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the average heat transfer co efficient for flow of 100o c air over a flat plate is calculated by observing the temperature time history of a 3mm
a plane wall thermal conductivity 102 wmoc of 100 mm thickness and area 3m2 has steady surface temperature of 170oc and 100ocevaluate -i the
explain newtons law of cooling what do you mean by convective heat transfer coefficient what are the factors on which co-efficient of convective
state required features of fourier law what are the factors on which co-efficient of thermal conductivity k depends upon write the unit of
define the difference modes of heat transfer with examples state one system where heat transfer takes place because of all modes of heat
what do you mean by heat transfer compare i work done with heat transfer ii thermodynamics with heat transfer state whether heat transfer is a path
derive the mathematical heat conduction equation through a composite wall determine thermal contact resistance
what is the difference between counter flow and parallel flow heat exchange classify heat exchange on the basis of constructional features and
derive the mathematical equation for overall heat transfer-coefficient through a single wall aslo explain physical significance of thermal
a steel pipe with 50 mm od is covered with a 64 mm asbestos insulation followed by a 25 mm layer of fiber-glass insulation k 00485 wmk the pipe
a semi-elliptic multi-leaf spring is needed for the suspension of the rear axle of a truck it consists of two extra full-length leaves and ten
a solid shaft of diameter d is taken in power transmission because of modification of existing transmission system it is needed to replace the solid
the layout of a transmission shaft carrying two pulley c and b and supported on bearings a and d is shown in figure power is supplied to the shaft by
provide the various considerations to be taken in designing the cast iron housing for a heavy duty
a gear drive is needed to transmit a maximum power of 225kw the velocity ratio is 12 and rpm of the pinion is 200 the centre distance between the
following data is provided for a 360o hydrodynamic bearing radial load 32 knjournal speed 1490 rpmjournal diameter 50 mmbearing length 50 mmradial
a helical compression spring prepared of oil tempered carbon steel is subjected to a load which lies between 400n to 1000n the spring index is 6 and
a shaft is hinghed by two bearings placed 10 m apart a 600mm diameter pulley is mounted at a distance of 300 mm to the right of left hand bearing and
as a student engineer illustrate what design consideration you would like to account for parts manufactured by machining and forginga circular bas of
a helical compression spring prepared of oil tempered carbon steel is subjected to a load which goes from 600 n to 1600 n the spring index is 6 and
a semi-elliptical laminated vehicle spring to took a load of 6000 n is to consist of seven leaves 65 mm wide two of the leaves extending the full
a helical compression spring is used to take the shock the initial compression of the spring is 30 mm and it is further compressed by 50 mm while
prepare a design of close coiled helical compression spring for a service load ranging from 2250 n to 2750 n the axial deflection of the spring for
a semi elliptical spring has 10 leaves in all with the two full length leaves extending 625 mm it is 625 mm wide and is prepared by strips 6 mm thick
design a shaft to transmit power from a motor to a lathe head stock through a pulley by means of a belt drive the pulley weighs 200 n and is located