__________________ does not contain copper as an alloying element?

Related Mcqs:

1. _______________ does not contain tin as an alloying material?

   A. Brass
   B. Pewter
   C. Solder
   D. Babbitt metal

2. Softness of silver can be converted into hardness by alloying it with small quantity of_________________?

   A. Copper & nickel
   B. Zinc
   C. Aluminium
   D. Tin

3. Which of the following alloys does not contain nickel ?

   A. Chloro, et-2 alloy
   B. Monel
   C. Inconel
   D. Babbitt metal

4. Which of the following alloys does not contain nickel ?

   A. Chlorinet – 2 alloy
   B. Monel
   C. Inconel
   D. Babbitt metal

5. German silver is an alloy of copper, nickel and________________?

   A. Zinc
   B. Silver
   C. Tin
   D. Lead

6. Presence of even very minute amount (say 0.1%) of ______________ in copper, reduces its electrical conductivity very seriously?

   A. Bismuth
   B. Arsenic
   C. Antimony
   D. Both B. and C.

7. Bronze is an alloy of copper and _________________?

   A. Lead
   B. Tin
   C. Nickel
   D. Zinc

8. Presence of 0.3 to 0.5% arsenic in copper increases its____________________?

   A. Ductility
   B. Malleability
   C. Tenacity & hardness
   D. Electrical conductivity

9. Out of the following, copper vessels are the most suitable for the storage of__________________?

   A. Bromine
   B. Dry chlorine & dry fluorine
   C. Nitric acid (95% and fuming)
   D. Phosphoric acid (95%) & sulphuric acid (95% and fuming)

10. An alloy used as thermocouple material comprises of 40% nickel and 60% copper. It is called____________________?

    A. Constantan
    B. Kanthal
    C. Chromel
    D. German silver