The hard coke is obtained when carbonisation of coal is carried out at

Question

The hard coke is obtained when carbonisation of coal is carried out at

A. 300° to 500°C

B. 500° to 700°C

C. 700° to 900°C

D. 900° to 1100°C

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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.

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The efficiency of Diesel cycle approaches to Otto cycle efficiency when

A. Cut-off is increased

B. Cut-off is decreased

C. Cut-off is zero

D. Cut-off is constant

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According to Kelvin-Planck's statement, a perpetual motion of the __________ is impossible.

A. First kind

B. Second kind

C. Third kind

D. None of these

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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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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

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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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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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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 change of entropy, when heat is absorbed by the gas, is

A. Positive

B. Negative

C. Positive or negative

D. None of these

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The heating of a gas at constant pressure is governed by

A. Boyle's law

B. Charles' law

C. Gay-Lussac law

D. Avogadro's law

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One Joule (J) is equal to

A. 1 N-m

B. 1 kN-m

C. 10 N-m/s

D. 10 kN-m/s

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Within elastic limit, stress is

A. Inversely proportional to strain

B. Directly proportional to strain

C. Square root of strain

D. Equal to strain

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The point of contra flexure is a point where

A. Shear force changes sign

B. Shear force is maximum

C. Bending moment changes sign

D. Bending moment is maximum

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The specific heat of water is

A. 1.817

B. 2512

C. 4.187

D. None of these

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The maximum stress produced in a bar of tapering section is at

A. Smaller end

B. Larger end

C. Middle

D. Anywhere

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The strain energy stored in a solid circular shaft 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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Which of the following is an irreversible cycle?

A. Carnot

B. Stirling

C. Ericsson

D. None of the above

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The heat supplied to the gas at constant volume is (where m = Mass of gas, c_v = Specific heat at constant volume, c_p = Specific heat at constant pressure, T₂ - T₁ = Rise in temperature, and R = Gas constant)

A. mR (T₂ - T₁)

B. mc_v (T₂ - T₁)

C. mc_p (T₂ - T₁)

D. mc_p (T₂ + T₁)

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If the depth is kept constant for a beam of uniform strength, then its width will vary in proportional to

A. Bending moment (i.e. M)

B. Bending moment² (i.e. M²)

C. Bending moment³ (i.e. M³)

D. Bending moment⁴ (i.e. M⁴)

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An adiabatic process is one in which

A. No heat enters or leaves the gas

B. The temperature of the gas changes

C. The change in internal energy is equal to the mechanical workdone

D. All of the above

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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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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 natural petroleum may be separated into

A. Petrol

B. Kerosene

C. Fuel oil

D. Lubricating oil

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The principal constituents of a fuel are

A. Carbon and hydrogen

B. Oxygen and hydrogen

C. Sulphur and oxygen

D. Sulphur and hydrogen

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The main cause for the irreversibility is

A. Mechanical and fluid friction

B. Unrestricted expansion

C. Heat transfer with a finite temperature difference

D. All of the above

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Reversed Joule cycle is known as

A. Carnot cycle

B. Bell-Coleman cycle

C. Rankine cycle

D. Stirling cycle

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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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An isothermal process is governed by

A. Boyle's law

B. Charles' law

C. Gay-Lussac law

D. Avogadro's law

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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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Energy can neither be created nor destroyed, but it can be transformed from one form to another. This statement is known as

A. Zeroth law of thermodynamics

B. First law of thermodynamics

C. Second law of thermodynamics

D. Kinetic theory of gases

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Accepted Answer

D. 900° to 1100°C

The hard coke is obtained when carbonisation of coal is carried out at

Correct Answer :

Show all Strength of Materials MCQ

Related Questions

Which of the following statement is incorrect?

The efficiency of Diesel cycle approaches to Otto cycle efficiency when

According to Kelvin-Planck's statement, a perpetual motion of the __________ is impossible.

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

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

Resilience is the

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

Otto cycle is also known as

The change of entropy, when heat is absorbed by the gas, is

The heating of a gas at constant pressure is governed by

One Joule (J) is equal to

Within elastic limit, stress is

The point of contra flexure is a point where

The specific heat of water is

The maximum stress produced in a bar of tapering section is at

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

Which of the following is an irreversible cycle?

The heat supplied to the gas at constant volume is (where m = Mass of gas, c_v = Specific heat at constant volume, c_p = Specific heat at constant pressure, T₂ - T₁ = Rise in temperature, and R = Gas constant)

If the depth is kept constant for a beam of uniform strength, then its width will vary in proportional to

An adiabatic process is one in which

The efficiency of Joule cycle 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 natural petroleum may be separated into

The principal constituents of a fuel are

The main cause for the irreversibility is

Reversed Joule cycle is known as

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.

An isothermal process is governed by

The absolute zero pressure can be attained at a temperature of

Energy can neither be created nor destroyed, but it can be transformed from one form to another. This statement is known as

Also checkout

The hard coke is obtained when carbonisation of coal is carried out at

Correct Answer :

Show all Strength of Materials MCQ

Related Questions

Which of the following statement is incorrect?

The efficiency of Diesel cycle approaches to Otto cycle efficiency when

According to Kelvin-Planck's statement, a perpetual motion of the __________ is impossible.

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

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

Resilience is the

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

Otto cycle is also known as

The change of entropy, when heat is absorbed by the gas, is

The heating of a gas at constant pressure is governed by

One Joule (J) is equal to

Within elastic limit, stress is

The point of contra flexure is a point where

The specific heat of water is

The maximum stress produced in a bar of tapering section is at

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

Which of the following is an irreversible cycle?

The heat supplied to the gas at constant volume is (where m = Mass of gas, cv = Specific heat at constant volume, cp = Specific heat at constant pressure, T2 - T1 = Rise in temperature, and R = Gas constant)

If the depth is kept constant for a beam of uniform strength, then its width will vary in proportional to

An adiabatic process is one in which

The efficiency of Joule cycle 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 natural petroleum may be separated into

The principal constituents of a fuel are

The main cause for the irreversibility is

Reversed Joule cycle is known as

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.

An isothermal process is governed by

The absolute zero pressure can be attained at a temperature of

Energy can neither be created nor destroyed, but it can be transformed from one form to another. This statement is known as

Also checkout

The heat supplied to the gas at constant volume is (where m = Mass of gas, c_v = Specific heat at constant volume, c_p = Specific heat at constant pressure, T₂ - T₁ = Rise in temperature, and R = Gas constant)