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A counter flow heat exchanger is used to cool 2000kg/hr of oil(Cp= 2.5 KJ/Kg K) from 105 oC to 30 oC by the use of water entering at 15 oC. If the overall heat transfer coefficient is approximate to be 1.5 Kw/m2K, make determination for water flow rate, the surface area needed and the effectiveness of heat exchanger. Presume that the exit temperature of the water is not to exceed 80 o C. Use NTU-effectiveness approach.
Q. Describe facing material? Facing Materials: These materials when added to the moulding sand tend to obtain smoother and cleaner surfaces of castings, help easy peel
How is local shear mode characterized in bearing capacity? Local Shear Failure The local shear mode of failure is characterized by slip zones, small surface heave and a poor
What are the rules which must be kept in mind when designing castings? Some of the points which should be kept in mind during the process of cast designing are as follows: >
Measurement in Production System: This unit explain the performance measurement in an organisation. More than just a passive means for assessing what has already occurred, the
pre heating of casted material for welding
Our sir asked us to design a knuckle joint...they gave us only the tensile force applied on the joint as 50kn...and told us to find the appropriate material..so what can we use???
trend monitoring in cbm
Compoun d shaft: compoun d shaft? How is compound shaft classified? Sol.: Shaft made up of 2 or more mat
A car travels at a constant speed around a circular track whose radius is 2.2 km. The car goes once around the track in 400 s. What is the magnitude of the centripetal acceleration
Find out tension in the rop: Two blocks A and B are associated as shown in Figure (a). Mass of block A is 15 kg and this is resting on a surface having a coefficient of fricti
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