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(a) Aluminum alloy …. Pressure die casting Piston (b) Jewellery ….. Lost wax process

asked Dec 22, 2017 in production by chandu (215k points)

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1. Pit moulding ….. for large jobs 2. Investment moulding ….. Lost wax process

asked Dec 22, 2017 in production by chandu (215k points)

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Misrun is a casting deflect which occurs due to

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Which of the following methods are used for obtaining directional solidification for riser design?

asked Dec 22, 2017 in production by chandu (215k points)

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Consider the following ingredients used in moulding

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Directional solidification in castings can be improved by using

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Match List – I (Product) with List – II (Process of Manufacture)

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Aluminum alloys are cast in hot chamber die casting machine.

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Which of the following materials can be used for making patterns?

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In a mould, a riser is designed and placed so that the riser will solidify after the casting has solidified

asked Dec 22, 2017 in production by chandu (215k points)

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Which of the following metal shrinks most from molten state to solid state?

asked Dec 22, 2017 in production by chandu (215k points)

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The most preferred process for casting gas turbine blade is

asked Dec 22, 2017 in production by chandu (215k points)

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The force required for a total combined deflection of 45 mm through the two springs is

asked Dec 22, 2017 in md by chandu (215k points)

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The effect of stress concentration and of deflection in the spring , when the modulus of rigidity is 80 kN/mm2.

asked Dec 22, 2017 in md by chandu (215k points)

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The equivalent stiffness of the two springs is.

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The loads shared by the springs will be

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A close-coiled helical spring of 10 active turns is made of 8mm diameter steel wire.

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The angular frequency of vibration

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Concentric springs are used when outside diameter is limited and higher load carrying capacity is required

asked Dec 21, 2017 in md by chandu (215k points)

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The maximum force on each spring (assuming gradually increasing load) is:

asked Dec 21, 2017 in md by chandu (215k points)

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