Free Plant Design and Economics MCQs with Answers
803 Plant Design and Economics MCQs from Chemical Engineering, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
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803 questions · page 41 of 41
- A. Made of glass fibre and thermoplastic resins
- B. Both 'B' & 'C'
- C. Made of thermosetting resin and glass fibre
- D. Anisotropic
Explanation: Typical FRP consists of glass fibres embedded in a thermosetting resin such as polyester or epoxy.
Correct answer: Both 'B' & 'C'- A. Vickers hardness test
- B. Brinell hardness test
- C. Shore scleroscope test
- D. Rockwell hardness test
Explanation: The Shore scleroscope measures hardness from the rebound height of a diamond-tipped hammer, not from the size or depth of an indentation.
Correct answer: Shore scleroscope test- A. Flatness
- B. Concavity/convexity
- C. Surface texture
- D. Linear displacement
Explanation: A grating or linear scale converts position into a repeating optical or electrical pattern, allowing precise measurement of linear…
Correct answer: Linear displacement