The diaphragm moulding machine is used to
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In a centrifugal casting method
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The temperature of the inner luminous cone of neutral flame is about
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The acetylene cylinder is usually painted with
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The oxygen cylinder is usually painted with
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The operation of cutting a cylindrical hole in a sheet of metal by the punch and die is called
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A moving mandrel is used in
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The electrode tip diameter (d) in spot welding should be equal to (where t = Thickness of plate to be welded)
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Which of the following statement is wrong?
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Which of the following statement is wrong?
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Which of the following statement is wrong?
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The parts of circular cross-section which are symmetrical about the axis of rotation are made by
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The recrystallisation temperature of steel is
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The teeth of hacksaw blade are bent
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The operation of bending a sheet of metal along a curved axis, is known as
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In forehand welding, the angle between the welding torch and the work is ________ as compared to backhand welding.
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The electron beam welding can be carried out in
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Structural sections such as rails, angles, I-beams are made by
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A hacksaw blade cuts on the
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V-block is used to
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