Mass Transfer
In the constant rate period of the rate of drying curve for batch drying,

Surface evaporation of unbound moisture occurs
None of these
Rate of drying decreases abruptly
Cracks develop on the surface of the solid

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
A 25 cm x 25 cm x 1 cm flat sheet weighing 1.2 kg initially was dried from both sides under constant drying rate conditions. It took 1500 seconds for the weight of the sheet to reduce to 1.05 kg. Another 1m x 1m x 1cm flat sheet of the same material is to be dried from one side only.Under the same constant drying rate conditions, the time required for drying (in seconds) from its initial weight of 19.2 kg to 17.6 kg is

2000
1500
1000
2500

ANSWER DOWNLOAD EXAMIANS APP