MCQGeeks
CBSE
JEE
NTSE
NEET
English
UK Quiz
Quiz
Driving Test
Practice
Games
Quiz
Mechanical Behaviour Testing Materials
Mechanical Behaviour Assessment
Quiz 1
Solution
Q.1.
____________ favors the creep resistance of the metal.
a) Lower SFE
b) High temperature
c) High stress
d) Pre-strain
Q.2.
BCC metals have ___________ stacking fault energy.
a) Zero
b) Very low
c) Medium
d) Very high
Q.3.
Sherby and Burke equation shows that ___________ diffusivity and ___________ E favors low creep rate.
a) High, high
b) High, low
c) Low, high
d) Low, low
Q.4.
__________ favors low creep rate.
a) Low E
b) High diffusivity
c) Low SFE
d) High stress
Q.5.
When does annealed condition is preferred over cold worked condition?
a) At low temperature
b) For short holding time
c) Very high temperature
d) For medium temperature
Q.6.
Which of the following elements gives a maximum increase in recrystallization temperature in Al?
a) Si
b) Mg
c) Cu
d) Mn
Q.7.
Which element have the least effect on increase creep resistant in aluminum?
a) Mn
b) Fe
c) Cu
d) Cr
Q.8.
Which element gives highest strain ageing effect in steel?
a) C
b) N
c) Mo
d) Al
Q.9.
What is service temperature limitation for precipitation hardened alloys?
a) Melting temperature
b) Solvus temperature
c) Recrystallization temperature
d) Growth temperature
Q.10.
Which compounds are widely used as second phase dispersoids?
a) Borides
b) Aluminides
c) Silisides
d) Oxides
Q.11.
Sintered aluminum product can retain its strength up to about ___________
a) 0.2 Tm
b) 0.4 Tm
c) 0.6 Tm
d) 0.9 Tm
Q.12.
Fine grained structure is preferred always for creep conditions.
a) True
b) False
Q.13.
Quenched steel have poor creep properties.
a) True
b) False
Q.14.
Which steel is preferred in creep conditions?
a) Normalized
b) Overaged
c) Annealed
d) Quenched
Q.15.
Which steelmaking method gives the best creep properties?
a) Induction
b) Arc furnace
c) Twin hearth
d) Open hearth
Support mcqgeeks.com by disabling your adblocker.
×
Please disable the adBlock and continue.
Thank you.
Reload page