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Process Operation Technology

Oil, gas and petrochemical process industries


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    Talib Al_Munawri
    Director-General
    Director-General

    Posts : 337
    Join date : 2009-07-03
    Age : 30
    Location : Sultanate of Oman

    Various Key term

    Post by Talib Al_Munawri on Fri Aug 21, 2009 5:08 am



    What is meant by Air intake louvers?


    - Slats located at the bottom or sides of a cooling tower to direct airflow.


    What is meant by Approach to tower?


    - The temperature difference between the water leaving
    a cooling tower and the wet-bulb temperature of the air entering the tower.


    What is meant by Basin?


    -Storage compartment for water at the bottom of a cooling tower.


    What is meant by Blow-down?


    -A process of controlling the level of suspended solids
    in a cooling tower by removing a certain amount of water from the basin.


    What is meant by Cooling range?


    -The temperature difference between the hot and cold water in a cooling tower.


    What is meant by Drift eliminators?


    -Devices used in a cooling tower to keep water from blowing out.


    What is meant by Drift loss?


    -Entrained water lost from a cooling tower in the exiting air;
    also called windage loss.


    What is meant by Dry bulb temperature (DBT)?


    -The air temperature as measured by a thermometer without the presence of moisture in it.


    What is meant by Forced-draft?


    -Type of mechanical-draft cooling tower that uses fans
    to push air into the tower.


    What is meant by Induced-draft?


    -Type of mechanical-draft cooling tower that
    uses fans to pull air out of the tower.


    What is meant by Relative humidity?


    -Ratio between mass of water in the moist air to
    the mass of water in the saturated air.


    What is meant by Wet-bulb temperature (WBT)?


    -The air temperature as measured by thermometer without the presence of moisture in it.


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