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Q. Why we need Ambient Air Temperatures?
Climatic temperatures and humidity conditions will have an impact on the type of equipment selected for the plant.
A type of "wind chill" can adversely affect the operation of control valves, fuel gas systems, level instruments and other control devices. "Wind chill" effects have the most adverse impact during periods of low ambient temperature, and when there is airborne moisture and high winds.
Heat tracing, insulation and other measures may be required to reduce the impact of "wind chill" to as low as reasonably practicable.
High temperatures may reduce the power outputs of compressors and may have an impact on the performance of air coolers.
In desert climates (e.g. Middle East, Sahara, or Western Australia), "black bulb" effects also need to be considered. This ensures that equipment design allows for exposure to high levels of solar radiation and heating. As well as having an impact on the operation of equipment, high black bulb temperatures increase surface temperatures (and need for protection/insulation) and raise the temperature of hydrocarbon storage tank contents above their flash point (creating a hazardous area).
Q. How can you test hardness of the prepared mould? Hardness test: The hardness of the prepared mould surface is tested to check the ramming density of the sand. The instrume
Explain Milling Fixture? A milling fixture is a work holding device which is firmly clamped to the table of milling machine. It holds the work piece in correct position as
Resistant Body: A body is called resistant body if this is capable of transmitting the needed forces with negligible deformation. Machine: A machine is a mechanism or a se
Find the coefficient of friction between ladder and floor: A ladder of 5m long rests on horizontal ground and leans against smooth vertical wall at an angle of 70° with the h
Reciprocatin Compressor. It is taken in use to compressor gases. ( kE 2 - kE 1) = 0, ( pE 2 - pE 1) = 0 q 1-2 - w 1-2 = ( h 2 - h 1 ) + 0 + 0 - q 1-2 - (- w
what is critical pressure, triple point, degree of super heat...
Draw the Free-Body Diagram: A 3 m long boom (Figure) is held by a ball and socket joint at A and by two cables CD and BE. It carries load of 20 kN at B. Draw the Free-Body Dia
Periodic Motion: This is the motion that repeats after a regular interval of time. Frequency: This is the number of cycles finished in a unit time. Time Period: This is
Flux Cored Arc Welding (FCAW) This is a variation of GMAW where solid wire is replaced by flux cored wire. The equipments and accessories are the same. Generally, flux cored wi
Calculate the vertical reaction at A in Newtons
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