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

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

A. Th > Ts

B. Th < Ts

C. Th = Ts

D. None of these

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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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Which of the following statement is correct?

A. The heat and work are boundary phenomena

B. The heat and work represent the energy crossing the boundary of the system

C. The heat and work are path functions

D. All of the above

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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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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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The rivets are used for __________ fastenings.

A. Permanent

B. Temporary

C. Semi-permanent

D. None of these

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Elasticity of Mild Steel specimen is defined by

A. Hookes law

B. Yield point

C. Plastic flow

D. Proof stress

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The pressure exerted by an ideal gas is ________ of the kinetic energy of all the molecules contained in a unit volume of gas.

A. One-half

B. One-third

C. Two-third

D. Three-fourth

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One kg of carbon monoxide requires 4/7 kg of oxygen and produces

A. 11/3 kg of carbon dioxide gas

B. 7/3 kg of carbon monoxide gas

C. 11/7 kg of carbon dioxide gas

D. 8/3 kg of carbon monoxide gas

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

A. 4/7

B. 11/4

C. 9/7

D. All of these

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The mass of carbon per kg of flue gas is given by

A. (11/3) CO₂ + (3/7) CO

B. (3/7) CO₂ + (11/3) CO

C. (7/3) CO₂ + (3/11) CO

D. (3/11) CO₂ + (7/3) CO

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When a closely-coiled helical spring of mean diameter (D) is subjected to an axial load (W), the deflection of the spring (δ) is given by (where d = Diameter of spring wire, n = No. of turns of the spring, and C = Modulus of rigidity for the spring material)

A. WD3n/Cd⁴

B. 2WD3n/Cd⁴

C. 4WD3n/Cd⁴

D. 8WD3n/Cd⁴

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The general gas equation is (where p = Pressure, v = Volume, m = mass, T = Absolute temperature, and R = Gas constant)

A. pv = mRT

B. pv = RTm

C. pvm = C

D. pv = (RT)m

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The gas in cooling chamber of a closed cycle gas turbine is cooled at

A. Constant volume

B. Constant temperature

C. Constant pressure

D. None of these

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A process, in which the temperature of the working substance remains constant during its expansion or compression, is called

A. Isothermal process

B. Hyperbolic process

C. Adiabatic process

D. Polytropic process

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Which of the following cycles has maximum efficiency?

A. Rankine

B. Stirling

C. Carnot

D. Brayton

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The ultimate tensile stress of mild steel compared to ultimate compressive stress is

A. Same

B. More

C. Less

D. Unpredictable

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The ratio of molar specific heats for mono-atomic gas is

A. 1

B. 1.4

C. 1.67

D. 1.87

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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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For same compression ratio and for same heat added

A. Otto cycle is more efficient than Diesel cycle

B. Diesel cycle is more efficient than Otto cycle

C. Efficiency depends on other factors

D. Both Otto and Diesel cycles are equally efficient

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The stress induced in a body, when suddenly loaded, is ________ the stress induced when the same load is applied gradually.

A. Equal to

B. One-half

C. Twice

D. Four times

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A thin mild steel wire is loaded by adding loads in equal increments till it breaks. The extensions noted with increasing loads will behave as under

A. Uniform throughout

B. Increase uniformly

C. First increase and then decrease

D. Increase uniformly first and then increase rapidly

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The atomic mass of sulphur is

A. 12

B. 14

C. 16

D. 32

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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

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The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle)

A. (T₁/T₂) - 1

B. 1 - (T₁/T₂)

C. 1 - (T₂/T₁)

D. 1 + (T₂/T₁)

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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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Proof resilience per material is known as

A. Resilience

B. Proof resilience

C. Modulus of resilience

D. Toughness

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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 stress necessary to initiate yielding is

A. Considerably greater than that necessary to continue it

B. Considerably lesser than that necessary to continue it

C. Greater than that necessary to stop it

D. Lesser than that necessary to stop it

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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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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

Discuss this answer

Accepted Answer

A. Th > Ts

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

Correct Answer :

Show all Strength of Materials MCQ

Related Questions

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

Which of the following statement is correct?

Resilience is the

First law of thermodynamics deals with

The rivets are used for __________ fastenings.

Elasticity of Mild Steel specimen is defined by

The pressure exerted by an ideal gas is ________ of the kinetic energy of all the molecules contained in a unit volume of gas.

One kg of carbon monoxide requires 4/7 kg of oxygen and produces

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

The mass of carbon per kg of flue gas is given by

When a closely-coiled helical spring of mean diameter (D) is subjected to an axial load (W), the deflection of the spring (δ) is given by (where d = Diameter of spring wire, n = No. of turns of the spring, and C = Modulus of rigidity for the spring material)

The general gas equation is (where p = Pressure, v = Volume, m = mass, T = Absolute temperature, and R = Gas constant)

The gas in cooling chamber of a closed cycle gas turbine is cooled at

A process, in which the temperature of the working substance remains constant during its expansion or compression, is called

Which of the following cycles has maximum efficiency?

The ultimate tensile stress of mild steel compared to ultimate compressive stress is

The ratio of molar specific heats for mono-atomic gas is

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

For same compression ratio and for same heat added

The stress induced in a body, when suddenly loaded, is ________ the stress induced when the same load is applied gradually.

A thin mild steel wire is loaded by adding loads in equal increments till it breaks. The extensions noted with increasing loads will behave as under

The atomic mass of sulphur is

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

The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle)

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

Proof resilience per material is known as

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 stress necessary to initiate yielding is

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

Also checkout

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

Correct Answer :

Show all Strength of Materials MCQ

Related Questions

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

Which of the following statement is correct?

Resilience is the

First law of thermodynamics deals with

The rivets are used for __________ fastenings.

Elasticity of Mild Steel specimen is defined by

The pressure exerted by an ideal gas is ________ of the kinetic energy of all the molecules contained in a unit volume of gas.

One kg of carbon monoxide requires 4/7 kg of oxygen and produces

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

The mass of carbon per kg of flue gas is given by

When a closely-coiled helical spring of mean diameter (D) is subjected to an axial load (W), the deflection of the spring (δ) is given by (where d = Diameter of spring wire, n = No. of turns of the spring, and C = Modulus of rigidity for the spring material)

The general gas equation is (where p = Pressure, v = Volume, m = mass, T = Absolute temperature, and R = Gas constant)

The gas in cooling chamber of a closed cycle gas turbine is cooled at

A process, in which the temperature of the working substance remains constant during its expansion or compression, is called

Which of the following cycles has maximum efficiency?

The ultimate tensile stress of mild steel compared to ultimate compressive stress is

The ratio of molar specific heats for mono-atomic gas is

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

For same compression ratio and for same heat added

The stress induced in a body, when suddenly loaded, is ________ the stress induced when the same load is applied gradually.

A thin mild steel wire is loaded by adding loads in equal increments till it breaks. The extensions noted with increasing loads will behave as under

The atomic mass of sulphur is

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

The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle)

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

Proof resilience per material is known as

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 stress necessary to initiate yielding is

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

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)