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WorksheetsTY_A_MECH_Metallurgy_Test No.1_Ferrous metals and its alloys
Total questions: 30
Worksheet time: 8hrs 30mins
Eutectic means complete solubility in
a) Liquid state
b) Solid state
c) Liquid & solid state
d) Neither liquid nor solid
Single phase means_______________
a) same physical & chemical properties
b) same physical but different chemical properties
c) different physical & chemical properties
d) any combination can be accepted
Iso-morphous means complete solubility in__________
a) Liquid state
b) Solid state
c) Liquid & solid state
d) Neither liquid nor solid state
Which of the following alloy does not shows liquid plus solid phase during freezing.
a) Eutectic
b) Eutectoid
c) Peritectic
d) Hypoeutectic
Which of the following element is neutral element added to alloy steel______
a) W
b) Mn
c) Co
d) Pb
Which of the following steel gets work hardened?
a) HCHC
b) Hadfield Mn steel
c) HSLA steel
d) Dual phase steel
100% pearlite is present in _______% C steel.
a) 0.8
b) 2%
c) 4.3%
d) 0.008
Which of the following is substitutional solid solution?
a) Ferrite in steel
b) Single phase brass
c) Fe3C in steel
d) Pearlite
Which of the following steel is solution treated and aged?
a) HCHC
b) HSLA
c) HSS
d) Maraging steel
Martensite is having ___________ structure.
a) FCC
b) BCT
c) BCC
d) HCP
Which of the following is product of Eutectic transformation in Fe-Fe3C diagram?
a) Pearlite
b) Bainite
c) Martensite
d) Iedeburite
Which of the following is Interstitial solid solution?
a) α-Brass
b) α-Iron
c) β-Brass
d) Cementite
Which of the following alloy is having best casting properties?
a) Eutectic alloy
b) Eutectoid alloy
c) Peritectic alloy
d) Solid solution alloy
Which of the following element is austenite stabilizer, when added to steels?
a) Silicon
b) Manganese
c) Chromium
d) Cobalt
Which of the following phases present in Fe-Fe3C diagram have BCC structure?
a) Ferrite
b) Austenite
c) Cementite
d) Martensite
Which of the following phases present in Fe-Fe3C diagram have FCC structure?
a) Ferrite
b) Austenite
c) Cementite
d) Martensite
Which of the following element causes grain coarsening in steels?
a) Cobalt
b) Molybdenum
c) Niobium
d) Chromium
Hadfield manganese steel develops high hardness due to work hardening effect.
A) TRUE
B) FALSE
Chromium is added to alloy steel to increase its hardenability.
a) True
b) False
Micro structure of 0.4% carbon steel will have________?
a) pro-eutectoid ferrite and pearlite
b) pro-eutectoid cementite and pearlite
c) pro-eutectoid pearlite and cementite
Austenitic stainless steel are magnetic in nature.
a) True
b) False
Martensitic stainless steel are magnetic in nature.
a) True
b) False
Which of the following cast iron has highest tensile strength?
a) White iron
b) Grey iron
c) SG iron
d) Mottled iron
Which of the following cast iron have higher carbon equivalent.
a) Grey cast iron
b) White cast iron
c) Malleable Cast iron
d) SG cast iron
Proeutectic constituents observed in cast iron are_______
a) Cementite
b) Austenite
c) Delta iron
d) Ferrite
Which of the following elements acts as carbide stabilizer when added to steels.
a) Cr
b) Ni
c) Mo
d) Si
Malleabilising treatment is carried out on__________.
a) SG Cat Iron
b) Grey Cast Iron
c) White Cast Iron
d) Nodular Cast Iron
Which of the following constituent is observed as proeutectic as well as preutectoid constituent in Fe-Fe3C diagram?
a) Ferrite
b) Pearlite
c) Delta Iron
d) Cementite
Which of the following represents Eutectic transformation in steels?
a) L + Ferrite = Austenite
b) Ferrite + Pearlite = Austenite
c) L = Cementite + Austenite
d) L + Ferrite = Cementite
Which of the following stainless steels is non-magnetic?
a) AISI 304
b) AISI 410
c) AISI 430
d) None of these
