Which of the following is a reversible non-flow process?

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Which of the following is a reversible non-flow process?

A. Isochoric process

B. Isobaric process

C. Hyperbolic process

D. All of these

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Otto cycle consists of following four processes

A. Two isothermals and two isentropic

B. Two isentropic and two constant volumes

C. Two isentropic, one constant volume and one constant pressure

D. Two isentropic and two constant pressures

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For the same compression ratio, the efficiency of dual combustion cycle is

A. Greater than Diesel cycle and less than Otto cycle

B. Less than Diesel cycle and greater than Otto cycle

C. Greater than Diesel cycle

D. Less than Diesel cycle

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The efficiency of the Carnot cycle may be increased by

A. Increasing the highest temperature

B. Decreasing the highest temperature

C. Increasing the lowest temperature

D. Keeping the lowest temperature constant

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Otto cycle consists of

A. Two constant volume and two isentropic processes

B. Two constant pressure and two isentropic processes

C. Two constant volume and two isothermal processes

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

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Petrol is distilled at

A. 65° to 220°C

B. 220° to 345°C

C. 345° to 470°C

D. 470° to 550°C

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An open cycle gas turbine works on

A. Carnot cycle

B. Otto cycle

C. Joule's cycle

D. Stirling cycle

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When a gas is heated, change takes place in

A. Pressure

B. Volume

C. Temperature

D. All of these

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Which of the following has the highest calorific value?

A. Peat

B. Lignite

C. Bituminous coal

D. Anthracite coal

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Otto cycle is also known as

A. Constant pressure cycle

B. Constant volume cycle

C. Constant temperature cycle

D. Constant temperature and pressure cycle

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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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Efficiency of a riveted joint is the ratio of its strength (max. load it can resist without failure) to the strength of the un-punched plate in

A. Tension

B. Compression

C. Bearing

D. Any one of the above

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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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According to Euler's column theory, the crippling load for a column of length (l) with one end fixed and the other end free is __________ the crippling load for a similar column hinged at both the ends.

A. Equal to

B. Less than

C. More than

D. None of these

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According to kinetic theory of gases, the velocity of molecules __________ with the increase in temperature.

A. Remains constant

B. Increases

C. Decreases

D. None of these

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Percentage reduction of area in performing tensile test on cast iron may be of the order of

A. 50 %

B. 25 %

C. 0 %

D. 15 %

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A steel bar of 5 mm is heated from 25°C to 45°C and it is free to expand. The bar will induce

A. No stress

B. Shear stress

C. Tensile stress

D. Compressive stress

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The hyperbolic process is governed by

A. Boyle's law

B. Charles' law

C. Gay-Lussac law

D. Avogadro's law

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Modular ratio of two materials is the ratio of

A. Strains

B. Stress and strain

C. Shear stress and shear strain

D. Moduli and elasticity

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The unit of Young's modulus is

A. mm/mm

B. kg/cm

C. Kg

D. kg/cm²

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A concentrated load is one which

A. Acts at a point on a beam

B. Spreads non-uniformly over the whole length of a beam

C. Spreads uniformly over the whole length of a beam

D. Varies uniformly over the whole length of a beam

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When a body is subjected to biaxial stress i.e. direct stresses (σ_x) and (σ_y) in two mutually perpendicular planes accompanied by a simple shear stress (τ_xy), then maximum normal stress is

A. (σ_x + σ_y)/2 + (1/2) × √[(σ_x - σ_y)² + 4 τ²_xy]

B. (σ_x + σ_y)/2 - (1/2) × √[(σ_x - σ_y)² + 4 τ²_xy]

C. (σ_x - σ_y)/2 + (1/2) × √[(σ_x + σ_y)² + 4 τ²_xy]

D. (σ_x - σ_y)/2 - (1/2) × √[(σ_x + σ_y)² + 4 τ²_xy]

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A continuous beam is one which is

A. Fixed at both ends

B. Fixed at one end and free at the other end

C. Supported on more than two supports

D. Extending beyond the supports

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According to First law of thermodynamics,

A. Total internal energy of a system during a process remains constant

B. Total energy of a system remains constant

C. Workdone by a system is equal to the heat transferred by the system

D. Internal energy, enthalpy and entropy during a process remain constant

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The value of specific heat at constant pressure (cp) is __________ that of at constant volume (cv).

A. Less than

B. Equal to

C. More than

D. None of these

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The ultimate tensile stress of mild steel compared to ultimate compressive stress is

A. Same

B. More

C. Less

D. Unpredictable

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When two plates are butt together and riveted with cover plates with two rows of rivets, the joint is known as

A. Lap joint

B. Butt joint

C. Single riveted single cover butt joint

D. Double riveted double cover butt joint

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The general gas energy equation is (where Q1 - 2 = Heat supplied, dU = Change in internal energy, and W1 - 2 = Work done in heat units)

A. Q_{1 - 2} = dU + W_{1 - 2}

B. Q_{1 - 2} = dU - W_{1 - 2}

C. Q_{1 - 2} = dU/W_{1 - 2}

D. Q_{1 - 2} = dU × W_{1 - 2}

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When shear force at a point is zero, then bending moment is _________ at that point.

A. Zero

B. Minimum

C. Maximum

D. Infinity

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Which of the following materials is most elastic?

A. Rubber

B. Plastic

C. Brass

D. Steel

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The __________ is obtained when carbonisation of coal is carried out at 500° to 700° C.

A. Soft coal

B. Hard coal

C. Pulverised coal

D. Bituminous coal

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Accepted Answer

D. All of these

Which of the following is a reversible non-flow process?

Correct Answer :

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Related Questions

Otto cycle consists of following four processes

For the same compression ratio, the efficiency of dual combustion cycle is

The efficiency of the Carnot cycle may be increased by

Otto cycle consists of

Petrol is distilled at

An open cycle gas turbine works on

When a gas is heated, change takes place in

Which of the following has the highest calorific value?

Otto cycle is also known as

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

Efficiency of a riveted joint is the ratio of its strength (max. load it can resist without failure) to the strength of the un-punched plate in

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

According to Euler's column theory, the crippling load for a column of length (l) with one end fixed and the other end free is __________ the crippling load for a similar column hinged at both the ends.

According to kinetic theory of gases, the velocity of molecules __________ with the increase in temperature.

Percentage reduction of area in performing tensile test on cast iron may be of the order of

A steel bar of 5 mm is heated from 25°C to 45°C and it is free to expand. The bar will induce

The hyperbolic process is governed by

Modular ratio of two materials is the ratio of

The unit of Young's modulus is

A concentrated load is one which

When a body is subjected to biaxial stress i.e. direct stresses (σ_x) and (σ_y) in two mutually perpendicular planes accompanied by a simple shear stress (τ_xy), then maximum normal stress is

A continuous beam is one which is

According to First law of thermodynamics,

The value of specific heat at constant pressure (cp) is __________ that of at constant volume (cv).

The ultimate tensile stress of mild steel compared to ultimate compressive stress is

When two plates are butt together and riveted with cover plates with two rows of rivets, the joint is known as

The general gas energy equation is (where Q1 - 2 = Heat supplied, dU = Change in internal energy, and W1 - 2 = Work done in heat units)

When shear force at a point is zero, then bending moment is _________ at that point.

Which of the following materials is most elastic?

The __________ is obtained when carbonisation of coal is carried out at 500° to 700° C.

Also checkout

Which of the following is a reversible non-flow process?

Correct Answer :

Show all Strength of Materials MCQ

Related Questions

Otto cycle consists of following four processes

For the same compression ratio, the efficiency of dual combustion cycle is

The efficiency of the Carnot cycle may be increased by

Otto cycle consists of

Petrol is distilled at

An open cycle gas turbine works on

When a gas is heated, change takes place in

Which of the following has the highest calorific value?

Otto cycle is also known as

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

Efficiency of a riveted joint is the ratio of its strength (max. load it can resist without failure) to the strength of the un-punched plate in

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

According to Euler's column theory, the crippling load for a column of length (l) with one end fixed and the other end free is __________ the crippling load for a similar column hinged at both the ends.

According to kinetic theory of gases, the velocity of molecules __________ with the increase in temperature.

Percentage reduction of area in performing tensile test on cast iron may be of the order of

A steel bar of 5 mm is heated from 25°C to 45°C and it is free to expand. The bar will induce

The hyperbolic process is governed by

Modular ratio of two materials is the ratio of

The unit of Young's modulus is

A concentrated load is one which

When a body is subjected to biaxial stress i.e. direct stresses (σx) and (σy) in two mutually perpendicular planes accompanied by a simple shear stress (τxy), then maximum normal stress is

A continuous beam is one which is

According to First law of thermodynamics,

The value of specific heat at constant pressure (cp) is __________ that of at constant volume (cv).

The ultimate tensile stress of mild steel compared to ultimate compressive stress is

When two plates are butt together and riveted with cover plates with two rows of rivets, the joint is known as

The general gas energy equation is (where Q1 - 2 = Heat supplied, dU = Change in internal energy, and W1 - 2 = Work done in heat units)

When shear force at a point is zero, then bending moment is _________ at that point.

Which of the following materials is most elastic?

The __________ is obtained when carbonisation of coal is carried out at 500° to 700° C.

Also checkout

When a body is subjected to biaxial stress i.e. direct stresses (σ_x) and (σ_y) in two mutually perpendicular planes accompanied by a simple shear stress (τ_xy), then maximum normal stress is