A. Nickel
C. Silver
D. Zinc
A. High silicon cast iron
B. Karbate
D. None of these
A. Low co-efficient of friction
B. Enough plasticity
C. High toughness
B. Not suitable for drainage pipe manufacture
C. All A., B. & C.
D. Used in very high temperature applications
A. Decreases its tensile strength
B. Increases its ductility
C. Does not affect its ductility
B. Bronzes
C. Monel
D. Inconel
A. Induction motors
B. Generators and small motors
D. Armature of small motors/generators
B. None of these
C. Is heated
D. Melts
A. Fully crystalline
B. Amorphous
C. None of these
B. Porcelain
D. Glass
A. Copper & aluminium
B. Lead & tin
C. Iron & copper
B. Anhydrous ammonia
C. Synthetic detergent solution
D. Aromatic solvents
A. Shear blades
C. Gears
D. Shafts
A. Mild steel
B. High silicon iron (14% Si)
D. Copper
A. Zinc, aluminium and nickel
B. Nickel, cobalt and vanadium
D. Zinc, copper and nickel
A. Slip casting
B. Extrusion
D. Plastic pressing
A. Wrought iron
D. Cast iron
A. Soft solder
B. Pewter type metal
C. White-bearing metal
B. Wrought iron
C. Low carbon steel
A. Hastelloy C
B. Stainless steel
C. Titanium
A. All A., B. and C.
B. High co-efficient of thermal expansion
C. Low thermal conductivity
B. Having h.c.p. crystal lattice
C. Not resistant to oxidation at high temperature
D. Ferromagnetic above its curie point (i.e., 415C)
A. Copper
B. High carbon steel
D. Aluminium
B. Ferromagnetic
C. Diamagnetic
A. Carburising
B. Normalising
D. Annealing
A. Moving mercury and crimped steel wire
B. Moving mercury and graphite
C. Moving mercury and carbon
B. High speed
C. Silicon
D. Nickel
A. Inconel
B. Chloro, et-2 alloy
D. Monel
B. Calcium carbide
C. Graphite
D. Hydrocarbon oil
B. Fast oxidation
C. Fast hydration
D. Slow dehydration
A. None of these
C. Hydraulic press
D. Mechanical press
A. Compressive
B. Tensile
C. Torsion
B. Sulphur
C. Phosphorus
A. Above 1403
C. Between 910 & 1403
D. Above 1800
A. Prevent its rusting by contact with corrosive atmosphere
B. Protect the base metal by cathodic protection
D. Neither A. nor B.
A. Sulphuric acid (10%)
B. Saturated brine
C. Hydrochloric acid (10%)
A. Cobalt
C. Vanadium
D. Tungsten
C. Tempering
B. Vanadium
C. Chromium
D. Cobalt
A. Nitriding
C. Cyaniding
D. Pack carburising
B. 2-4% Cr, 22% NI and 2-4% Mo
D. 20-22% Cr, and 8-10% Ni
A. Are prone to temper brittleness
C. Have very poor fatigue resistance
D. Do not contain nickel or chromium or both
A. Injection moulded
B. Extruded
A. Railway spring steel
B. Boiler plate steel
C. Rail steel
A. Copper, aluminium and silver
C. Silver, nickel and zinc
D. Silver, zinc and aluminium
A. Ammonia
B. Acetone
D. Ethyl alcohol
A. Always bad heat conductors
B. Always amorphous in nature
D. Organic in nature
A. Cutting tools
B. Abrasives
D. Neither A. nor B
A. Aluminium
C. Nickel
B. Freon
C. H2SO4 (fuming)
D. H2SO4 (95%) at room temperature
Showing 7201 to 7250 of 8709 mcqs