Q. Desert air coolers being rendered ineffective in rainy season is due to

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Q. The hydraulic radius of a circular pipe of diameter 'd' flowing full is

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Q. Flywheel is provided in a machine to

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Q. Nickel is a __________ material.

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Q. Grey cast iron (used for making underground water pipes and manhole covers) as compared to steel has higher

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Q. L.D. converters are generally lined with

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Q. When the weight of a ball inside the ball mill is just balanced by the centrifugal force,

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Q. When water is sprayed on air, passing through an insulated chamber maintained at a temperature higher than the dew point of entering air but lower than its dry bulb temperature, then the air is

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Q. The hardness of the lathe bed material is measured by the

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Q. RADAR is

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Q. In the floatation process, pine oil is used as the

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Q. With increasing carbon percent in steel beyond 0.8%, its ultimate tensile strength (UTS) and __________ is not affected.

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Q. Unit molar solution of __________ is the best conductor of electricity.

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Q. A coal with high __________ content will ignite most easily.

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Q. The weight of a body at the centre of the earth is

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Q. For the same heat input & compression ratio, efficiency of Otto cycle is higher than that of diesel cycle, because in Otto cycle.

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Q. The single most imortant requirement for a turbine blade material is

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Q. Pick out the correct statement.

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Q. Ageing of steel refers to the

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Q. When dry bulb temperature & wet bulb temperature of moist air is the same, it means that the

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