GATE PI 2012 | Metal Forming Process Question 13 | Metal Forming

GATE PI 2012

MCQ (Single Correct Answer)

-0.3

A solid cylinder of diameter $$100$$ $$mm$$ and height $$50$$ $$mm$$ is forged between two frictionless flat dies to a height of $$25$$ $$mm.$$ The percentage change in diameter is

$$0$$

$$2.07$$

$$20.7$$

$$41.4$$

GATE PI 2010

MCQ (Single Correct Answer)

-0.3

Hot die steel, used for large solid dies in drop forging, should necessarily have

high strength and high copper content

High hardness and low hardenability

High toughness and low thermal conductivity

High hardness and high thermal conductivity

GATE PI 2010

MCQ (Single Correct Answer)

-0.3

Cold shut (lap) may occur in products obtained by:

Casting

Forging

Machining

Welding

GATE PI 2009

MCQ (Single Correct Answer)

-0.3

Anisotropy in rolled components is caused by

Change in dimensions

scale formation

closure of defects

Grain orientation

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GATE PI Subjects

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

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

Machine Design

Design For Static Loading Design of Spur Gears

Fluid Mechanics

Fluid Kinematics Fluid Statics Laminar Flow Fluid Dynamics Turbulent Flow

Heat Transfer

Fin Design and Transient Heat Conduction Radiation Conduction Heat Exchangers

Thermodynamics

Entropy and Irreversibility

Casting

Casting Process

Joining of Materials

Welding

Metal Forming

Metal Forming Process Sheet Metal Forming Processes

Machine Tools and Machining

Metal Cutting Advance Machine Tools Machining

Metrology

Metrology and Inspection

Industrial Engineering

Inventory Control Line Balancing Queuing Forecasting Pert and Cpm