GATE PI 2011 | Welding Question 9 | Joining of Materials

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GATE PI 2011

MCQ (Single Correct Answer)

-0.3

Which of the following welding process results in the smallest heat affected zone

Shielded metal arc welding

Gas welding

Laser beam welding

Thermit welding

GATE PI 2004

MCQ (Single Correct Answer)

-0.3

The current in Amperes used in resistance spot welding of plain carbon steel sheets ($$1$$ to $$3$$ $$mm$$ thick) lies within the range:

$$10$$-$$50$$

$$50$$-$$500$$

$$500$$-$$5000$$

$$5000$$-$$50000$$

GATE PI 2004

MCQ (Single Correct Answer)

-0.3

The metal powder used in Thermit welding of steel is:

$$Al$$

$$Cu$$

$$Pb$$

$$W$$

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

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GATE PI Subjects

Fluid Mechanics

Fluid Kinematics Fluid Statics Laminar Flow Fluid Dynamics Turbulent Flow

Metrology

Metrology and Inspection

Theory of Machines

Analysis of Plane Mechanisms Flywheel

Engineering Mathematics

Probability and Statistics Complex Variable Vector Calculus Numerical Methods Linear Algebra Calculus Differential Equations Transform Theory

Heat Transfer

Fin Design and Transient Heat Conduction Conduction Radiation Heat Exchangers

Machine Tools and Machining

Metal Cutting Advance Machine Tools Machining

Industrial Engineering

Inventory Control Line Balancing Queuing Forecasting Pert and Cpm

Engineering Mechanics

Engineering Mechanics Static and Dynamics

Strength of Materials

Pure Bending Shear Force and Bending Moment Complex Stresses Simple Stress and Strain Deflection of Beams Thin Cylinders

Thermodynamics

Entropy and Irreversibility

Machine Design

Design For Static Loading Design of Spur Gears

Casting

Casting Process

Joining of Materials

Welding

Metal Forming

Sheet Metal Forming Processes Metal Forming Process