A. 6
B. 5
C. 3
D. 2
Related Mcqs:
- How many molecules per unit cell are there in a face centred cubic lattice ?
A. 2
B. 4
C. 6
D. 8 - Materials having _____________ lattice structure are usually most ductile?
A. FCC
B. BCC
C. HCP
D. Cubic - Caustic soda is produced in a mercury cell having anode and cathode made respectively of moving mercury and_________________?
A. Moving mercury and graphite
B. Graphite and moving mercury
C. Moving mercury and carbon
D. Moving mercury and crimped steel wire - Condenser tubes are not made of_________________?
A. Cartridge brass
B. Muntz brass
C. Wood metal
D. Aluminium brass alloy - Reduction in the grain size reduces the _______________ of the material?
A. Fatigue resistance
B. Tensile strength
C. Creep resistance
D. All A., B. & C. - As the impurities are oxidised, the melting point of iron___________________?
A. Decreases
B. Remains unchanged
C. Increases
D. May increase or decrease; unpredictable - Which of the following is the most suitable material of construction for evaporator & its tubes for concentrating NaOH solution to 70% ?
A. Cast iron
B. Steel
C. Nickel
D. Karbate - Which of the following is produced by condensation polymerisation ?
A. Bakelite
B. Polythene
C. Poly vinyl chloride
D. Polystyrene - Addition of ______________ in steel is helpful in increasing the depth of hardness?
A. Chromium
B. Sulphur
C. Vanadium
D. Tungsten - Carbon is present in the uncombined (graphitic) form in case of__________________?
A. Cast iron
B. Steel
C. Ferroalloy
D. None of these
