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Electronics and Communication Engineering - Automatic Control Systems - Discussion

Discussion Forum : Automatic Control Systems - Section 5 (Q.No. 47)
Automatic Control Systems
47.
Examine the following statements
  1. Pneumatic systems are fire proof.
  2. Pneumatic systems are explosion proof.
  3. Hydraulic systems are explosion proof.
  4. Hydraulic systems are fire proof.
Which of the above statements are correct?
1 only
1 and 2 only
1 2, 3, 4
2, 3, 4 only
Answer: Option
Explanation:
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Discussion:
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