Related Questions

If 'blue' means 'green', green' means 'yellow' 'yellow' means 'orange', 'orange' means 'black', 'black' means 'white', 'white' means 'red', 'red' means 'pink', 'pink' means 'brown', 'brown' means 'grey', than what is the color of human blood?
A black
B red
C white
D orange
Drinking (potable) water treatment does not involve
A Coagulation
B Sedimentation
C Softening
D Disinfection
Presence of a certain minimum quantity of flourine is desirable in potable water to prevent
A Dental cavities
B Scale formation
C Water-borne disease
D Corrosion
Presence of bacteria in potable (drinking) water causes
A Turbidity
B Disease
C Bad odour
D Bad taste & colour
The pH value of potable water should be between
A 1 to 1.5
B 6.5 to 8
C 13 to 14
D 4 to 5
Maximum permissible turbidity in potable water is __________ ppm.
A 1
B 10
C 250
D 1000
TLV of mercury in potable (drinking) water is about __________ ppm.
A 0.001
B 0.1
C 1
D 5
For classification of potable (drinking) water, we use a __________ filter.
A Gravity sand
B Plate and frame
C Vacuum leaf
D Rotary vacuum
5a2-4a-3-3(a2+a+4)=0. What is the sum of the potable value of a?
A 3
B 3.5
C 4
D 4.5
Which pair expresses a relation similar to 'potable: Beverage'?
A Attainable : Effort
B Indigenous : Food
C Quantifiable : Phenomenon
D Containable :Impatience

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