cameroon gce intermediate level material science and processes 1

cameroon gce intermediate level material science and processes 1

cameroon gce intermediate level material science and processes 1

Which of the following designation is not correct ?

A En-GJL 400-80
B A1 Si5 Cu3
C X 6 Cr Ni Ti 10-08
D 20 Ni Cr W 04-18

______________________________________________
2. Select the most suitable process of production of
pieces with cast iron.

A Bending
B Sheet metal
C Sand casting
D Hot forging

______________________________________________
3. The lowest critical point of all steels is

A 600oC
B 700oC
C 913oC
D 723oC

______________________________________________
4. The hardness of a steel increases if it contains

A Cementile
B Ferrite
C Austenite
D Pearlite

______________________________________________
5. Bronze is an alloy made from

A Copper and tin
B Copper and nickel
C Copper and chromium
D Copper and zinc

PDF is loading please wait...


Leave a comment

Your email address will not be published. Required fields are marked *

Download our application
kawlo
sponsors Ads