Q. Which is the most suitable joint for the pipes, with are laid submerged under water, where the bottom of the river bed is uneven ?

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Q. Floating control action

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Q. Boiler rating is normally done in terms of

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Q. The pressure drop per unit length for laminar flow of fluid through a long pipe is proportional to (where, A = cross-sectional area of the pipe & D = Diameter of the pipe)

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Q. First empirical temperature scale conceived is the __________ temperature scale.

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Q. In continuous casting of liquid steel, the mould is made of

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Q. Diamond does not conduct electricity, because

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Q. __________ can not be forged.

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Q. Material having maximum density is

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Q. __________ cycle is the most efficient thermodynamic cycle.

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Q. Dew point of air indicates its

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Q. Out of the following, __________ waves have the largest wavelength.

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Q. Pick the odd man out of the following.

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Q. A furnace is made of a refractory brick wall of thickness 0.5 metre and thermal conductivity 0.7 W/m.°K For the same temperature drop and heat loss, this refractory wall can be replaced by a layer of diatomaceous earth of thermal conductivity 0.14 W/m.K and thickness __________ metre.

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Q. Hot working of lead is carried out at

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Q. An engineer's hammer is made of high __________ steel.

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Q. Impeller & casing of centrifugal pump handling corrosive liquid and frequently running under cavitation condition is most prone to __________ corrosion.

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Q. Isotropic materials have the same __________ in all the directions.

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Q. The gases used in the treatment of asthma is a mixture of __________ and oxygen.

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Q. Number of electrons in the outermost orbit of a semi-conductor is

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