1.

Match List-I with List-II and select the correct answer using the codes given below the lists: List-I (Measuring device) List-II (Parameter measured) A. Diffraction grating 1. Smaller angular deviations on long flat surfaces B. Optical flat            2. On-line measurement of moving parts C. Auto collimators       3. Measurement of gear pitch D. Laser scan micrometer 4. Surface texture using interferometry 5. Measurement of very small displacements Codes:

A. A\[\to \]5, B\[\to \]4, C\[\to \]2, D\[\to \]1
B. A\[\to \]3, B\[\to \]5, C\[\to \]1, D\[\to \]2
C. A\[\to \]3, B\[\to \]5, C\[\to \]4, D\[\to \]1
D. A\[\to \]5, B\[\to \]4, C\[\to \]1, D\[\to \]2
Answer» E.


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