Centrifugal pump made of pyrex or glass can’t be used to pump___________________?

Related Mcqs:

1. Common house hold glass (i.e., soda-lime glass) is a/an _____________ material?

   A. Fully crystalline
   B. Partly crystalline
   C. Amorphous
   D. None of these

2. Glass is corroded by________________?

   A. Fluorine (dry or wet)
   B. Sulphuric acid
   C. Phosphoric acid
   D. None of these

3. Glass lined vessels are not used for handling/storing__________________?

   A. Dilute H2SO4
   B. Dilute HNO3
   C. Dilute HCl
   D. Hydrofluoric acid

4. Glass lined vessels are not used for handling__________________?

   A. Dilute H2SO4
   B. Dilute HNO3
   C. Dilute HCI
   D. Hydrofluoric acid

5. Tank furnace used for melting of glass is made of___________________?

   A. Mild steel
   B. Cast iron
   C. Refractory blocks
   D. Stainless steel

6. ______________ is never shipped in glass carboys?

   A. Ammonia
   B. Acetic acid
   C. Phenol
   D. Formaldehyde

7. Bearings subjected to light load are made of________________?

   A. White metal
   B. Phosphorous bronze
   C. Monel
   D. Silicon bronze

8. Post weld heat treatment is done by____________________?

   A. Normalising
   B. Stress relieving
   C. Tempering
   D. Solution annealing

9. Aqueous nitric acid is stored in ______________ vessel?

   A. Plain carbon steel
   B. Stainless steel
   C. Cast iron
   D. Thermosetting plastic material

10. Which of the following is the most prone to atmospheric corrosion ?

    A. Silver
    B. Iron
    C. Tin
    D. Copper