Related Questions

Zeolite removes both temporary as well as permanent hardness of water by precipitating calcium and magnesium present in water as insoluble zeolites. Used zeolite is regenerated by flushing with the solution of
A Calcium sulphate
B Sodium chloride
C Sodium sulphate
D Magnesium chloride
Zeolite used in water softening process (cation exchange) is regenerated by washing with
A Brine
B Chloramines
C Sodium bisulphite
D Liquid chlorines
In water treatment plant, zeolite process is used to remove the __________ of water.
A Acidity
B Alkalinity
C Hardness
D Iron & zinc
What is Zeolite?
A Hydrated Aluminosilicate
B Hydrated Calcium Sulphate
C Dehydrated Aluminosilicate
D Dehydrated Calcium Sulphate
Zeolite is a/an
A Naturally occuring clay which is capable of exchanging cations
B Abrasive material
C Catalyst used in shift conversion
D None of these
If heater S is used on the third day and different heaters are used on the first and fourth days, then which heater is used on the first day?
A P
B Q
C R
D S
After filling the car's fuel tank, a driver drove from P to Q and then to R. He used 2/5 of the fuel driving from P to Q. if she used another 7 gallons to drive from Q to R and still had 1/4 of the tank full, what is the capacity of the tank in gallons?
A 12
B 18
C 20
D 21
Which can be used for quick access to commonly used commands and tools ?
A Status bar
B Tool bar
C Menu bar
D Title bar
In SQL_____, aggregate function can be used in the select list or the _____clause of a select statement of sub query. They cannot be used in a _____clause.
A where, having
B having, where
C Group by, having
D Group by, where
Which can be used for quick access to commonly used commands and tools?
A Status bar
B Menu bar
C Tool bar
D Title bar

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