Ball bearings are generally made of___________________?

Related Mcqs:

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

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

2. Ball bearings are normally made of _____________ steel?

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

3. Heavy duty bearings are usually made of___________________?

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

4. Bearings subjected to light load are made of________________?

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

5. Bush bearings are made of______________________?

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

6. The material of construction of bearings is__________________?

   A. Cast iron
   B. Babbitt metal
   C. Pig iron
   D. Steel

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

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

8. Babbitt metals used for making bearings are _________________?

   A. Tin or lead based alloys
   B. Short of antifrictional properties
   C. Having homogenous microstructure
   D. Yellow metals

9. 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

10. Babbitt metal used for making bearings should have_____________________?

    A. High co-efficient of friction between journal and bearing
    B. Ability to retain lubricant on its surface
    C. Low co-efficient of friction between journal and bearing
    D. Both B. & C.