Q. Resistance of an electrical conductor is proportional to its (where, l = length and A = cross-sectional area of the conductor)

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Q. A solar cell converts the sunlight directly into __________ energy.

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Q. If a nuclear reactor produces more fissile nuclear fuel than it consumes, then it is called a __________ reactor.

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Q. Wrought iron is never shaped by

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Q. Which one of the following is incombustible ?

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Q. The softness or hardness of a grinding wheel depends upon the type & amount of bonding material used. For general purpose cutter grinding __________ grinding wheel is normally used.

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Q. Tin based white metals are used, where bearings are subjected to

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Q. Friction factor for fluid flow in pipe does not depend upon the

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Q. All of the following alloying elements of steel increases hardness but sacrifice ductility, except

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Q. The following type of bonding is strongly directional in solids.

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Q. Fog is an example of colloidal system of

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Q. Chromium molybdenum steel can not be welded using __________ welding.

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Q. Speisses is a mixture of the following:

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Q. Auto collimator is used to check

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Q. Area under the stress-strain curve upto the __________ is referred to as the modulus of resilience.

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Q. __________ is the hardest oxide and is hence used where high wear resistance at high temperature is required.

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Q. Titanium alloys are welded using the Following process:

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Q. An alloy of Fe - 0.4 % C is

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Q. A material in which the atoms are arranged regularly in some directions but not in others, is termed as 'mesomorphous material'; an example of which is

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Q. Maximum amount of thermal radiation is emitted at all wavelengths at any specified temperature by a/an __________ body.

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