The material of construction of bearings is__________________?

Related Mcqs:

1. For handling sulphuric acid of 95% strength, the suitable material of construction for pipes is__________________?

   A. Stainless steel
   B. Cast iron
   C. Aluminium
   D. Nickel

2. The material of construction of pressure mills used for squeezing out the juice from sugar cane is__________________?

   A. Stainless steel
   B. Cast iron
   C. Mild steel
   D. Monel

3. Most suitable material of construction for the storage of concentrated nitric acid is__________________?

   A. Cast iron
   B. Monel
   C. Karbate
   D. Aluminium or chromium alloys (Cr > 18% for cold acid)

4. Ball bearings are normally made of _____________ steel?

   A. High speed
   B. High carbon
   C. Chrome
   D. Silicon

5. Bush bearings are made of______________________?

   A. Mild steel
   B. Phosphorous bronze
   C. White metal alloys
   D. None of these

6. Steel balls for ball bearings are generally made of ______________ steel?

   A. Cast
   B. Stainless
   C. Free carbon
   D. Carbon chrome

7. Ball bearings are generally made of___________________?

   A. Plain carbon steel
   B. Chrome carbon steel
   C. Stainless steel
   D. Malleable cast iron

8. Babbitt metal used for bearings is a ____________base alloy?

   A. Tin
   B. Lead
   C. Aluminium
   D. Copper

9. Heavy duty bearings are usually made of___________________?

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

10. Babbitt metal (used for making bearings) comprises of__________________?

    A. Mainly tin (85%) and lead
    B. Saw dust and iron dust mixture
    C. Zinc and aluminium
    D. Copper and aluminium