GATE PI 2003 | GATE PI Year Wise Previous Years Questions

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

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

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

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

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

GATE PI 2003

MCQ (Single Correct Answer)

-0.6

GATE PI 2003 Joining of Materials - Welding Question 31 English

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

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

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

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

GATE PI 2003

MCQ (Single Correct Answer)

-1.5

A weld is made using $$MIG$$ welding process with the following welding parameters: Current: $$200A;$$ Voltage: $$25V;$$ Welding speed: $$18$$ $$cm/min;$$ wire diameter: $$1.2$$ $$mm;$$ Wire feed rate: $$4$$ $$m/min;$$ Thermal efficiency of the process: $$65\% $$

The heat input per unit length of the weld in $$kJ/cm$$ is:

$$0.18$$

$$0.28$$

$$10.83$$

$$16.66$$

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2017