GATE PI 1992 | GATE PI Year Wise Previous Years Questions

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GATE PI 1992

MCQ (Single Correct Answer)

-0.6

A hemispherical cup of radius $$'R'$$ is formed in a press working operation. The radius of blank would be

$$\sqrt 2 \,\,R$$

$$\sqrt 3 \,\,R$$

$$\sqrt {{\raise0.5ex\hbox{$\scriptstyle 2$} \kern-0.1em/\kern-0.15em \lower0.25ex\hbox{$\scriptstyle 3$}}} \,\,R$$

$$\sqrt {{\raise0.5ex\hbox{$\scriptstyle 3$} \kern-0.1em/\kern-0.15em \lower0.25ex\hbox{$\scriptstyle 2$}}} \,\,R$$

GATE PI 1992

Subjective

-0

GATE PI 1992

MCQ (Single Correct Answer)

-0.3

Thread rolling is restricted to

ferrous materials

ductile materials

hard materials

none of the above

GATE PI 1992

MCQ (Single Correct Answer)

-0.6

If the elongation factor during rolling of an ingot is $$1.22.$$ The minimum number of passes needed to produce a section $$250 \times 250\,\,mm$$ from an ingot of $$750 \times 750\,\,mm$$ are

$$8$$

$$9$$

$$10$$

$$17$$

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