Q. Gage pressure within a spherical droplet of a fluid is 'p'. What will be gage pressure within a bubble of the same size & of the same fluid ?

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Q. While the bin cards are used in the effective stores management, the queing theory is associated with the __________ time.

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Q. Diameter of the rivet to be provided on a 20 mm. thick boiler plate will be __________ mm.

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Q. A material is capable of resisting softening at high temperature, because of its property termed as

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Q. Cascade control is

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Q. Softening of hardned steel is done by its

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Q. Air/fuel ratio by weight for combustion of methane with theoretical quantity of air will be about

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Q. Which of the following alloying elements is present in maximum percentage in high speed steel.

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Q. The delivery pressure of boiler feed water pump compared to the boiler steam pressure is

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Q. The excess air required for the combustion of pulverised coal is of the order of about __________ percent.

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Q. Pick out the wrong statement.

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Q. __________ of austenite decreases the hardenability in steel.

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Q. A jig is used while __________ a hole.

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Q. Which of the following is not a cupro-nick-el alloy ?

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Q. Electrochemical corrosion occurs

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Q. The ability of tool steel to resist softening at high temperatures is termed as __________ hardness.

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Q. Improvement in mechanical properties of metals in its hot working is due to the grains

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Q. Young's modulus of elasticity of a material is the slope of the initial linear portion of the stress-strain curve. It decreases ap-preciablyby

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Q. Batch process is preferred over continuous process, when the

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Q. Which of the following is a permanent fastening?

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