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1
GATE ME 1994
MCQ (Single Correct Answer)
+1
-0.3
The electrodes used in $$arc$$ welding are coated. This coating is not expected to
A
Provide protective atmosphere to weld
B
Stabilize the $$arc$$
C
Add alloying elements
D
Prevents electrode from contamination
2
GATE ME 1994
Fill in the Blanks
+1
-0
The ratio of acetylene to oxygen is approximately ................ for neutral flame used in gas welding
3
GATE ME 1994
Fill in the Blanks
+1
-0
Generally cylindrical parts produced by powder metallurgy should not have non uniform cross section and a length to diameter ratio exceeding . . . . . . . . . . . . . . .
4
GATE ME 1993
MCQ (Single Correct Answer)
+1
-0.3
In $$DC$$ welding, the straight polarity (electrode negative) results in
A
Lower penetration
B
Lower deposition rate
C
Less heating of work piece
D
Smaller weld pod
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Engineering Mechanics
Engineering Mechanics Static and Dynamics
Machine Design
Bolted Riveted and Welded Joints Design For Static Loading Design of Brakes and Clutches Design of Spur Gears Design of Bearings Fatigue Strength
Strength of Materials
Springs Simple Stress and Strain Complex Stresses Pure Bending Moment of Inertia Shear Force and Bending Moment Stresses In Beams Deflection of Beams Columns and Struts Torsion Strain Energy Method Thin Cylinders
Heat Transfer
Conduction Fin Design and Transient Heat Conduction Convection Radiation Heat Exchangers
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Linear Algebra Vector Calculus Probability and Statistics Differential Equations Transform Theory Calculus Complex Variable Numerical Methods
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Fluid Properties Fluid Statics Boundary Layer Turbulent Flow Laminar Flow Fluid Dynamics Fluid Kinematics
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Properties of Pure Substances Basic Concepts and Zeroth Law First Law of Thermodynamics Calculation of Work and Heat Entropy and Irreversibility Rankine Cycle Availability Second Law of Thermodynamics
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