The property of a material by virtue of which a body returns to its original, shape after removal of the load is called

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The property of a material by virtue of which a body returns to its original, shape after removal of the load is called

A. Plasticity

B. Elasticity

C. Ductility

D. Malleability

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A fletched beam is used to

A. Change the shape of the beam

B. Effect the saving in material

C. Equalise the strength in tension and compression

D. Increase the cross-section of the beam

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If Kh is the torque resisting capacity of a hollow shaft and Ks is that of a solid shaft, of the same material, length and weight. Then,

A. Kh > Ks

B. Kh < Ks

C. Kh = Ks

D. None of these

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In the torsion equation T/J = τ/r = Gθ/ L, the term J/R is called

A. Shear modulus

B. Section modulus

C. Polar modulus

D. None of these

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The deformation per unit length is called

A. Tensile stress

B. Compressive stress

C. Shear stress

D. Strain

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The increase in entropy of a system represents

A. Increase in availability of energy

B. Increase in temperature

C. Decrease in pressure

D. Degradation of energy

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A beam which is fixed at one end and free at the other is called

A. Simply supported beam

B. Fixed beam

C. Overhanging beam

D. Cantilever beam

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A cube subjected to three mutually perpendicular stress of equal intensity p expenses a volumetric strain

A. 3p/E × (2/m - 1)

B. 3p/E × (2 - m)

C. 3p/E × (1 - 2/m)

D. E/3p × (2/m - 1)

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The process is adiabatic, if the value of n in the equation pvn = C, is

A. 0

B. 1

C. γ

D. ∝

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A beam is loaded as cantilever. If the load at the end is increased, the failure will occur

A. In the middle

B. At the tip below the load

C. At the support

D. Anywhere

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In order to know whether a column is long or short, we must know its

A. Ultimate shear stress of the column

B. Factor of safety

C. Torque resisting capacity

D. Slenderness ratio

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The thermal efficiency of an ideal gas turbine plant is given by (where r = Pressure ratio)

A. r^γ - 1

B. 1 - r^γ - 1

C. 1 - (1/r)^{γ/γ - 1}

D. 1 - (1/r)^{γ - 1/ γ}

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Which of the following statement is wrong?

A. The deformation of the bar per unit length in the direction of the force is called linear strain.

B. The Poisson's ratio is the ratio of lateral strain to the linear strain.

C. The ratio of change in volume to the original volume is called volumetric strain.

D. The bulk modulus is the ratio of linear stress to the linear strain.

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The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is always __________ one.

A. Equal to

B. Less than

C. Greater than

D. None of these

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For a beam, as shown in the below figure, the deflection at C is (where E = Young's modulus for the beam material, and I = Moment of inertia of the beam section.

A. Wl3/48 EI

B. Wa²b²/3EIl

C. [Wa/(a√3) x EIl] x (l² - a²)3/2

D. 5Wl3/384 EI

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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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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 kinetic energy per kg molecule of any gas at absolute temperature T is equal to (where Ru = Universal gas constant)

A. R_u × T

B. 1.5 R_u × T

C. 2 R_u × T

D. 3 R_u × T

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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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Which of the following is an irreversible cycle?

A. Carnot

B. Stirling

C. Ericsson

D. None of the above

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Reversed joule cycle is called

A. Carnot cycle

B. Rankine cycle

C. Brayton cycle

D. Bell Coleman cycle

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A vertical column has two moments of inertia (i.e. Ixx and Iyy ). The column will tend to buckle in the direction of the

A. Axis of load

B. Perpendicular to the axis of load

C. Maximum moment of inertia

D. Minimum moment of inertia

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The efficiency of Joule cycle is

A. Greater than Carnot cycle

B. Less than Carnot cycle

C. Equal to Carnot cycle

D. None of these

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A hollow shaft of same cross-section area as compared to a solid shaft transmit

A. Same torque

B. Less torque

C. More torque

D. Unpredictable

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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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The unit of Young's modulus is

A. mm/mm

B. kg/cm

C. Kg

D. kg/cm²

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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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Strain is equal to (where l = Original length, and δl = Change in length)

A. l/δl

B. δl/l

C. l.δl

D. l + δl

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The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is

A. Equal to one

B. Less than one

C. Greater than one

D. None of these

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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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In an ideal gas turbine plant, it is assumed that the compression and expansion processes are

A. Isothermal

B. Isentropic

C. Polytropic

D. None of these

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Accepted Answer

B. Elasticity

The property of a material by virtue of which a body returns to its original, shape after removal of the load is called

Correct Answer :

Show all Strength of Materials MCQ

Related Questions

A fletched beam is used to

If Kh is the torque resisting capacity of a hollow shaft and Ks is that of a solid shaft, of the same material, length and weight. Then,

In the torsion equation T/J = τ/r = Gθ/ L, the term J/R is called

The deformation per unit length is called

The increase in entropy of a system represents

A beam which is fixed at one end and free at the other is called

A cube subjected to three mutually perpendicular stress of equal intensity p expenses a volumetric strain

The process is adiabatic, if the value of n in the equation pvn = C, is

A beam is loaded as cantilever. If the load at the end is increased, the failure will occur

In order to know whether a column is long or short, we must know its

The thermal efficiency of an ideal gas turbine plant is given by (where r = Pressure ratio)

Which of the following statement is wrong?

The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is always __________ one.

For a beam, as shown in the below figure, the deflection at C is (where E = Young's modulus for the beam material, and I = Moment of inertia of the beam section.

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

The value of Poisson's ratio for steel is between

The kinetic energy per kg molecule of any gas at absolute temperature T is equal to (where Ru = Universal gas constant)

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)

Which of the following is an irreversible cycle?

Reversed joule cycle is called

A vertical column has two moments of inertia (i.e. Ixx and Iyy ). The column will tend to buckle in the direction of the

The efficiency of Joule cycle is

A hollow shaft of same cross-section area as compared to a solid shaft transmit

In a steady flow process, the ratio of

The unit of Young's modulus is

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

Strain is equal to (where l = Original length, and δl = Change in length)

The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is

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

In an ideal gas turbine plant, it is assumed that the compression and expansion processes are

Also checkout

The property of a material by virtue of which a body returns to its original, shape after removal of the load is called

Correct Answer :

Show all Strength of Materials MCQ

Related Questions

A fletched beam is used to

If Kh is the torque resisting capacity of a hollow shaft and Ks is that of a solid shaft, of the same material, length and weight. Then,

In the torsion equation T/J = τ/r = Gθ/ L, the term J/R is called

The deformation per unit length is called

The increase in entropy of a system represents

A beam which is fixed at one end and free at the other is called

A cube subjected to three mutually perpendicular stress of equal intensity p expenses a volumetric strain

The process is adiabatic, if the value of n in the equation pvn = C, is

A beam is loaded as cantilever. If the load at the end is increased, the failure will occur

In order to know whether a column is long or short, we must know its

The thermal efficiency of an ideal gas turbine plant is given by (where r = Pressure ratio)

Which of the following statement is wrong?

The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is always __________ one.

For a beam, as shown in the below figure, the deflection at C is (where E = Young's modulus for the beam material, and I = Moment of inertia of the beam section.

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

The value of Poisson's ratio for steel is between

The kinetic energy per kg molecule of any gas at absolute temperature T is equal to (where Ru = Universal gas constant)

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)

Which of the following is an irreversible cycle?

Reversed joule cycle is called

A vertical column has two moments of inertia (i.e. Ixx and Iyy ). The column will tend to buckle in the direction of the

The efficiency of Joule cycle is

A hollow shaft of same cross-section area as compared to a solid shaft transmit

In a steady flow process, the ratio of

The unit of Young's modulus is

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

Strain is equal to (where l = Original length, and δl = Change in length)

The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is

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

In an ideal gas turbine plant, it is assumed that the compression and expansion processes are

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)