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1
GATE ME 2002
MCQ (Single Correct Answer)
+1
-0.3
For the same inlet and outlet temperatures of hot and cold fluids, the Log mean temperature Difference $$(LMTD)$$ is
A
greater for parallel flow heat exchanger than for counter flow heat exchanger.
B
greater for counter flow heat exchanger than for parallel flow heat exchanger.
C
same for both parallel and counter flow heat exchangers.
D
dependent on the properties of the fluids.
2
GATE ME 1994
MCQ (Single Correct Answer)
+1
-0.3
The practice to use steam on the shell side and cooling water on the tube side in condensers of steam power plant is because
A
to increase overall heat transfer coefficient water side velocity can be increased if water is on the tube side
B
condenser can act as a storage unit for condensed steam
C
rate of condensation of steam is invariably smaller than the mass flow rate of cooling water
D
it is easier to maintain vacuum on the shell side than on the tube side
3
GATE ME 1991
MCQ (Single Correct Answer)
+1
-0.3
In shell and tube heat exchanger, baffles are mainly used to
A
Increase the mixing of fluid
B
Increase the heat transfer area
C
deflect the flow in desired direction
D
Reduce fouling of the tube surface .
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GATE ME Subjects
Engineering Mechanics
Engineering Mechanics Static and Dynamics
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
Theory of Machines
Analysis of Plane Mechanisms Gears and Gear Trains Vibrations Flywheel
Engineering Mathematics
Linear Algebra Vector Calculus Probability and Statistics Differential Equations Transform Theory Calculus Complex Variable Numerical Methods
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
Fluid Mechanics
Fluid Properties Boundary Layer Turbulent Flow Fluid Dynamics Laminar Flow Fluid Kinematics Fluid Statics
Turbo Machinery
Turbo Machinery
Heat Transfer
Conduction Fin Design and Transient Heat Conduction Convection Radiation Heat Exchangers
Thermodynamics
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
Production Engineering
Metrology and Inspection Sheet Metal Forming Processes Welding Process Metal Forming Metal Cutting Advance Machine Tools Machining Casting
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