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HEAT ENGINE - Thermodynamics:
HEAT ENGINE. A heat engine is a thermodynamics system that operates in a cycle in which heat can be transferred from heat source to heat sink. For the continuous production of work. Both heat and work interaction takes place across the boundary of engine. It receive heat Q1 from a higher temperature reservoir at T1.
It converts part of heat Q1 into mechanical work W1. It reject residual heat Q2 into sink at T2. There is working substance that continuously flows through the engine to ensure continuous/cyclic operation.
TERMINOLOG Y: 1 . Top dead and Bottom dead Centre: These are 2 extreme positions between which the piston reciprocates inside the cylinder. TDC and BDC have relevance
WELDER PERFORMANCE QUALIFICATIONS Requirement of Welder Qualification In performance qualification, the basic attempt is to establish the ability of the welder to dep
Q. What do you mean by Risers and Downcomers? Risers and downcomers shall be staggered along the shell of the WHB and steam drum for uniform water/steam circulation in the syst
FRICTION WELDING In this, friction is employed to generate heat b/w two sliding or rotating metal surfaces. This process is usually carried out by placing the pieces to be welded
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Normally galvanized pipes are not used for steam. Mild steel with screwed or welded fittings are the norm. Pressure and temperature are very significant factors to be considered in
The density of a sample of oak is 0.90 g/cm^3. Calculate a. the density of completely dry oak b. the percent water in the original sample
Assembly Processes The assembly process for machines and mechanisms is the part of the manufacturing process concerned with the consecutive joining of the finished parts into
Step s for Solving Problem for Finding Maximum Power: 1. Use formula stress (σ) = force (Maximum Tension)/Area Where; Area = b.t that is, T max = σ.b.t 2. Unit mass (
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