GATE PI 2003 | GATE PI Year Wise Previous Years Questions

GATE PI 2003

MCQ (Single Correct Answer)

-0.3

The drawing shows a machined shaft. The purpose of providing rounded grooves at $$M$$ and $$N$$ is to GATE PI 2003 Machine Tools and Machining - Machining Question 21 English

GATE PI 2003 Machine Tools and Machining - Machining Question 21 English

Supply lubricating oil for bearing mounting

Facilitate facing operation

Facilitate grinding of bearing mounting surface

Reduce stress concentration

GATE PI 2003

MCQ (Single Correct Answer)

-0.6

Match the mechanism with Machine GATE PI 2003 Machine Tools and Machining - Machining Question 24 English

$$P - 3,\,\,Q - 1,\,\,R - 2,\,\,S - 4$$

$$P - 3,\,\,Q - 4,\,\,R - 1,\,\,S - 5$$

$$P - 2,\,\,Q - 4,\,\,R - 5,\,\,S - 3$$

$$P - 2,\,\,Q - 3,\,\,R - 4,\,\,S - 5$$

GATE PI 2003

MCQ (Single Correct Answer)

-0.6

Orthogonal machining of a steel work-piece is done with a $$HSS$$ tool of zero rake angle. The ratio of the cutting force and the thrust force on the tool is $$1:0.372.$$ The length of cut chip is $$4.71$$ $$mm$$ while the uncut chip length is $$10$$ $$mm.$$ What are the shear plane angle $$\phi $$ and friction angle $$\beta $$ in deg.? Use Merchant's theory.

$$32.49, 10.22$$

$$25.22, 20.41$$

$$64.78, 20.41$$

$$25.22, 23.21$$

GATE PI 2003

MCQ (Single Correct Answer)

-0.6

Match list - $${\rm I}$$ (machine tool) with list - $${\rm I}$$$${\rm I}$$ (machine tool part) GATE PI 2003 Machine Tools and Machining - Machining Question 26 English

$$A - 4,\,\,B - 2,\,\,C - 3,\,\,D - 1$$

$$A - 1,\,\,B - 3,\,\,C - 2,\,\,D - 4$$

$$A - 4,\,\,B - 3,\,\,C - 2,\,\,D - 1$$

$$A - 1,\,\,B - 2,\,\,C - 3,\,\,D - 4$$

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