Statement 1: Case hardening is controlled by _____ and _____ Statement 2: Drying time _____ rapidly as the final moisture content approaches its equilibrium value.
Options:
A .  Increases, humidity, temperature
B .  Decreases, humidity, concentration
C .  Increases, temperature, concentration
D .  Decreases, temperature, concentration
Answer: Option A Answer: (a).Increases, humidity, temperature
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