Pipes for bicycle frames are made of___________________?

Related Mcqs:

1. Lead is poured into the joint between two pipes. These pipes may be made of____________________?

   A. cast iron
   B. vitrified clay
   C. asbestos cement
   D. concrete
   E. mild steel

2. Which of the following pipes is least corrosion resistant__________________?

   A. brass
   B. mild steel
   C. cast iron
   D. wrought iron
   E. copper

3. In malleable iron, carbon is present in the form of___________________?

   A. cementite
   B. free carbon
   C. flakes
   D. spheroids
   E. nodular aggregates of graphite

4. German silver is an alloy of___________________?

   A. silver and some impurities
   B. refined silver
   C. nickel, copper and zinc
   D. nickel and copper
   E. silver and gold

5. Inconel is an alloy of___________________?

   A. nickel, chromium and iron
   B. nickel, copper
   C. nickel, chromium
   D. nickel, zinc
   E. nickel, lead

6. An engineer’s hammer is made of___________________?

   A. cast iron
   B. forged steel
   C. mild steel
   D. high carbon steel
   E. H.S.S

7. Compressive strength of grey cast iron in tonnes/cm is of the order of___________________?

   A. 3- 5
   B. 5-7
   C. 7-10
   D. 10-15
   E. 15-22

8. Pearlite is a combination of___________________?

   A. ferrite and cementite
   B. cementite and gamma iron
   C. ferrite and austenite
   D. ferrite and iron graphite
   E. pearlite and ferrite

9. The transistor is made of___________________?

   A. silver
   B. gold
   C. copper
   D. germanium
   E. german silver

10. Aluminium bronze contains aluminium and copper in the ratio of___________________?

    A. 50 : 50
    B. 40 : 60
    C. 60 : 40
    D. 10 : 90
    E. 90 : 10