Gratings is associated with the measurement of____________________?
Correct answer: D. Linear displacement
- 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 displacement. Concavity, surface texture and flatness require different inspection methods.
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
Which of the following hardness tests does not measure the indentation hardness of metals and alloys ?
Fibre reinforced plastic (FRP) are___________________?
Window panes of aeroplanes are normally made of_____________________?
Silicon percentage in silicon steel used for electrical equipments is about______________?