GATE PI 2003 | GATE PI Year Wise Previous Years Questions

GATE PI 2003

MCQ (Single Correct Answer)

-0.6

A casting of size $$100\,\,mm \times 100\,\,mm \times 50\,\,mm$$ is required. Assume volume shrinkage of casting $$2.6\% $$. If the height of the riser is $$80$$ $$mm$$ and riser volume desired is $$4$$ times the shrinkage in casting, what is the appropriate riser diameter in $$mm?$$

$$14.38$$

$$20.34$$

$$28.76$$

$$57.52$$

GATE PI 2003

MCQ (Single Correct Answer)

-0.3

High speed electron beam welding is focused on the weld spot using

vacuum lens

inert gas lens

optical lens

magnetic lens

GATE PI 2003

MCQ (Single Correct Answer)

-0.6

Which of the following process can be used for welding of Aluminium alloys
$$P.$$ Submerged arc welding
$$Q.$$ Gas metal arc welding
$$R.$$ Electroslag welding
$$S.$$ Gas tungsten arc welding

$$P,Q$$

$$Q,S$$

$$Q,R$$

$$R,S$$

GATE PI 2003

MCQ (Single Correct Answer)

-0.6

Match List - I (welding defects) with List - II (causes) and select the correct answer using the codes given below the lists GATE PI 2003 Joining of Materials - Welding Question 30 English

GATE PI 2003 Joining of Materials - Welding Question 30 English

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

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

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

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

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