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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.
A Small connecting rod 220mm long between the centres has a mass of 2kg and mass moment of inertia of 0.02 kg- m² about its centre of gravity. The centre of gravity is located at a
(a) Draw neatly and accurately the Merchant force circle diagram. Mention clearly the forces involved, the constructional steps and the assumptions made [do not derive the forces]
Determine the maximum bending moment: A 12 m span simply supported beam is carrying a consistently distributed load of 2 kN/m over a length of 6 m from the left end and point
Types of stresses: In general stress is divided in to three group as: various types of stresses may be classified as: 1. Simple or direct stress (Tension, Compressi
Derive the relation for a fin insulated at the tip and the heat dissipation?
derivation of elongation of bar due to its self weight
unstable governors
SHIELDING GAS The primary function of the shielding gas is to exclude the atmospheric air from the arc zone. However, the shielding gas has significant influence on the arc cha
Throttle Valve: The throttle valves control the quantity of mixture supplied to the cylinder. This is controlled by throttle grip with the help of a cable. When we open throttle
(a) What is value of drive chain slackness? (b) Write about cleaning procedure and adjustment of drive chain. (c) What is the wear of drive chain, sprocket and adjustment of
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