Q. The specific gravity of coal depends mainly on its __________ content.

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Q. In case of condensers & evaporators operating under given terminal conditions, LMTD (logarithmic mean temperature difference) for counter flow as compared to that for parallel flow is

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Q. Normalising does not __________ of a metal.

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Q. Which of the following hardness tests does not measure the indentation hardness of metals and alloys ?

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Q. To counteract the bad effects of strain hardening on a cold formed part, it must be

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Q. The dew point temperature lines on psychrometric charts are straight inclined sloping downwards to the right. When relative humidity of moist air is 100%, then

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Q. Galvanic corrosion can not be prevented by

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Q. Fire in fuel gas pipelines is extinguished most effectively by

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Q. Which of the following is the most suitable abrasive for grinding high tensile strength materials ?

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Q. The most suitable material of construction for a sewer to carry sewage under high pressure is

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Q. Filler material used in welding should have __________ as compared to the parent metal to be welded.

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Q. Oxygen cylinders used for autogenous (cutting/welding) purposes are

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Q. Identify the correct statement.

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Q. Dowtherm is a

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Q. In chemical dehumidification process

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Q. Secondary hardening in steels arises out of the

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Q. Drills are usually made of

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Q. Tumbling is the process of improving the __________ of the materials/parts.

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Q. The __________ of a double acting reciprocating pump as compared to the single acting pump will be almost double.

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Q. __________ circuit is most commonly used to measure strain with the help of a strain gauge.

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