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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.
Pattern Materials The requirements of pattern are: Secure the desired shape and size of the casting. Cheap and readily available. Light in mass and convenient to
Desirable Characteristics of the Piston Silent in operation. Seizure between piston surface and inside of cylinder should not occur. Sufficiently resistant to co
Short Circuiting Transfer The short circuiting transfer occurs when the welding current and the arc voltage is low. Metal is transferred from the electrode to the work only wh
Ask question Briefly explain how, using Newton’s Law of cooling, you may write the temperature of a cooling body as an exponential function of time#Minimum 100 words accepted#
constraint force
Explain lower pair. and kinematics chair
The shaft, as given in Figure is driven by pulley B from an electric motor. Another belt drive from pulley A is operating a compressor. The belt tensions for pulley A are 1500 N an
(a) A 50 mm dia. jet having a velocity of 18 m/sec. impinges without shock on a flat plate inclined at an angle to the axis of jet. If the plate is moving at 5 m/sec in the directi
Expression for the maximum shearing stress: Obtain expression for the maximum shearing stress and maximum shearing planes. Sol.: The condition for maximum shearing stress i
The aim of this project is for you to discover how to use a spreadsheet to "model" a typical engineering problem, in this case a heat transfer situation. And to discover how this m
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