### Related Questions

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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

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# The given figure shows the Mohr's circle of stress for two unequal and like principal stresses (σx and σy) acting at a body across two mutually perpendicular planes. The normal stress on an oblique section making an angle θ with the minor principle plane is given by

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# The bending moment of a cantilever beam of length l and carrying a uniformly distributed load of w per unit length is __________ at the fixed end.

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# A vertical column has two moments of inertia (i.e. Ixx and Iyy ). The column will tend to buckle in the direction of the

B. Perpendicular to the axis of load

C. Maximum moment of inertia

D. Minimum moment of inertia

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# Mond 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 efficiency of Diesel cycle depends upon

D. Cut-off ratio and compression ratio

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# For the same compression ratio, the efficiency of Diesel cycle is __________ Otto cycle.

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# The absolute zero pressure will be

A. When molecular momentum of the system becomes zero

C. At the temperature of - 273 K

D. At the centre of the earth

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# The most probable velocity of the gas molecules is given by

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# The absolute zero temperature is taken as

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# Reversed Joule cycle is known as

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# The oxygen atom is ________ times heavier than the hydrogen atom.

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# In a tensile test on mild steel specimen, the breaking stress as compared to ultimate tensile stress is

D. More/less depending on composition

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# During which of the following process does heat rejection takes place in Carnot cycle?

C. Isothermal compression

D. Isentropic compression

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# The materials having same elastic properties in all directions are called

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# Diesel cycle consists of __________ processes.

A. Two constant volume and two isentropic

B. Two constant pressure and two isentropic

C. Two constant volume and two isothermal

D. One constant pressure, one constant volume and two isentropic

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# For a beam, as shown in the below figure, the deflection at C is (where E = Young's modulus for the beam material, and I = Moment of inertia of the beam section.

C. [Wa/(a√3) x EIl] x (l² - a²)3/2

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# A body is subjected to a direct tensile stress of 300 MPa in one plane accompanied by a simple shear stress of 200 MPa. The maximum shear stress will be

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# The following cycle is used for air craft refrigeration

D. Reversed Brayton cycle

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# When two plates are butt together and riveted with cover plates with two rows of rivets, the joint is known as

C. Single riveted single cover butt joint

D. Double riveted double cover butt joint

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# Flow stress corresponds to

C. Plastic deformation of solids

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# The layer at the centre of gravity of the beam as shown in the below figure, will be

C. Neither in tension nor in compression

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# Which of the following is the extensive property of a thermodynamic system?

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# The absolute zero pressure can be attained at a temperature of

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# The ratio of direct stress to volumetric strain in case of a body subjected to three mutually perpendicular stresses of equal intensity, is equal to

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# The maximum diameter of the hole that can be punched from a plate of maximum shear stress 1/4th of its maximum crushing stress of punch, is equal to (where t = Thickness of the plate)

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

A. (11/3) CO_{2} + (3/7) CO

B. (3/7) CO_{2} + (11/3) CO

C. (7/3) CO_{2} + (3/11) CO

D. (3/11) CO_{2} + (7/3) CO

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# The efficiency of Ericsson cycle is __________ Carnot cycle.

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# For a beam, as shown in the below figure, when the load W is applied in the centre of the beam, the maximum deflection is

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# Stirling and Ericsson cycles are

C. Semi-reversible cycles

D. Adiabatic irreversible cycles