A 1" diameter line shaft, which is supported by frictionless pulleys at the ends, carries 2 pulleys.  The 10" diameter driver pulley is driven in a counter-clockwise direction, and its belt tensions are 25 lbs and 56 lbs.  The 2" diameter driven pulley has one of its belt tensions measured at 30 lbs. Calculate the missing belt tension.

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Work and Heat Transfer

It is generally related to thermal engineering which tells about the use, creation, conversion and transfer of heat energy between the systems. It is also considered that to transfer heat from one source to another, transfer of masses is also required. There are various mechanisms by which, transfer of heat takes place i.e. thermal conduction, convection, radiation or by change of phase. All these mechanisms have their own specific features which sometimes occur simultaneously within the same system.