Stirling cycle consists of

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Stirling cycle consists of

A. Two constant volume and two isentropic processes

B. Two constant volume and two isothermal processes

C. Two constant pressure and two isothermal processes

D. One constant volume, one constant pressure and two isentropic processes

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When a system changes its state from one equilibrium state to another equilibrium state, then the path of successive states through which the system has passed, is known as

A. Thermodynamic law

B. Thermodynamic process

C. Thermodynamic cycle

D. None of these

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The intensity of stress which causes unit strain is called

A. Unit mass

B. Modulus of rigidity

C. Bulk modulus

D. Modulus of Elasticity

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The efficiency of Diesel cycle depends upon

A. Temperature limits

B. Pressure ratio

C. Compression ratio

D. Cut-off ratio and compression ratio

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In a reversible adiabatic process, the ratio of T1/T2 is equal to

A. (p₂/p₁)γ - 1/ γ

B. (p₁/p₂)γ - 1/ γ

C. (v₂/v₁)γ - 1/ γ

D. (v₁/v₂)γ - 1/ γ

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In a free expansion process,

A. W_{1 - 2} = 0

B. Q_{1 - 2} = 0

C. dU = 0

D. All of these

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In the below figure, the stress corresponding to point D is

A. Yield point stress

B. Breaking stress

C. Ultimate stress

D. Elastic limit

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The gas constant (R) is equal to the __________ of two specific heats.

A. Sum

B. Difference

C. Product

D. Ratio

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Elasticity of Mild Steel specimen is defined by

A. Hookes law

B. Yield point

C. Plastic flow

D. Proof stress

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When a bar is subjected to a change of temperature and its deformation is prevented, the stress induced in the bar is

A. Tensile stress

B. Compressive stress

C. Shear stress

D. Thermal stress

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The variables which control the physical properties of a perfect gas are

A. Pressure exerted by the gas

B. Volume occupied by the gas

C. Temperature of the gas

D. All of these

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The mass of flue gas per kg of fuel is the ratio of the

A. Mass of oxygen in 1 kg of flue gas to the mass of oxygen in 1 kg of fuel

B. Mass of oxygen in 1 kg of fuel to the mass of oxygen in 1 kg of flue gas

C. Mass of carbon in 1 kg of flue gas to the mass of carbon in 1 kg of fuel

D. Mass of carbon in 1 kg of fuel to the mass of carbon in 1 kg of flue gas

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The stress developed in a material at breaking point in extension is called

A. Breaking stress

B. Fracture stress

C. Yield point stress

D. Ultimate tensile stress

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Which of the following statement is correct?

A. The increase in entropy is obtained from a given quantity of heat at a low temperature.

B. The change in entropy may be regarded as a measure of the rate of the availability or unavailability of heat for transformation into work.

C. The entropy represents the maximum amount of work obtainable per degree drop in temperature.

D. All of the above

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Which of the following process can be made reversible with the help of a regenerator?

A. Constant pressure process

B. Constant volume process

C. Constant pvn process

D. All of these

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The amount of heat required to raise the temperature of the unit mass of gas through one degree at constant volume, is called

A. Specific heat at constant volume

B. Specific heat at constant pressure

C. Kilo Joule

D. None of these

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Which of the following cycles is not a reversible cycle?

A. Carnot

B. Ericsson

C. Stirling

D. None of the above

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Which of the following is a proper sequence?

A. Proportional limit, elastic limit, yielding, failure

B. Elastic limit, proportional limit, yielding, failure

C. Yielding, proportional limit, elastic limit, failure

D. None of the above

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The specific heat of water is

A. 1.817

B. 2512

C. 4.187

D. None of these

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When the gas is heated at constant volume, the heat supplied

A. Increases the internal energy of the gas and increases the temperature of the gas

B. Does some external work during expansion

C. Both (A) and (B)

D. None of these

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The maximum tangential stress in a thick cylindrical shell is always _________ the internal pressure acting on the shell.

A. Equal to

B. Less than

C. Greater than

D. None of these

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The heat supplied to the gas at constant volume is (where m = Mass of gas, c_v = Specific heat at constant volume, c_p = Specific heat at constant pressure, T₂ - T₁ = Rise in temperature, and R = Gas constant)

A. mR (T₂ - T₁)

B. mc_v (T₂ - T₁)

C. mc_p (T₂ - T₁)

D. mc_p (T₂ + T₁)

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The behaviour of super-heated vapour is similar to that of

A. Perfect gas

B. Air

C. Steam

D. Ordinary gas

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When cut-off ratio is __________ the efficiency of Diesel cycle approaches to Otto cycle efficiency.

A. Zero

B. 1/5

C. 4/5

D. 1

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The heating of gas at constant volume is governed by

A. Boyle's law

B. Charles' law

C. Gay-Lussac law

D. Avogadro's law

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In a steady flow process, the ratio of

A. Heat transfer is constant

B. Work transfer is constant

C. Mass flow at inlet and outlet is same

D. All of these

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One molecule of oxygen consists of __________ atoms of oxygen.

A. 2

B. 4

C. 8

D. 16

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One reversible heat engine operates between 1600 K and T2 K and another reversible heat engine operates between T2 K and 400 K. If both the engines have the same heat input and output, then temperature T2 is equal to

A. 800 K

B. 1000 K

C. 1200 K

D. 1400 K

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Producer gas is obtained by

A. Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast

B. Carbonisation of bituminous coal

C. Passing steam over incandescent coke

D. Passing air and a large amount of steam over waste coal at about 650°C

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When a gas is heated at constant volume

A. Its temperature will increase

B. Its pressure will increase

C. Both temperature and pressure will increase

D. Neither temperature nor pressure will increase

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Slenderness of a column is zero when

A. Ends are firmly fixed

B. Column is supported on all sides throughout the length

C. Length is equal to radius of gyration

D. Length is twice the radius of gyration

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Accepted Answer

B. Two constant volume and two isothermal processes

Stirling cycle consists of

Correct Answer :

Show all Strength of Materials MCQ

Related Questions

When a system changes its state from one equilibrium state to another equilibrium state, then the path of successive states through which the system has passed, is known as

The intensity of stress which causes unit strain is called

The efficiency of Diesel cycle depends upon

In a reversible adiabatic process, the ratio of T1/T2 is equal to

In a free expansion process,

In the below figure, the stress corresponding to point D is

The gas constant (R) is equal to the __________ of two specific heats.

Elasticity of Mild Steel specimen is defined by

When a bar is subjected to a change of temperature and its deformation is prevented, the stress induced in the bar is

The variables which control the physical properties of a perfect gas are

The mass of flue gas per kg of fuel is the ratio of the

The stress developed in a material at breaking point in extension is called

Which of the following statement is correct?

Which of the following process can be made reversible with the help of a regenerator?

The amount of heat required to raise the temperature of the unit mass of gas through one degree at constant volume, is called

Which of the following cycles is not a reversible cycle?

Which of the following is a proper sequence?

The specific heat of water is

When the gas is heated at constant volume, the heat supplied

The maximum tangential stress in a thick cylindrical shell is always _________ the internal pressure acting on the shell.

The heat supplied to the gas at constant volume is (where m = Mass of gas, c_v = Specific heat at constant volume, c_p = Specific heat at constant pressure, T₂ - T₁ = Rise in temperature, and R = Gas constant)

The behaviour of super-heated vapour is similar to that of

When cut-off ratio is __________ the efficiency of Diesel cycle approaches to Otto cycle efficiency.

The heating of gas at constant volume is governed by

In a steady flow process, the ratio of

One molecule of oxygen consists of __________ atoms of oxygen.

One reversible heat engine operates between 1600 K and T2 K and another reversible heat engine operates between T2 K and 400 K. If both the engines have the same heat input and output, then temperature T2 is equal to

Producer gas is obtained by

When a gas is heated at constant volume

Slenderness of a column is zero when

Also checkout

Stirling cycle consists of

Correct Answer :

Show all Strength of Materials MCQ

Related Questions

When a system changes its state from one equilibrium state to another equilibrium state, then the path of successive states through which the system has passed, is known as

The intensity of stress which causes unit strain is called

The efficiency of Diesel cycle depends upon

In a reversible adiabatic process, the ratio of T1/T2 is equal to

In a free expansion process,

In the below figure, the stress corresponding to point D is

The gas constant (R) is equal to the __________ of two specific heats.

Elasticity of Mild Steel specimen is defined by

When a bar is subjected to a change of temperature and its deformation is prevented, the stress induced in the bar is

The variables which control the physical properties of a perfect gas are

The mass of flue gas per kg of fuel is the ratio of the

The stress developed in a material at breaking point in extension is called

Which of the following statement is correct?

Which of the following process can be made reversible with the help of a regenerator?

The amount of heat required to raise the temperature of the unit mass of gas through one degree at constant volume, is called

Which of the following cycles is not a reversible cycle?

Which of the following is a proper sequence?

The specific heat of water is

When the gas is heated at constant volume, the heat supplied

The maximum tangential stress in a thick cylindrical shell is always _________ the internal pressure acting on the shell.

The heat supplied to the gas at constant volume is (where m = Mass of gas, cv = Specific heat at constant volume, cp = Specific heat at constant pressure, T2 - T1 = Rise in temperature, and R = Gas constant)

The behaviour of super-heated vapour is similar to that of

When cut-off ratio is __________ the efficiency of Diesel cycle approaches to Otto cycle efficiency.

The heating of gas at constant volume is governed by

In a steady flow process, the ratio of

One molecule of oxygen consists of __________ atoms of oxygen.

One reversible heat engine operates between 1600 K and T2 K and another reversible heat engine operates between T2 K and 400 K. If both the engines have the same heat input and output, then temperature T2 is equal to

Producer gas is obtained by

When a gas is heated at constant volume

Slenderness of a column is zero when

Also checkout

The heat supplied to the gas at constant volume is (where m = Mass of gas, c_v = Specific heat at constant volume, c_p = Specific heat at constant pressure, T₂ - T₁ = Rise in temperature, and R = Gas constant)