Which of the following is the most widely used insulating material for steam carrying pipelines ?
Correct answer: B. Glass wool and 85% magnesia
- A. Ceramic fibre blanket
- B. Glass wool and 85% magnesia
- C. Vermiculite
- D. Slag wool
Explanation
85% magnesia is a traditional, widely used insulation for steam pipes because it has low heat conductivity and remains effective at elevated temperatures. Glass wool and ceramic fibre are also useful, but are not the standard answer for this general service question.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
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.
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
A metallic alloy in which one of the constituent metal is _____________, is called an amalgam?
The most distinguished property of malleable cast iron is its high_________________?
The damage/deterioration of metals by the ______________ action of fluids is called 'erosion'?
Steel pipes are normally manufactured by ______________ process?
Duriron is__________________?
The material of construction of bearings is__________________?