An engineer’s hammer is made of___________________?

Related Mcqs:

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

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

2. 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

3. Inconel is an alloy of___________________?

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

4. Pipes for bicycle frames are made of___________________?

   A. cold rolled steel
   B. hot rolled steel
   C. forged steel
   D. cast steel
   E. carbon-chrome steel

5. 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

6. 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

7. The transistor is made of___________________?

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

8. 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

9. Piston rings are usually made of___________________?

   A. cast iron
   B. aluminium
   C. phosphor bronze
   D. babbitt
   E. carbon steel

10. Thermal efficiency of a thermal power plant is of the order of___________________?

    A. 15%
    B. 20%
    C. 30%
    D. 45%
    E. 60%.