⚙️Mechanical Engineering MCQs
Mechanical Engineering MCQs
488 MCQs91
Age-hardening is related with______________?
Astainless steel
Bgun metal
Cgerman silver
Dduralumin E. cast iron
92
Babbit metal is a_________________?
Aand
Btin base alloy
Cabove
Dall of the above E.
93
Acidic solution is one which has pH value__________________?
Agreater than 7
Bless than 7
Cequal to 7
DpH value has nothing to do with neutral solution E. none of the above
94
Following elements have face-centred cubic structure__________________?
Agamma iron (910° to 1400°
BMg, Zn, Ti, Zr, Br, Cd
C, W
Dall of the above E. none of the above
95
The transistor is made of___________________?
Asilver
Bgold
Ccopper
Dgermanium E. german silver
96
Pearlite is a combination of___________________?
Aferrite and cementite
Bcementite and gamma iron
Cferrite and austenite
Dferrite and iron graphite E. pearlite and ferrite
97
Lead is poured into the joint between two pipes. These pipes may be made of____________________?
Acast iron
Bvitrified clay
Casbestos cement
Dconcrete E. mild steel
98
Austenite rs a combination of_________________?
Aferrite and cementite
Bcementite and gamma iron
Cferrite and austenite
Dferrite and iron graphite E. pearlite and ferrite
99
Recrystallisation temperature can belowered by_________________?
Apurification of metal
Bgrain refinement
Cworking at lower temperature
Dall of the above E. none of the above
100
Basic solution is one which has pH value___________________?
Agreater than 7
Bequal to 7
Cless than 7
DpH value has nothing to do with basic solution E. none of the above