The materials having same elastic properties in all directions are called

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The materials having same elastic properties in all directions are called

A. Ideal materials

B. Uniform materials

C. Isotropic materials

D. Piratical materials

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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 point of contraflexure is a point where

A. Shear force changes sign

B. Bending moment changes sign

C. Shear force is maximum

D. Bending moment is maximum

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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 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 path 1-2-3 is given. A system absorbs 100 kJ as heat and does 60 kJ of work while along the path 1-4-3, it does 20 kJ of work. The heat absorbed during the cycle 1-4-3 is

A. -140 kJ

B. -80 kJ

C. -40 kJ

D. +60 kJ

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The extremeties of any diameter on Mohr's circle represent

A. Principal stresses

B. Normal stresses on planes at 45°

C. Shear stresses on planes at 45°

D. Normal and shear stresses on a plane

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The value of specific heat at constant pressure (cp) is __________ that of at constant volume (cv).

A. Less than

B. Equal to

C. More than

D. None of these

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When the gas is heated at constant volume, the heat supplied

A. Increases the internal energy of the gas and increases the temperature of the gas

B. Does some external work during expansion

C. Both (A) and (B)

D. None of these

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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 property of a working substance which increases or decreases as the heat is supplied or removed in a reversible manner, is known as

A. Enthalpy

B. Internal energy

C. Entropy

D. External energy

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The absolute zero pressure can be attained at a temperature of

A. 0°C

B. 273°C

C. 273 K

D. None of these

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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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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 %

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A riveted joint in which the number otrivets decrease from innermost to outer most rows is called

A. Chain riveted joint

B. Diamond riveted joint

C. Crisscross riveted joint

D. Zigzag riveted joint

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In a prismatic member made of two materials so joined that they deform equally under axial stress, the unit stresses in two materials are

A. Equal

B. Proportional to their respective moduli of elasticity

C. Inversely proportional to their moduli of elasticity

D. Average of the sum of moduli of elasticity

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Hooke's law holds good up to

A. Yield point

B. Limit of proportionality

C. Breaking point

D. Elastic limit

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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 molecular mass expressed in gram (i.e. 1 g - mole) of all gases, at N. T. P., occupies a volume of

A. 0.224 litres

B. 2.24 litres

C. 22.4 litres

D. 224 litres

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According to Euler's column theory, the crippling load for a column of length (l) with one end fixed and the other end free is __________ the crippling load for a similar column hinged at both the ends.

A. Equal to

B. Less than

C. More than

D. None 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 measurement of a thermodynamic property known as temperature is based on

A. Zeroth law of thermodynamics

B. First law of thermodynamics

C. Second law of thermodynamics

D. None of these

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When a rectangular beam is loaded transversely, the maximum compressive stress is developed on the

A. Top layer

B. Bottom layer

C. Neutral axis

D. Every cross-section

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The gas turbine cycle with regenerator improves

A. Thermal efficiency

B. Work ratio

C. Avoids pollution

D. None of these

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Coke is produced

A. When coal is first dried and then crushed to a fine powder by pulverising machine

B. From the finely ground coal by moulding under pressure with or without a binding material

C. When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel

D. By heating wood with a limited supply of air to a temperature not less than 280°C

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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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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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In an irreversible process, there is a

A. Loss of heat

B. No loss of heat

C. Gain of heat

D. No gain of heat

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The distance between the centres of the rivets in adjacent rows of zigzag riveted joint is known as

A. Pitch

B. Back pitch

C. Diagonal pitch

D. Diametric pitch

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Which of the following is a reversible non-flow process?

A. Isochoric process

B. Isobaric process

C. Hyperbolic process

D. All of these

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Diamond riveted joint can be adopted in the case of following type of joint

A. Butt joint

B. Lap joint

C. Double riveted lap joints

D. All types of joints

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Accepted Answer

C. Isotropic materials

The materials having same elastic properties in all directions are called

Correct Answer :

Show all Strength of Materials MCQ

Related Questions

The deformation per unit length is called

The point of contraflexure is a point where

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

The efficiency of Joule cycle is

A path 1-2-3 is given. A system absorbs 100 kJ as heat and does 60 kJ of work while along the path 1-4-3, it does 20 kJ of work. The heat absorbed during the cycle 1-4-3 is

The extremeties of any diameter on Mohr's circle represent

The value of specific heat at constant pressure (cp) is __________ that of at constant volume (cv).

When the gas is heated at constant volume, the heat supplied

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

The property of a working substance which increases or decreases as the heat is supplied or removed in a reversible manner, is known as

The absolute zero pressure can be attained at a temperature of

The rivets are used for __________ fastenings.

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

A riveted joint in which the number otrivets decrease from innermost to outer most rows is called

In a prismatic member made of two materials so joined that they deform equally under axial stress, the unit stresses in two materials are

Hooke's law holds good up to

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

The molecular mass expressed in gram (i.e. 1 g - mole) of all gases, at N. T. P., occupies a volume of

According to Euler's column theory, the crippling load for a column of length (l) with one end fixed and the other end free is __________ the crippling load for a similar column hinged at both the ends.

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

The measurement of a thermodynamic property known as temperature is based on

When a rectangular beam is loaded transversely, the maximum compressive stress is developed on the

The gas turbine cycle with regenerator improves

Coke is produced

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)

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.

In an irreversible process, there is a

The distance between the centres of the rivets in adjacent rows of zigzag riveted joint is known as

Which of the following is a reversible non-flow process?

Diamond riveted joint can be adopted in the case of following type of joint

Also checkout

The materials having same elastic properties in all directions are called

Correct Answer :

Show all Strength of Materials MCQ

Related Questions

The deformation per unit length is called

The point of contraflexure is a point where

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

The efficiency of Joule cycle is

A path 1-2-3 is given. A system absorbs 100 kJ as heat and does 60 kJ of work while along the path 1-4-3, it does 20 kJ of work. The heat absorbed during the cycle 1-4-3 is

The extremeties of any diameter on Mohr's circle represent

The value of specific heat at constant pressure (cp) is __________ that of at constant volume (cv).

When the gas is heated at constant volume, the heat supplied

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

The property of a working substance which increases or decreases as the heat is supplied or removed in a reversible manner, is known as

The absolute zero pressure can be attained at a temperature of

The rivets are used for __________ fastenings.

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

A riveted joint in which the number otrivets decrease from innermost to outer most rows is called

In a prismatic member made of two materials so joined that they deform equally under axial stress, the unit stresses in two materials are

Hooke's law holds good up to

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

The molecular mass expressed in gram (i.e. 1 g - mole) of all gases, at N. T. P., occupies a volume of

According to Euler's column theory, the crippling load for a column of length (l) with one end fixed and the other end free is __________ the crippling load for a similar column hinged at both the ends.

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

The measurement of a thermodynamic property known as temperature is based on

When a rectangular beam is loaded transversely, the maximum compressive stress is developed on the

The gas turbine cycle with regenerator improves

Coke is produced

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)

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.

In an irreversible process, there is a

The distance between the centres of the rivets in adjacent rows of zigzag riveted joint is known as

Which of the following is a reversible non-flow process?

Diamond riveted joint can be adopted in the case of following type of joint

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)