The unit of Young's modulus is

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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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The moment of resistance of a balanced reinforced concrete beam is based on the stresses in

A. Steel only

B. Concrete only

C. Steel and concrete both

D. None of these

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A composite bar made up of steel and copper bars of equal lengths are heated through 100°C. The stresses developed shall be

A. Tensile in both the material

B. Tensile in steel and compressive in copper

C. Compressive in steel and tensile in copper

D. Compressive in both the materials

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Resilience is the

A. Energy stored in a body when strained within elastic limits

B. Energy stored in a body when strained up to the breaking of the specimen maximum strain

C. Energy which can be stored in a body

D. None of the above

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The shear force diagram of a cantilever beam of length l and carrying a uniformly distributed load of w per unit length will be

A. A right angled triangle

B. An isosceles triangle

C. An equilateral triangle

D. A rectangle

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The temperature at which the volume of a gas becomes zero is called

A. Absolute scale of temperature

B. Absolute zero temperature

C. Absolute temperature

D. None of these

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Workdone during adiabatic expansion is given by (where p₁ v₁, T₁ = Pressure, volume and temperature for the initial condition of gas, p_2, v₂, T₂ = Corresponding values for the final condition of gas, R = Gas constant, and γ = Ratio of specific heats)

A. (p₁ v₁ - p₂ v₂)/(γ - 1)

B. [m R (T₁ - T₂)] /(γ - 1)

C. [m R T₁/(γ - 1)][1 - (p₂ v₂ /p₁ v₁)]

D. All 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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The radius of the Mohrs circle in the given figure is equal to

A. Sum of two principal stresses

B. Difference of two principal stresses

C. Half the sum of two principal stresses

D. Half the difference of two principal stresses

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The universal gas constant (or molar constant) of a gas is the product of

A. Molecular mass of the gas and the gas constant

B. Atomic mass of the gas and the gas constant

C. Molecular mass of the gas and the specific heat at constant pressure

D. Molecular mass of the gas and the specific heat at constant volume

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A key is subjected to side pressure as well at shearing forces. These pressures are called

A. Bearing stresses

B. Fatigue stresses

C. Crushing stresses

D. Resultant stresses

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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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The efficiency of Diesel cycle increases with

A. Decrease in cut-off

B. Increase in cut-off

C. Constant cut-off

D. None of these

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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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One kg of carbon monoxide requires _______kg of oxygen to produce 11/7 kg of carbon dioxide gas.

A. 11/7

B. 9/7

C. 4/7

D. All of the above

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The value of Poisson's ratio for steel is between

A. 0.01 to 0.1

B. 0.23 to 0.27

C. 0.25 to 0.33

D. 0.4 to 0.6

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The atomic mass of sulphur is

A. 12

B. 14

C. 16

D. 32

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Which of the following has the minimum atomic mass?

A. Oxygen

B. Sulphur

C. Nitrogen

D. Carbon

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For a beam, as shown in the below figure, when the load W is applied in the centre of the beam, the maximum deflection is

A. Wl3 / 48EI

B. 5Wl3 / 384EI

C. Wl3 / 392EI

D. Wl3 / 384EI

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The __________ states that change of internal energy of a perfect gas is directly proportional to the change of temperature.

A. Boyle's law

B. Charle's law

C. Gay-Lussac law

D. Joule's law

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The atomic mass of nitrogen is __________ oxygen.

A. Equal to

B. Less than

C. More than

D. None of these

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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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When two bodies are in thermal equilibrium with a third body, they are also in thermal equilibrium with each other. This statement is called

A. Zeroth law of thermodynamics

B. First law of thermodynamics

C. Second law of thermodynamics

D. Kelvin Planck's law

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A cylindrical section having no joint is known as

A. Joint less section

B. Homogeneous section

C. Perfect section

D. Seamless section

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Kerosene 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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When it is indicated that a member is elastic, it means that when force is applied, it will

A. Not deform

B. Be safest

C. Stretch

D. Not stretch

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A riveted joint in which every rivet of a row is opposite to other rivet of the outer row, is known as

A. Chain riveted joint

B. Diamond riveted joint

C. Crisscross riveted joint

D. Zigzag riveted joint

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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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A process, in which the working substance neither receives nor gives out heat to its surroundings during its expansion or compression, is called

A. Isothermal process

B. Hyperbolic process

C. Adiabatic process

D. Polytropic process

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A body is subjected to a direct tensile stress of 300 MPa in one plane accompanied by a simple shear stress of 200 MPa. The maximum shear stress will be

A. -100 MPa

B. 250 MPa

C. 300 MPa

D. 400 MPa

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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

Discuss this answer

Accepted Answer

D. kg/cm²

The unit of Young's modulus is

Correct Answer :

Show all Strength of Materials MCQ

Related Questions

The moment of resistance of a balanced reinforced concrete beam is based on the stresses in

A composite bar made up of steel and copper bars of equal lengths are heated through 100°C. The stresses developed shall be

Resilience is the

The shear force diagram of a cantilever beam of length l and carrying a uniformly distributed load of w per unit length will be

The temperature at which the volume of a gas becomes zero is called

Workdone during adiabatic expansion is given by (where p₁ v₁, T₁ = Pressure, volume and temperature for the initial condition of gas, p_2, v₂, T₂ = Corresponding values for the final condition of gas, R = Gas constant, and γ = Ratio of specific heats)

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

The radius of the Mohrs circle in the given figure is equal to

The universal gas constant (or molar constant) of a gas is the product of

A key is subjected to side pressure as well at shearing forces. These pressures are called

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

The efficiency of Diesel cycle increases with

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

One kg of carbon monoxide requires _______kg of oxygen to produce 11/7 kg of carbon dioxide gas.

The value of Poisson's ratio for steel is between

The atomic mass of sulphur is

Which of the following has the minimum atomic mass?

For a beam, as shown in the below figure, when the load W is applied in the centre of the beam, the maximum deflection is

The __________ states that change of internal energy of a perfect gas is directly proportional to the change of temperature.

The atomic mass of nitrogen is __________ oxygen.

Strain is defined as the ratio of

When two bodies are in thermal equilibrium with a third body, they are also in thermal equilibrium with each other. This statement is called

A cylindrical section having no joint is known as

Kerosene is distilled at

When it is indicated that a member is elastic, it means that when force is applied, it will

A riveted joint in which every rivet of a row is opposite to other rivet of the outer row, is known as

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

A process, in which the working substance neither receives nor gives out heat to its surroundings during its expansion or compression, is called

A body is subjected to a direct tensile stress of 300 MPa in one plane accompanied by a simple shear stress of 200 MPa. The maximum shear stress will be

Which of the following cycles is not a reversible cycle?

Also checkout

The unit of Young's modulus is

Correct Answer :

Show all Strength of Materials MCQ

Related Questions

The moment of resistance of a balanced reinforced concrete beam is based on the stresses in

A composite bar made up of steel and copper bars of equal lengths are heated through 100°C. The stresses developed shall be

Resilience is the

The shear force diagram of a cantilever beam of length l and carrying a uniformly distributed load of w per unit length will be

The temperature at which the volume of a gas becomes zero is called

Workdone during adiabatic expansion is given by (where p1 v1, T1 = Pressure, volume and temperature for the initial condition of gas, p2, v2, T2 = Corresponding values for the final condition of gas, R = Gas constant, and γ = Ratio of specific heats)

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

The radius of the Mohrs circle in the given figure is equal to

The universal gas constant (or molar constant) of a gas is the product of

A key is subjected to side pressure as well at shearing forces. These pressures are called

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

The efficiency of Diesel cycle increases with

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

One kg of carbon monoxide requires _______kg of oxygen to produce 11/7 kg of carbon dioxide gas.

The value of Poisson's ratio for steel is between

The atomic mass of sulphur is

Which of the following has the minimum atomic mass?

For a beam, as shown in the below figure, when the load W is applied in the centre of the beam, the maximum deflection is

The __________ states that change of internal energy of a perfect gas is directly proportional to the change of temperature.

The atomic mass of nitrogen is __________ oxygen.

Strain is defined as the ratio of

When two bodies are in thermal equilibrium with a third body, they are also in thermal equilibrium with each other. This statement is called

A cylindrical section having no joint is known as

Kerosene is distilled at

When it is indicated that a member is elastic, it means that when force is applied, it will

A riveted joint in which every rivet of a row is opposite to other rivet of the outer row, is known as

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

A process, in which the working substance neither receives nor gives out heat to its surroundings during its expansion or compression, is called

A body is subjected to a direct tensile stress of 300 MPa in one plane accompanied by a simple shear stress of 200 MPa. The maximum shear stress will be

Which of the following cycles is not a reversible cycle?

Also checkout

Workdone during adiabatic expansion is given by (where p₁ v₁, T₁ = Pressure, volume and temperature for the initial condition of gas, p_2, v₂, T₂ = Corresponding values for the final condition of gas, R = Gas constant, and γ = Ratio of specific heats)