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GATE Mechanical 1991 Question

Subjective Type Answer by Yourself

GATE Mechanical 1996 Question

Subjective Type Answer by Yourself

GATE Mechanical 2001 Question

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resistance spot welding is performed on two plates of $$1.5$$ $$mm$$ thickness with $$6$$ $$mm$$ diameter electrode, using $$15000$$ $$A$$ current for a time duration of $$0.25sec$$. assuming the interface resistance to be $$0.0001\Omega ,$$ the heat generated to form the weld is
A
$$5625$$ $$W$$-$$sec$$
B
$$8437$$ $$W$$-$$sec$$
C
$$22500$$ $$W$$-$$sec$$
D
$$33750$$ $$W$$-$$sec$$

GATE Mechanical 2003 Question

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Match the following
A
$$P - 2,\,\,Q - 5,\,\,R - 1,\,\,S - 3$$
B
$$P - 6,\,\,Q - 3,\,\,R - 4,\,\,S - 4$$
C
$$P - 4,\,\,Q - 1,\,\,R - 6,\,\,S - 2$$
D
$$P - 5,\,\,Q - 4,\,\,R - 2,\,\,S - 6$$

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