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Q. Explain working of Tubesheets?
The tube and tube pitch selected shall be approved by WorleyParsons Canada. The preferred tube pitch shall be a minimum of 1.3 x tube OD and patterns shall be selected by fabricator with WorleyParsons Canada approval.
The tube inlets and tubesheet shall be protected from overheating and hot spots be refractory lined and ceramic tube inlet ferrules inserted as required. The ferrules to the tubes shall have smooth transitions to prevent discontinuity of boundary layers and turbulences. The inlet vena contracta must be entirely inside the ferrules. Ferrules shall not contact the tubes. Clearances are required for insulation and flexibility. Additional insulation may be obtained by wrapping with ceramic fiber papers.
INVERTER TYPE POWER SOURCES For site welding and repair applications, a need was felt for long time to have light weight arc welding power source. Even though, a petrol driven ro
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Structural notches In t he case of solid solution strengthened alloys and age hardenabled steel, the variation in heat i/o during welding may cause localized grain coarsening o
a petrol tanker uses gravity to empty its 35kl tank in to an underground storage tabk. the hose that is used has a roughness equivalent to galvanised iron, has an internal diameter
what is blow hole defect ?
how mechanism can be synthesized using relative pole method?
WELD PREPARATION: Joint Tolerance & Cleaning Joint Tolerance The allowable tolerance of joint dimensions depends upon whether the welding is to be done manually or
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