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1
GATE PI 2012
MCQ (Single Correct Answer)
+2
-0.6
Consider two infinitely long thin concentric tubes of circular cross section as shown in the figure. If $${D_1}$$ and $${D_2}$$ are the diameters of the inner and outer tubes respectively, then the view factor $${F_{22}}$$ is given by GATE PI 2012 Heat Transfer - Radiation Question 1 English
A
$$\left( {{{{D_2}} \over {{D_1}}}} \right) - 1$$
B
Zero
C
$$\left( {{{{D_1}} \over {{D_2}}}} \right)$$
D
$$1 - \left( {{{{D_1}} \over {{D_2}}}} \right)$$
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
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