Q. A freely floating object is stable, if its centre of buoyancy

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Q. Which of the following materials does not form adherent oxide film on surface ?

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Q. Cassiterite is an ore of

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Q. In sheet metal forming, stretcher strains occur in

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Q. For grinding of softer materials, the grinding wheel should have __________ grain size.

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Q. The effect of friction on the flow of steam through a nozzle is to decrease the __________ of steam.

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Q. Thermal equivalent of electrical power in practical calculation is __________ kcal/kWh.

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Q. Gross & Net calorific values will be the same for

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Q. As per the Indian boiler regulation (IBR), the type of joint preferred for the circumferential joint is the __________ joint.

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Q. Presence of small quantity of sulphur in low carbon steel improves its

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Q. LVDT used for displacement measurement is a/an __________ transducer.

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Q. A static fluid can not have

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Q. In a forced draft cooling tower, water is cooled from 95 to 80°F by exposure to air with a wet bulb temperature of 70°F. In this case, the

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Q. Which of the following is the most elastic material ?

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Q. The 'laughing gas' is

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Q. Notched bar test is used for testing the __________ of a material.

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Q. The most suitable material for die casting is

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Q. Heating of an ore below its melting point in presence of excess of air is called

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Q. Depreciation of machines fails under the indirect expenses head. As per income tax regulations, it is calculated by the __________ method.

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Q. A semi-conductor is damaged & behaves like a conductor, on passing a strong electric current through it, because it heats up the crystals & breaks the covalant bonds resulting in __________ electrons.

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