Question

Statement 1: Effectiveness of mixing in kneaders depends on the blade design.

Statement 2: Kneaders have a high clearance between the two oppositely rotating blades and the vessel.

(a) True, False

(b) True, True

(c) False, False

(d) False, True

I had been asked this question in an internship interview.

This interesting question is from Unit Operations in division Sedimentation and Centrifuge, Mixing, Size Reduction and Separation and Material Handling and Transportation of Food Engineering

Answer 1

Right option is (b) True, True

To elaborate: Effectiveness of mixing in kneaders depends on the blade design. Kneaders have a high clearance between the two oppositely rotating blades and the vessel, unlike other mixers which have low clearance.