GATE PI 2004 | GATE PI Year Wise Previous Years Questions

GATE PI 2004

MCQ (Single Correct Answer)

-0.6

For machining the circular arc shown in the figure below on a $$NC$$ machine, the interpolation parameters $$(I.K)$$ and the incremental movements in the direction of the $$X$$ and $$Z$$ axes are programmed as GATE PI 2004 Machine Tools and Machining - Advance Machine Tools Question 20 English

GATE PI 2004 Machine Tools and Machining - Advance Machine Tools Question 20 English

$${\rm I} = 0,\,\,K = R,\,\,X = - \left( {R - P} \right),\,\,Z = - Q$$

$${\rm I} = R,\,\,K = 0,\,\,X = - \left( {R - P} \right),\,\,Z = - Q$$

$${\rm I} = P,\,\,K = Q,\,\,X = R,\,\,Z = R - Q$$

$${\rm I} = Q,\,\,K = P,\,\,X = \left( {R - P} \right),\,\,Z = R$$

GATE PI 2004

MCQ (Single Correct Answer)

-0.6

The extrusion process(es) used for the production of toothpaste tubes is / are

$$1.$$ Tube extrusion
$$2.$$ Forward extrusion
$$3.$$ Impact extrusion

$$1$$ only

$$1$$ & $$2$$

$$2$$ & $$3$$

$$3$$ only

GATE PI 2004

MCQ (Single Correct Answer)

-0.6

A cylindrical cup of $$48.5$$ $$mm$$ diameter and $$52$$ $$mm$$ height has a corner radius of $$1.5$$ $$mm$$ Cold rolled steel sheet of thickness $$1.5$$ $$mm$$ is used to produce the cup. Assume trim allowance as $$2$$ $$mm$$ per $$25$$ $$mm$$ of cup diameter. What is the blank size in $$mm$$ ?

$$102.0$$

$$115.4$$

$$120.5$$

$$128.5$$

GATE PI 2004

MCQ (Single Correct Answer)

-0.6

Determine the load required to punch a $$20$$ $$mm$$ diameter hole in $$2$$ $$mm$$ thick sheet. The properties of the material of the sheet are:
Tensile strength $$-580$$ $$MPa;$$
Yield strength in tension $$-410$$ $$MPa$$
Shear strength $$-350$$ $$MPa;$$
Yield strength in shear $$-250$$ $$MPa$$

The load in $$kN$$ is:

$$31.40$$

$$43.98$$

$$64.40$$

$$91.10$$

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