For a simply supported beam of length l, when a concentrated load W is applied in the centre of the beam, the maximum deflection is

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For a simply supported beam of length l, when a concentrated load W is applied in the centre of the beam, the maximum deflection is

A. 5WL³/ 384EI

B. WL³/384EI

C. WL³/ 348EI

D. WL³/ 48EI

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According to Regnault's law, the specific heat at constant pressure (cp) and specific heat at constant volume (cv) _________ with the change in pressure and temperature of the gas.

A. Change

B. Do not change

C. Both (A) and (B)

D. None of these

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Hooke's law holds good up to

A. Yield point

B. Limit of proportionality

C. Breaking point

D. Elastic limit

Discuss this answer

The entropy of water at 0°C is assumed to be

A. 1

B. 0

C. -1

D. 10

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The total strain energy stored in a body is termed a

A. Resilience

B. Proof resilience

C. Modulus of resilience

D. Toughness

Discuss this answer

According to Avogadro's law, the density of any two gases is __________ their molecular masses, if the gases are at the same temperature and pressure.

A. Equal to

B. Directly proportional to

C. Inversely proportional to

D. None 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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A body is subjected to a tensile stress of 1200 MPa on one plane and another tensile stress of 600 MPa on a plane at right angles to the former. It is also subjected to a shear stress of 400 MPa on the same planes. The maximum normal stress will be

A. 400 MPa

B. 500 MPa

C. 900 MPa

D. 1400 MPa

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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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The efficiency of the dual combustion cycle for the same compression ratio is __________ Diesel cycle.

A. Greater than

B. Less than

C. Equal to

D. None of these

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The behaviour of a perfect gas, undergoing any change in the variables which control physical properties, is governed by

A. Boyle's law

B. Charles' law

C. Gay-Lussac law

D. All of these

Discuss this answer

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

Discuss this answer

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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The deformation of a bar under its own weight is _________ the deformation, if the same body is subjected to a direct load equal to weight of the body.

A. Equal to

B. Half

C. Double

D. Quadruple

Discuss this answer

Formula based on IS codes is based on

A. Straight line formula

B. Eulers formula

C. Rankines formula

D. Secant formula

Discuss this answer

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

Discuss this answer

The ratio of lateral strain to the linear strain within elastic limit is known as

A. Young's modulus

B. Bulk modulus

C. Modulus of rigidity

D. Poisson's ratio

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The percentage reduction in area of a cast iron specimen during tensile test would be of the order of

A. More than 50 %

B. 25-50 %

C. 10-25 %

D. Negligible

Discuss this answer

The entropy may be expressed as a function of

A. Pressure and temperature

B. Temperature and volume

C. Heat and work

D. All of these

Discuss this answer

Which of the following statement is incorrect?

A. The liquid fuels consist of hydrocarbons.

B. The liquid fuels have higher calorific value than solid fuels.

C. The solid fuels have higher calorific value than liquid fuels.

D. A good fuel should have low ignition point.

Discuss this answer

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 %

Discuss this answer

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

Discuss this answer

The efficiency of Ericsson cycle is __________ Carnot cycle.

A. Greater than

B. Less than

C. Equal to

D. None of these

Discuss this answer

The smallest quantity of a substance, which can exist by itself in a chemically recognizable form is known as

A. Element

B. Compound

C. Atom

D. Molecule

Discuss this answer

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

Discuss this answer

The deformation per unit length is called

A. Tensile stress

B. Compressive stress

C. Shear stress

D. Strain

Discuss this answer

When a body is subjected to a direct tensile stress (σx) in one plane accompanied by a simple shear stress (τxy), the maximum shear stress is

A. (σ_x/2) + (1/2) × √(σ_x² + 4 τ²_xy)

B. (σ_x/2) - (1/2) × √(σ_x² + 4 τ²_xy)

C. (σ_x/2) + (1/2) × √(σ_x² - 4 τ²_xy)

D. (1/2) × √(σx² + 4 τ²_xy)

Discuss this answer

One kilowatt is equal to

A. 1 N-m/s

B. 100 N-m

C. 1000 N-m/s

D. 1 × 10⁶ N-m/s

Discuss this answer

Relation between cp and cv is given by (where cp = Specific heat at constant pressure, cv = Specific heat at constant volume, γ = cp/cv, known as adiabatic index, and R = Gas constant)

A. cv/ cp =R

B. cp - cv = R

C. cv = R/ γ-1

D. Both (B) and (C)

Discuss this answer

The most probable velocity of the gas molecules is given by

A. √(KT/m)

B. √(2KT/m)

C. √(3KT/m)

D. √(5KT/m)

Discuss this answer

The heat flows from a cold body to a hot body with the aid of an external source. This statement is given by

A. Kelvin

B. Joule

C. Clausis

D. Gay-Lussac

Discuss this answer

Accepted Answer

D. WL³/ 48EI

For a simply supported beam of length l, when a concentrated load W is applied in the centre of the beam, the maximum deflection is

Correct Answer :

Show all Strength of Materials MCQ

Related Questions

According to Regnault's law, the specific heat at constant pressure (cp) and specific heat at constant volume (cv) _________ with the change in pressure and temperature of the gas.

Hooke's law holds good up to

The entropy of water at 0°C is assumed to be

The total strain energy stored in a body is termed a

According to Avogadro's law, the density of any two gases is __________ their molecular masses, if the gases are at the same temperature and pressure.

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 body is subjected to a tensile stress of 1200 MPa on one plane and another tensile stress of 600 MPa on a plane at right angles to the former. It is also subjected to a shear stress of 400 MPa on the same planes. The maximum normal stress will be

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

The efficiency of the dual combustion cycle for the same compression ratio is __________ Diesel cycle.

The behaviour of a perfect gas, undergoing any change in the variables which control physical properties, is governed by

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

Strain is defined as the ratio of

The deformation of a bar under its own weight is _________ the deformation, if the same body is subjected to a direct load equal to weight of the body.

Formula based on IS codes is based on

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

The ratio of lateral strain to the linear strain within elastic limit is known as

The percentage reduction in area of a cast iron specimen during tensile test would be of the order of

The entropy may be expressed as a function of

Which of the following statement is incorrect?

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

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

The efficiency of Ericsson cycle is __________ Carnot cycle.

The smallest quantity of a substance, which can exist by itself in a chemically recognizable form is known as

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

The deformation per unit length is called

When a body is subjected to a direct tensile stress (σx) in one plane accompanied by a simple shear stress (τxy), the maximum shear stress is

One kilowatt is equal to

Relation between cp and cv is given by (where cp = Specific heat at constant pressure, cv = Specific heat at constant volume, γ = cp/cv, known as adiabatic index, and R = Gas constant)

The most probable velocity of the gas molecules is given by

The heat flows from a cold body to a hot body with the aid of an external source. This statement is given by

Also checkout

For a simply supported beam of length l, when a concentrated load W is applied in the centre of the beam, the maximum deflection is

Correct Answer :

Show all Strength of Materials MCQ

Related Questions

According to Regnault's law, the specific heat at constant pressure (cp) and specific heat at constant volume (cv) _________ with the change in pressure and temperature of the gas.

Hooke's law holds good up to

The entropy of water at 0°C is assumed to be

The total strain energy stored in a body is termed a

According to Avogadro's law, the density of any two gases is __________ their molecular masses, if the gases are at the same temperature and pressure.

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 body is subjected to a tensile stress of 1200 MPa on one plane and another tensile stress of 600 MPa on a plane at right angles to the former. It is also subjected to a shear stress of 400 MPa on the same planes. The maximum normal stress will be

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

The efficiency of the dual combustion cycle for the same compression ratio is __________ Diesel cycle.

The behaviour of a perfect gas, undergoing any change in the variables which control physical properties, is governed by

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

Strain is defined as the ratio of

The deformation of a bar under its own weight is _________ the deformation, if the same body is subjected to a direct load equal to weight of the body.

Formula based on IS codes is based on

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

The ratio of lateral strain to the linear strain within elastic limit is known as

The percentage reduction in area of a cast iron specimen during tensile test would be of the order of

The entropy may be expressed as a function of

Which of the following statement is incorrect?

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

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

The efficiency of Ericsson cycle is __________ Carnot cycle.

The smallest quantity of a substance, which can exist by itself in a chemically recognizable form is known as

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

The deformation per unit length is called

When a body is subjected to a direct tensile stress (σx) in one plane accompanied by a simple shear stress (τxy), the maximum shear stress is

One kilowatt is equal to

Relation between cp and cv is given by (where cp = Specific heat at constant pressure, cv = Specific heat at constant volume, γ = cp/cv, known as adiabatic index, and R = Gas constant)

The most probable velocity of the gas molecules is given by

The heat flows from a cold body to a hot body with the aid of an external source. This statement is given by

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