Spray dryer for evaporating milk to produce milk powder is made of_________________?
Correct answer: D. Stainless steel
- A. Lead lined steel
- B. Cast iron
- C. Aluminium
- D. Stainless steel
Explanation
Stainless steel is non-porous, corrosion-resistant and easy to clean, making it suitable for hygienic milk-processing equipment. Carbon steel and cast iron can rust or contaminate the product, while aluminium is less commonly selected for the hot, wet spray-drying environment.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
Practise Plant Design and Economics
803 free Plant Design and Economics MCQs from Chemical Engineering, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Chemical Engineering questions like this
Chemical Engineering is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.
More Plant Design and Economics questions
In a plate type heat exchanger, heat transfer plates are never made of _________________?
Fatigue failure of a material results from ______________ stress?
A material is able to retain the deformation permanently by virtue of its___________________?
Rubber lined vessels are corroded by the action of__________________?
Wrought iron is ____________________?
Alpha iron is stable ______________ °C?