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Measurements and Instrumentation - Engineering

Q1:

It is required to measure angular position. Out of the transducers
  1. Circular potentiometer
  2. LVDT
  3. E pick up
  4. Synchro
The proper devices are

A 1, 2, 3, 4

B 2 and 3

C 1, 2, 4

D 1 and 4

ANS:D - 1 and 4

LVDT and E pickup are suitable for linear displacement.