Related Questions

The commonly used thinner in oil paints, is
A Naphtha
B Turpentine
C Both (A) and (B)
D None of these
Most commonly used solvent in oil paints, is
A Petroleum
B Spirit
C Coal tar
D Turpentine
After the increase of price of oil by 40%, a family decided to reduce its oil consumption so that the expenditure for oil goes up by 26% only. If the total consumption of oil before the price rise was 10 kg per month, then what is the current consumption of oil per month (in kg)?
A 8
B 8.50
C 9
D None of these
Which of the following test is used for distinguishing among dry oils, semi-drying oils and non drying oils?
A Elaiden test
B Reichart-Meissl value test
C Henter value test
D Iodine value test
The commonly used color pigment in paints, is
A Ambers
B Carbon black
C Iron oxide
D All the above
Turpentine oil is used in paints as
A Thinner
B Vehicle
C Base
D Drier
Linseed oil is used in paints as
A Thinner
B Vehicle
C Base
D Drier
The drying time between fixed moisture contents within the 'constant rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid )
A $$\sqrt {\text{T}} $$
B T
C T1.5
D T3
Advantage of continuous drying over batch drying is that the
A Drying cost per unit weight of dried product is less
B Product with more uniform moisture content is produced
C Equipment size required is smaller
D All of the above
In the constant rate period of the rate of drying curve for batch drying,
A Cracks develop on the surface of the solid
B Rate of drying decreases abruptly
C Surface evaporation of unbound moisture occurs
D None of these

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