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Q. What is Forced Draft Fan?
Fan shall comply with API 673 as supplemented by the following: (para. references are to API 673).
Where the intake air is unfiltered, the Vendor shall provide a fan cleaning facility using compressed air at 120 psig (828 kPag). Cleaning system shall function with fan in operation without adverse affects to fan or Steam Generator performance. System shall be manually activated.
Steam Generator Vendor shall be responsible for demonstrating that loads imposed on the fan from ducting under all operating scenarios are acceptable to fan Vendor.
Riveted fan wheels are not permitted
Torsional response studies are not required
Fan and motor balancing shall be done without the coupling half in place. A half key of equal length to that used to secure coupling half shall be used during balancing.
A spot faced 1 inch diameter area shall be provided in three planes at each bearing location (as permitted by access) for mounting magnetic vibration probes.
Fan shall meet the following requirements at its rated point:
Fans shall be direct driven by constant speed electric motors.
Parallelogram law of forces: The law of parallelogram is used to determine the resultant of two forces acting at the point of a rigid body in plane and is inclined to each o
According to the explanation, why reverse will happen in the case of cantilevers? ( that is, tensile stresses will be induced in upper layers and compressive stresses will be induc
kinetic Inversion In a mechanism, in a kinematic chain one of the links is fixed. One can get different mechanisms by fixing in different links in a kinematic chain. This techn
Q. Determine the proper torque values from the Flange? Determine the proper torque values from the Flange Closure Sheet. Apply the torque, using a hand torque-measuring wrench,
Desgin of furnce - combustion chamber: • Deside on type of furnace :need review of furnace types (grete,fluidized bed,puluerised coal or other. • Sectch of furnace design with
descripyion
Explain the subtractive process of Rapid Prototyping
All shell and head joints shall be double-welded butt joints with full penetration. In cases where double welding is impractical, the root pass shall be made by the GTAW process.
Concep t of Temperature: The temperature is thermal state of body which describes the degree of hotness or coldness of body. If the two bodies are brought in contact, heat wi
CAPP
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