EOM-3 PAPER 5

21,The elements in the WHITE METAL are?,

Tin ; Antimony ;Lead;

Copper,Copper ; tin ; 

chromium,Copper ; zinc;Tin

Tungston and chromium,

22,The percentage of silver content in the GERMAN SILVER is?,

10 %,

5 %,

2.5 %,

0 %,

23,Rods are dipped in diluted H2SO4 or HCL to remove scales is called?,

Patenting,

Forging,

Pickling,

Normalising,

24,The steel rod for wire making becomes homogeneous by the process of?,

Patenting or normalising,

Forging,

Pickling,

Annealing,

25,In stainless steel the chromium percentage is?,

10 to 15 %,

18 to 20 %,

25 to 30 %,

less than 10%,

ANS: 1,4,3,1,2