A. F.C.C.
B. B.C.C.
C. H.C.P.
D. Orthorhombic crystalline structure
E. none of the above
Related Mcqs:
- The crystal structure of gamma iron is_________________?
A. body centred cubic
B. face centred cubic
C. hexagonal close packed
D. cubic structure
E. orthorhombic crystal - Brass (alloy of copper and zinc) is an example of__________________?
A. substitutional solid solution
B. interstitial solid solution
C. intermetallic compounds
D. all of the above
E. none of the above - Brass contains___________________?
A. 70% copper and 30% zinc
B. 90% copper and 10% tin
C. 85-92% copper and rest tin with little lead and nickel
D. 70-75% copper and rest tin
E. 70% copper and 30% tin - Admiralty brass used for steam condenser tubes contains copper and zinc in the following ratio_________________?
A. 50 : 50
B. 30 : 70
C. 70 : 30
D. 40 : 60
E. 60 : 40 - The metallic structure of mild steel is_________________?
A. body centred cubic
B. face centred cubic
C. hexagonal close packed
D. cubic structure
E. orthorhombic crystal - The crystal of alpha iron is ____________________?
A. body centred cubic
B. face centred cubic
C. hexagonal close packed
D. cubic structure
E. orthorhombic crystal - A reversible change in the atomic structure of steel with corresponding change in the properties is known as___________________?
A. molecular change
B. physical change
C. allotropic change
D. solidus change
E. atomic change - Hardness of upper bainite (acicular structure) is about___________________?
A. RC 65
B. RC 48
C. RC 57
D. RC 80
E. RC 32. - A reversible change in the atomic structure of the steel with a corresponding change in the properties is known as_________________?
A. allotropic change
B. recrystallisation
C. heat treatment
D. precipitation
E. austempering - Pure iron is the structure of_______________?
A. ferrite
B. pearlite
C. anstenite
D. ferrite and cementite
E. ferrite and pearlite
