Charles' law states that all perfect gases change in volume by __________ of its original volume at 0°C for every 1°C change in temperature, when pressure remains constant.

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Charles' law states that all perfect gases change in volume by __________ of its original volume at 0°C for every 1°C change in temperature, when pressure remains constant.

A. 1/27th

B. 1/93th

C. 1/173th

D. 1/273th

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For which material the Poisson's ratio is more than unity

A. Steel

B. Copper

C. Aluminium

D. None of the above

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For the same compression ratio, the efficiency of Diesel cycle is __________ Otto cycle.

A. Greater than

B. Less than

C. Equal to

D. None of these

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If the depth is kept constant for a beam of uniform strength, then its width will vary in proportional to

A. Bending moment (i.e. M)

B. Bending moment² (i.e. M²)

C. Bending moment³ (i.e. M³)

D. Bending moment⁴ (i.e. M⁴)

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A series of operations, which takes place in a certain order and restore the initial conditions at the end, is known as

A. Reversible cycle

B. Irreversible cycle

C. Thermodynamic cycle

D. None of these

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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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When wood is heated with a limited supply of air to a temperature not less than 280°C, the resulting fuel is

A. Coke

B. Wood charcoal

C. Bituminous coal

D. Briquetted coal

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When a closely-coiled helical spring of mean diameter (D) is subjected to an axial load (W), the stiffness of the spring is given by

A. Cd⁴/D³n

B. Cd⁴/2D³n

C. Cd⁴/4D³n

D. Cd⁴/8D³n

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Strain is defined as the ratio of

A. Change in volume to original volume

B. Change in length to original length

C. Change in cross-sectional area to original cross-sectional area

D. Any one of the above

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In compression test, the fracture in cast iron specimen would occur along

A. The axis of load

B. An oblique plane

C. At right angles to the axis of specimen

D. Would not occur

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The efficiency of Diesel cycle approaches to Otto cycle efficiency when

A. Cut-off is increased

B. Cut-off is decreased

C. Cut-off is zero

D. Cut-off is constant

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If the slenderness ratio for a column is 100, then it is said to be a _________ column.

A. Long

B. Medium

C. Short

D. None of these

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Flow stress corresponds to

A. Fluids in motion

B. Breaking point

C. Plastic deformation of solids

D. Rupture 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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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 minimum 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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The amount of heat required to raise the temperature of 1 kg of water through one Kelvin 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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One Joule (J) is equal to

A. 1 N-m

B. 1 kN-m

C. 10 N-m/s

D. 10 kN-m/s

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For the beam shown in the below figure, the shear force diagram between A and B is

A. A horizontal line

B. A vertical line

C. An inclined line

D. A parabolic curve

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The value of modulus of elasticity for mild steel is of the order of

A. 2.1 × 10⁵ kg/cm²

B. 2.1 × 10⁶ kg/cm²

C. 2.1 × 10⁷ kg/cm²

D. 0.1 × 10⁶ kg/cm²

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Which of the following statement is wrong?

A. The closed cycle gas turbine plants are external combustion plants.

B. In the closed cycle gas turbine, the pressure range depends upon the atmospheric pressure.

C. The advantage of efficient internal combustion is eliminated as the closed cycle has an external surface.

D. In open cycle gas turbine, atmosphere acts as a sink and no coolant is required.

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The ratio of maximum shear stress developed in a rectangular beam and a circular beam of the same cross-sectional area is

A. 2/3

B. 3/4

C. 1

D. 9/8

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The efficiency of a gas turbine is given by

A. (Net work output)/(Workdone by the turbine)

B. (Net work output)/(Heat supplied)

C. (Actual temperature drop)/(Isentropic temperature drop)

D. (Isentropic increase in temperature)/(Actual increase in temperature)

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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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In an irreversible process, there is a

A. Loss of heat

B. No loss of heat

C. Gain of heat

D. No gain of heat

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The root mean square velocity of the gas molecules is given by (where k = Boltzmann's constant, T = Absolute temperature, and m = Mass of one molecule of a gas)

A. √(KT/m)

B. √(2KT/m)

C. √(3KT/m)

D. √(5KT/m)

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In S. I. units, the value of the universal gas constant is

A. 8.314 J/kg mole-K

B. 83.14 J/kgmole-K

C. 831.4 J/kgmole-K

D. 8314 J/kgmole-K

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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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The extension of a circular bar tapering uniformly from diameter d₁ at one end to diameter d₂ at the other end and subjected to an axial pull of P is given by

A. δl = 4PE/ πl²

B. δl = 4πld²/PE

C. δl = 4Pl/πEd₁d₂

D. δl = 4PlE/ πd₁d₂

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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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The relation between Young's modulus (E), shear modulus (C) and bulk modulus (K) is given by

A. E = 3K.C/(3K + C)

B. E = 6K.C/(3K + C)

C. E = 9K.C/(3K + C)

D. E = 12K.C/(3K + C)

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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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Accepted Answer

D. 1/273th

Charles' law states that all perfect gases change in volume by __________ of its original volume at 0°C for every 1°C change in temperature, when pressure remains constant.

Correct Answer :

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Related Questions

For which material the Poisson's ratio is more than unity

For the same compression ratio, the efficiency of Diesel cycle is __________ Otto cycle.

If the depth is kept constant for a beam of uniform strength, then its width will vary in proportional to

A series of operations, which takes place in a certain order and restore the initial conditions at the end, is known as

The efficiency of Diesel cycle depends upon

When wood is heated with a limited supply of air to a temperature not less than 280°C, the resulting fuel is

When a closely-coiled helical spring of mean diameter (D) is subjected to an axial load (W), the stiffness of the spring is given by

Strain is defined as the ratio of

In compression test, the fracture in cast iron specimen would occur along

The efficiency of Diesel cycle approaches to Otto cycle efficiency when

If the slenderness ratio for a column is 100, then it is said to be a _________ column.

Flow stress corresponds to

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

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 minimum normal stress is

The amount of heat required to raise the temperature of 1 kg of water through one Kelvin is called

One Joule (J) is equal to

For the beam shown in the below figure, the shear force diagram between A and B is

The value of modulus of elasticity for mild steel is of the order of

Which of the following statement is wrong?

The ratio of maximum shear stress developed in a rectangular beam and a circular beam of the same cross-sectional area is

The efficiency of a gas turbine is given by

The intensity of stress which causes unit strain is called

In an irreversible process, there is a

The root mean square velocity of the gas molecules is given by (where k = Boltzmann's constant, T = Absolute temperature, and m = Mass of one molecule of a gas)

In S. I. units, the value of the universal gas constant is

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

The extension of a circular bar tapering uniformly from diameter d₁ at one end to diameter d₂ at the other end and subjected to an axial pull of P is given by

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

The relation between Young's modulus (E), shear modulus (C) and bulk modulus (K) is given by

In a free expansion process,

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Charles' law states that all perfect gases change in volume by __________ of its original volume at 0°C for every 1°C change in temperature, when pressure remains constant.

Correct Answer :

Show all Strength of Materials MCQ

Related Questions

For which material the Poisson's ratio is more than unity

For the same compression ratio, the efficiency of Diesel cycle is __________ Otto cycle.

If the depth is kept constant for a beam of uniform strength, then its width will vary in proportional to

A series of operations, which takes place in a certain order and restore the initial conditions at the end, is known as

The efficiency of Diesel cycle depends upon

When wood is heated with a limited supply of air to a temperature not less than 280°C, the resulting fuel is

When a closely-coiled helical spring of mean diameter (D) is subjected to an axial load (W), the stiffness of the spring is given by

Strain is defined as the ratio of

In compression test, the fracture in cast iron specimen would occur along

The efficiency of Diesel cycle approaches to Otto cycle efficiency when

If the slenderness ratio for a column is 100, then it is said to be a _________ column.

Flow stress corresponds to

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

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 minimum normal stress is

The amount of heat required to raise the temperature of 1 kg of water through one Kelvin is called

One Joule (J) is equal to

For the beam shown in the below figure, the shear force diagram between A and B is

The value of modulus of elasticity for mild steel is of the order of

Which of the following statement is wrong?

The ratio of maximum shear stress developed in a rectangular beam and a circular beam of the same cross-sectional area is

The efficiency of a gas turbine is given by

The intensity of stress which causes unit strain is called

In an irreversible process, there is a

The root mean square velocity of the gas molecules is given by (where k = Boltzmann's constant, T = Absolute temperature, and m = Mass of one molecule of a gas)

In S. I. units, the value of the universal gas constant is

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

The extension of a circular bar tapering uniformly from diameter d₁ at one end to diameter d₂ at the other end and subjected to an axial pull of P is given by

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

The relation between Young's modulus (E), shear modulus (C) and bulk modulus (K) is given by

In a free expansion process,

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 minimum normal stress is