A. 80% or more iron
B. 50% or more iron
C. alloying elements like chromium, tungsten nickel and copper
D. elements like phosphorus, sulphur and silicon in varying quantities
E. high quantities of sulphur
Mechanical Engineering Mcqs
Mechanical Engineering Mcqs for Preparation of Job Test and interview, freshers, Students, competitive exams etc. Multiple choice questions here are on topics such as Machine Design, Theory of Machines, Hydraulic Machines etc.
A. tenacity
B. brittleness
C. plasticity
D. corrosion resistance
E. hardness
A. free carbon
B. graphite
C. cementite
D. white carbon
E. ferrite
A. no graphite
B. a very high percentage of graphite
C. a low percentage of graphite
D. graphite as its basic constituent of composition
E. none of the above is true
A. paramagnetic
B. ferromagnetic
C. ferroelectric
D. dielectric
E. none of the above
A. hard’
B. soft
C. ductile
D. tough
E. malleable
A. face-centred cubic lattice
B. body-centred cubic lattice
C. hexagonal close-packed lattice
D. all of the above
E. none of the above
A. cementite
B. free carbon
C. flakes
D. spheroids
E. nodular aggregates of graphite
A. cementite
B. free carbon
C. flakes
D. spheroids
E. nodular aggregates of graphite
A. malleability
B. ductility
C. surface finish
D. damping characteristics
E. hardness
