### Related Questions

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# The specific heat of water is

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

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# Shear modulus is the ratio of

A. Linear stress to linear strain

B. Linear stress to lateral strain

C. Volumetric strain to linear strain

D. Shear stress to shear strain

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# The shear force diagram of a cantilever beam of length l and carrying a uniformly distributed load of w per unit length will be

A. A right angled triangle

C. An equilateral triangle

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

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# The variables which control the physical properties of a perfect gas are

A. Pressure exerted by the gas

B. Volume occupied by the gas

C. Temperature of the gas

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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

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# The standard value of atmospheric pressure taken at sea level is

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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 root mean square velocity of the gas molecules is given by (where k = Boltzmann's constant, T = Absolute temperature, and m = Mass of one molecule of a gas)

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# In the torsion equation T/J = τ/r = Gθ/ L, the term J/R is called

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# Steam coal is a

C. Coking bituminous coal

D. Non-coking bituminous coal

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# The columns whose slenderness ratio is less than 80, are known as

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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

C. Crisscross riveted joint

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# The torque transmitted by a solid shaft of diameter (D) is (where τ = Maximum allowable shear stress)

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# In closed cycle gas turbine, the air is compressed

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# Which of the following statement is incorrect?

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

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

C. A good fuel should have low ignition point

D. The liquid fuels consist of hydrocarbons

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# The ideal efficiency of a Brayton cycle without regeneration, with increase in pressure ratio will

D. Increase/decrease depending on application

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# Stirling and Ericsson cycles are

C. Semi-reversible cycles

D. Adiabatic irreversible cycles

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# The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is always __________ one.

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

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# Which of the following cycles has maximum efficiency?

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# A cycle consisting of one constant pressure, one constant volume and two isentropic processes is known as

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# A beam which is fixed at one end and free at the other is called

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# A steel bar of 5 mm is heated from 25°C to 45°C and it is free to expand. The bar will induce

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# Two closely coiled helical springs 'A' and 'B' are equal in all respects but the number of turns of spring 'A' is half that of spring 'B' The ratio of deflections in spring 'A' to spring 'B' is

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# The efficiency of Stirling cycle is __________ Carnot cycle.

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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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# The deformation per unit length is called