Carnot cycle has maximum efficiency for

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Carnot cycle has maximum efficiency for

A. Petrol engine

B. Diesel engine

C. Reversible engine

D. Irreversible engine

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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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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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The unit of energy is S. I. units is

A. Joule (J)

B. Joule metre (Jm)

C. Watt (W)

D. Joule/metre (J/m)

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For the same maximum pressure and temperature,

A. Otto cycle is more efficient than Diesel cycle

B. Diesel cycle is more efficient than Otto cycle

C. Dual cycle is more efficient than Otto and Diesel cycles

D. Dual cycle is less efficient than Otto and Diesel cycles

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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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Flow stress corresponds to

A. Fluids in motion

B. Breaking point

C. Plastic deformation of solids

D. Rupture stress

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In a belt drive, the pulley diameter is doubled, the belt tension and pulley width remaining same. The changes required in key will be

A. Increase key length

B. Increase key depth

C. Increase key width

D. Double all the dimensions

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The property of a material by virtue of which it can be beaten or rolled into plates is called

A. Malleability

B. Ductility

C. Plasticity

D. Elasticity

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The relation between equivalent length (L) and actual length (l) of a column for both ends fixed is

A. L = l/2

B. L = l/√2

C. L = l

D. L = 2l

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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 sum of internal energy (U) and the product of pressure and volume (p.v) is known as

A. Workdone

B. Entropy

C. Enthalpy

D. None of these

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When a body is subjected to three mutually perpendicular stresses, of equal intensity, the ratio of direct stress to the corresponding volumetric strain is known as

A. Young's modulus

B. Modulus of rigidity

C. Bulk modulus

D. Poisson's ratio

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The efficiency of Stirling cycle is __________ Carnot cycle.

A. Greater than

B. Less than

C. Equal to

D. None of these

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The distillation carried out in such a way that the liquid with the lowest boiling point is first evaporated and recondensed, then the liquid with the next higher boiling point is then evaporated and recondensed, and so on until all the available liquid fuels are separately recovered in the sequence of their boiling points. Such a process is called

A. Cracking

B. Carbonisation

C. Fractional distillation

D. Full distillation

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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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The standard value of atmospheric pressure taken at sea level is

A. 1.013 bar

B. 760 mm of Hg

C. 1013 × 10² N/m²

D. All 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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The strain energy stored in a solid circular shaft in torsion, subjected to shear stress (τ), is: (Where, G = Modulus of rigidity for the shaft material)

A. τ²/ 2G × Volume of shaft

B. τ/ 2G × Volume of shaft

C. τ²/ 4G × Volume of shaft

D. τ/ 4G × Volume of shaft

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The energy stored in a body when strained within elastic limit is known as

A. Resilience

B. Proof resilience

C. Strain energy

D. Impact energy

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The shear force diagram for a simply supported beam carrying a uniformly distributed load of w per unit length, consists of

A. One right angled triangle

B. Two right angled triangles

C. One equilateral triangle

D. Two equilateral triangles

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The mass of flue gas per kg of fuel is the ratio of the

A. Mass of oxygen in 1 kg of flue gas to the mass of oxygen in 1 kg of fuel

B. Mass of oxygen in 1 kg of fuel to the mass of oxygen in 1 kg of flue gas

C. Mass of carbon in 1 kg of flue gas to the mass of carbon in 1 kg of fuel

D. Mass of carbon in 1 kg of fuel to the mass of carbon in 1 kg of flue gas

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First law of thermodynamics deals with

A. Conservation of heat

B. Conservation of momentum

C. Conservation of mass

D. Conservation of energy

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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 amount of heat required to raise the temperature of __________ water through one degree is called kilojoules.

A. 1 g

B. 10 g

C. 100 g

D. 1000 g

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Modulus of rigidity may be defined as the ratio of

A. Linear stress to lateral strain

B. Lateral strain to linear strain

C. Linear stress to linear strain

D. Shear stress to shear strain

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The thermodynamic difference between a Rankine cycle working with saturated steam and the Carnot cycle is that

A. Carnot cycle can't work with saturated steam

B. Heat is supplied to water at temperature below the maximum temperature of the cycle

C. A Rankine cycle receives heat at two places

D. Rankine cycle is hypothetical

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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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The ratio of elongation in a prismatic bar due to its own weight (W) as compared to another similar bar carrying an additional weight (W) will be

A. 1 : 2

B. 1 : 3

C. 1 : 4

D. 1 : 2.5

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Producer gas is obtained by

A. Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast

B. Carbonisation of bituminous coal

C. Passing steam over incandescent coke

D. Passing air and a large amount of steam over waste coal at about 650°C

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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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Accepted Answer

C. Reversible engine

Carnot cycle has maximum efficiency for

Correct Answer :

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Related Questions

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

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

The unit of energy is S. I. units is

For the same maximum pressure and temperature,

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

Flow stress corresponds to

In a belt drive, the pulley diameter is doubled, the belt tension and pulley width remaining same. The changes required in key will be

The property of a material by virtue of which it can be beaten or rolled into plates is called

The relation between equivalent length (L) and actual length (l) of a column for both ends fixed is

Which of the following statement is wrong?

The sum of internal energy (U) and the product of pressure and volume (p.v) is known as

When a body is subjected to three mutually perpendicular stresses, of equal intensity, the ratio of direct stress to the corresponding volumetric strain is known as

The efficiency of Stirling cycle is __________ Carnot cycle.

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

The standard value of atmospheric pressure taken at sea level is

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

The strain energy stored in a solid circular shaft in torsion, subjected to shear stress (τ), is: (Where, G = Modulus of rigidity for the shaft material)

The energy stored in a body when strained within elastic limit is known as

The shear force diagram for a simply supported beam carrying a uniformly distributed load of w per unit length, consists of

The mass of flue gas per kg of fuel is the ratio of the

First law of thermodynamics deals with

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 amount of heat required to raise the temperature of __________ water through one degree is called kilojoules.

Modulus of rigidity may be defined as the ratio of

The thermodynamic difference between a Rankine cycle working with saturated steam and the Carnot cycle is that

Otto cycle is also known as

The ratio of elongation in a prismatic bar due to its own weight (W) as compared to another similar bar carrying an additional weight (W) will be

Producer gas is obtained by

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

Also checkout

Carnot cycle has maximum efficiency for

Correct Answer :

Show all Strength of Materials MCQ

Related Questions

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

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

The unit of energy is S. I. units is

For the same maximum pressure and temperature,

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

Flow stress corresponds to

In a belt drive, the pulley diameter is doubled, the belt tension and pulley width remaining same. The changes required in key will be

The property of a material by virtue of which it can be beaten or rolled into plates is called

The relation between equivalent length (L) and actual length (l) of a column for both ends fixed is

Which of the following statement is wrong?

The sum of internal energy (U) and the product of pressure and volume (p.v) is known as

When a body is subjected to three mutually perpendicular stresses, of equal intensity, the ratio of direct stress to the corresponding volumetric strain is known as

The efficiency of Stirling cycle is __________ Carnot cycle.

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

The standard value of atmospheric pressure taken at sea level is

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

The strain energy stored in a solid circular shaft in torsion, subjected to shear stress (τ), is: (Where, G = Modulus of rigidity for the shaft material)

The energy stored in a body when strained within elastic limit is known as

The shear force diagram for a simply supported beam carrying a uniformly distributed load of w per unit length, consists of

The mass of flue gas per kg of fuel is the ratio of the

First law of thermodynamics deals with

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 amount of heat required to raise the temperature of __________ water through one degree is called kilojoules.

Modulus of rigidity may be defined as the ratio of

The thermodynamic difference between a Rankine cycle working with saturated steam and the Carnot cycle is that

Otto cycle is also known as

The ratio of elongation in a prismatic bar due to its own weight (W) as compared to another similar bar carrying an additional weight (W) will be

Producer gas is obtained by

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

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)