Q. __________ is the most suitable lubricant for drawing mild steel wires?

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Q. Reduction in the grain size reduces the __________ of the material.

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Q. Absolute zero, pressure will occur, when the molecular momentum of the system becomes zero. A liquid will cease to exist as liquid at

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Q. In case of simple harmonic motion, displacement is proportional to the

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Q. Device used as a standard for the calibration of pressure gauges is a

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Q. X-rays are

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Q. Diffusion co-efficient of a metal in a solid solution depends upon its

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Q. Cast iron contains __________ percent carbon.

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Q. Alloys having more than 80% copper are generally more

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Q. Theoretical volume of oxygen required for complete combustion of 1Nm³ of acetylene, in oxy-acetylene welding is __________ Nm³ .

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Q. Out of the following, the joint produced by __________ has the lowest strength.

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Q. Dies for wire drawing are generally made of

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Q. The starting of a car takes time in winter, because the

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Q. The elastic strain in copper is due to the

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Q. Ammonia leakage in the refrigeration system is detected by

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Q. Fibre glass is a composite material of

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Q. According to thermodynamic Farenhite scale, the fundamental interval between ice point to steam point is

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Q. Maximum consumption of limestone is in the __________ industry.

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Q. Austenite is not

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Q. Stainless steel is welded with difficulty because of

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