Related Questions

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
While the thermosetting polymers are amorphous in nature, the thermoplastic polymers are either amorphous or crystalline. The crystalline polymers are characterised by the
A Low impact strength
B High flexibility
C Better finish and surface appearance
D High plastic deformation
A solid material shows case hardening properties while drying. Which of the following should be controlled to control the drying process?
A Flow rate of inlet air
B Relative humidity of outlet air
C Humidity of inlet air
D Temperature of the solid
Dryer widely used in a textile industry is __________ dryer.
A Festoon
B Cylinder
C Conveyor
D Tunnel
Drying of refractory is normally carried out in a __________ dryer.
A Open pan
B Tray
C Rotary vacuum
D Truck/tunnel
Large scale drying of wheat is done in a __________ dryer.
A Fluidised bed
B Spouted bed
C Tray
D Vacuum rotary
Large scale drying of sugar is done in a __________ dryer.
A Spouted bed
B Tray
C Rotary
D Truck
Occurrence of 'case hardening' during drying of a high moisture solid cake __________ the drying rate.
A Increases
B Decreases
C Does not affect
D Exponentially increases
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
After taking 30 socks out of the dryer. Dina noticed that the ratio of blue socks to brown socks to black socks was 2 : 3 : 5. How many black socks were in the dryer?
A 21
B 15
C 9
D 6

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