Chemical Engineering :: Chemical Engineering Basics-2
- Parallel straight line pattern of temperature distribution for both hot and cold fluids is observed in case of heat exchanger of the type
- Which of the following is an example of cathodic protection of metals against corrosion ?
- Pipelines carrying various utilities in chemical industries are identified by their colour codes. The color of pipeline carrying steam is
- The basic function of the drum in a boiler is to
- Unit of viscosity in CGS system is
- Buoyancy force depends on the __________ the liquid.
- What is the effect on the performance of the economiser in the thermal power plant boiler, if the feed water temperature is very low due to preheaters being out for repairs or starving of steam supply ?
- Nusselt number is related to Grashoff number (Gr) in turbulent & laminar flow respectively, in respect of free convection over a vertical flat plate as
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A.
It results in corrosion due to the condensation on the flue gas side of the economiser tubes due to handling of low temperature water |
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B.
Economiser tube life increases due to handling of low temperature water |
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C.
Heat transfer efficiency of economiser increases due to picking up high heat from the flue gases |
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D.
Scale formation rate on economiser tubes increases |