Question

  Match List – I (Measuring Device)with List – II (Parameter Measuring) and select the correct answer using the codes given below the lists                                         

         List – I

(A) Diffraction grating

(B) Optical flat

(C) Auto collimators

(D) Laser scan micrometer

            List – II

1.   Small angular deviations on long  flat surfaces

2.   Online measurement of moving parts

3.   Measurement of gear pitch

4. Joining hydraulic pision rods for agricultural machinery

5.   Measurement of very small displacements

Codes:

            A         B         C         D

(a)        5        4          2          1

(b)        3        5          1          2

(c)        3        5          4          1

(d)         5        4          1          2