Q. The thickness of oxide film is y at time t. If K₁, K₂ and K₃ are the temperature dependent constants, the parabolic law of oxidation is given by

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Q. Which of the following has the least value of ultimate tensile strength (UTS) ?

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Q. Which of the following is a commonly used manometric liquid for low pressure range?

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Q. The highest stress that a material can withstand for a specified length of time without excessive deformation is called the __________ strength.

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Q. Metal shots used in shot blasting are made of

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Q. At the point of boundary layer separation in fluid flow, the

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Q. Brinell Hardness Number (BHN) for talc is approximately in the range of

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Q. A spring material should have low

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Q. The function of neutral flux used in the pyrometallurgy of metal extraction is to increase the __________ of the slag.

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Q. The thermodynamic law, PVᵞ = constant, is not followed by the

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Q. Pick out the wrong statement about the machinability of metals. Machinability of a metal

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Q. The refrigerant freon-12 is chemically

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Q. Which of the following phenomenon will exhibit the minimum heat transfer?

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Q. __________ property of steel increases by addition of large amount of silicon in it.

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Q. __________ stress can not be sustained by a fluid in equilibrium.

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Q. __________ test can be termed as the semi-distructive test.

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Q. Uniform ramming of sand in green sand moulding process leads to

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Q. The yield point phenomenon observed in annealed low carbon steel is due to the presence of the following element.

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Q. Wave length of X-rays is about 1 angstron, however it can not pass through a sheet of

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Q. Alloying elements present in Hayness stel-lite, which has superior performance than high speed steel, are

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