Diaphragms are made of materials resistant to the particular fluids being transported

Diaphragms are made of materials resistant to the particular fluids being transported.

Choose four materials which are often used to manufacture diaphragms

  1. Rubber
  2. Neoprene
  3. Cotton
  4. Stainless steel
  5. Polyethelene,
  6. Zinc

Choose correct option.

a) 1, 4, 5, 6
b) 2, 4, 5, 6
c) 1, 2, 3, 5
d) 1, 2, 4, 5
e) 1, 2, 4, 6

Show Answer

Answer: d