A. Body centred cubic (bcc)
B. Hexagonal close packed (hcp)
C. Face centred cubic (fcc)
D. None of these
Related Mcqs:
- Mild steel has _______________ crystal lattice structure?
A. Face centred cubic (fcc)
B. Body centred cubic (bcc)
C. Orthorhombic
D. Cubic - Out of the following, the lowest packing of atoms exists in ____________________ crystal lattice structure?
A. Hexagonal close, packed (hcp)
B. Face centred cubic (fcc)
C. Body centred cubic (bcc)
D. Simple cubic - ____________ test is the appropriate test to determine whether a material is ductile or brittle ?
A. Impact
B. Cupping
C. Hardness
D. Tensile - The ‘transition temperature’ for ductile to brittle behavior of steel increases with increase in the _____________ content in steel?
A. Carbon
B. Manganese
C. Both A nor B
D. Neither A nor B - Closeness of packing is maximum in case of ____________________ crystal lattice?
A. Face centred
B. Simple cubic
C. Body centred
D. None of these - The transition temperature at which all the ferromagnetic materials become paramagnetic materials is termed as the ‘Curie temperature’. Its value for cobalt is ______________ °C?
A. 768
B. 1127
C. 1359
D. 1480 - Materials having resistivity ranging from 1 to 100 ohm. cm is termed as___________________?
A. Conductor
B. Insulator
C. Semi-conductor
D. None of these - Tumbling is the process of improving the ________________ of the materials/parts ?
A. Surface finish
B. Fatigue limit
C. Creep limit
D. Surface cleanliness - Austempering process results in the formation of ________________ structure ?
A. Martensitic
B. Bainitic
C. Carburised
D. Stressed - What is the range of tempering temperature (°C) for most of the materials ?
A. 75-100
B. 200-300
C. 350-450
D. 500-600
