[Download PDF] ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2017 Paper with Solutions

Instructions

For the following questions answer them individually

Question 1

An insulated rigid vessel contains a mixture of fuel and air. The mixture is ignited by a minute spark. The contents of vessel experience

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Question 2

The specific heat of ideal gas depend on

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Question 3

Thermal power plant works on

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Question 4

In an isothermal process, the internal energy of molecules

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Question 5

For reversible adiabatic process, change in entropy is

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Question 6

A cylinder contains 5 m$$^3$$ of an ideal gas at a pressure of 1. This gas is compressed in a reversible isothermal process till its pressure increases to 5 bar. The work in kJ
required for this process is

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Question 7

A steel ball of mass 1 kg and specific heat 0.4 kj/kg is at a temperature of 60 deg C. It is dropped into 1 kg of water at 20 deg C. The final steady temperature of water is

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Question 8

A Bell-Coleman cycle is a reversed

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Question 9

A free bar of length l is uniformly heated from $$0^\circ C$$ to a temperature $$t^\circ C$$. $$\alpha$$ is the coefficient of linear expansion and E is the modulus of elasticity. The stress in the bar is

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Question 10

The materials having same elastic properties in all directions are called

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CAT Content

ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2017

ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2017

An insulated rigid vessel contains a mixture of fuel and air. The mixture is ignited by a minute spark. The contents of vessel experience

The specific heat of ideal gas depend on

Thermal power plant works on

In an isothermal process, the internal energy of molecules

For reversible adiabatic process, change in entropy is

A cylinder contains 5 m$$^3$$ of an ideal gas at a pressure of 1. This gas is compressed in a reversible isothermal process till its pressure increases to 5 bar. The work in kJrequired for this process is

A steel ball of mass 1 kg and specific heat 0.4 kj/kg is at a temperature of 60 deg C. It is dropped into 1 kg of water at 20 deg C. The final steady temperature of water is

A Bell-Coleman cycle is a reversed

A free bar of length l is uniformly heated from $$0^\circ C$$ to a temperature $$t^\circ C$$. $$\alpha$$ is the coefficient of linear expansion and E is the modulus of elasticity. The stress in the bar is

The materials having same elastic properties in all directions are called

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A cylinder contains 5 m$$^3$$ of an ideal gas at a pressure of 1. This gas is compressed in a reversible isothermal process till its pressure increases to 5 bar. The work in kJ
required for this process is