Question

How long is steam distillation takes place for lavender?

(a) 2 hours

(b) 3 hours

(c) 4 hours

(d) 5 hours

I got this question in a job interview.

This interesting question is from Steam Distillation in division Distillation of Food Processing Unit Operations

Answer 1

Correct option is (a) 2 hours

The explanation is: The lavender can be fully distilled in 2 hours. The process is conducted in a distillation until it uses water to remove the essential oil from the plant material.