question 59

Lithium bromide in vapour absorption refrigeration system is used as

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Question 60

In refrigeration cycle, sub cooling occurs when

Video Solution

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ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2017

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 calorificvalue 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

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CAT Quant Questions | CAT Quantitative Ability

CAT DILR Questions | LRDI Questions For CAT

CAT Verbal Ability Questions | VARC Questions For CAT

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