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Q. Process of Alloy Materials Sampling?
The following alloy-materials require a minimum of 10% per lot representative PMI sampling. If any incorrect material is found in representative sample basis testing, 100% PMI verification shall be required.
• Tubular products used in the fabrication of equipment, such as heat exchangers and boilers, provided that traceable mill certification is available.
• Fired heater, heat exchanger, and boiler internals example: tube hangers, tube supports, and tube-sheets. Internals which are part of the supports in fired heaters and boilers are also included in the PMI program.
• All alloy steel bolting, fasteners and nuts.
• Ring joint flange and clamp type (e.g., Grayloc) connector flange gaskets.
• Internal non-pressure-containing parts. Metallic alloy components for refractory linings (e.g., refractory anchors and hex mesh) shall be covered under this requirement.
(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]
Q. How can you implement Permeability test As already defined, permeability of porosity of the moulding sand is the message of its ability to permit air to flow through it.
Q. Describe the Insulation thickness? Insulation thickness shall be selected in accordance with the following tables forming part of this specification: Table I Outdoor Hot
For two waves period, determine the time response x(t) for the system (ignoring viscous damping effect only) Give=n: X0=0.09615 , θ(radians)=0.110*π , μk=0.80000 , μs=0.90000 , K=
Workplace Operations Requiring Safety The operations performed through workers in their workplace are of dissimilar nature but they involve a number of machine, equipment and
comparing the different coding systems ?
For example, if one were provided with the set [3 1 3 -4 -6], the resulting answers would be [3 1 -4], [3 1 -4], an [3 3 -6], as these are the three sets of three values which sum
Find out Moment of Inertia of circular area: Find out Moment of Inertia of circular area of radius a = 10 cm about its centroidal axis OX as illustrated in Figure Sol
Temperatur e Scales: The temperature of a system can be determined by bringing a 2 nd body, a thermometer, into contact with the system and allowing thermal equilibrium to b
Two mating spur gear with module pitch of 6.5 mm have 19 and 47 teeth of 20 degree pressure angle, and 6.5 mm addendum. Evaluate the number of pairs of teeth in contact and the ang
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