A. Normalising
B. Carburising
D. Annealing
B. Highly electronegative in nature
C. An alloy
D. All A., B. & C.
B. Quartz
C. Corundum
D. Fluorite
A. Thermal conductivity
B. Corrosion resistance
D. Price
A. rmal strain
B. Having very low elastic limit resulting in permanent deformation from either mechanical or
C. Usually joined by burning (e.g. by melting to adjacent pieces with a torch)
E. Especially resistant to solutions containing H2SO4
B. Chromium steel
C. Molybdenum steel
D. None of these
B. Zinc
C. Aluminium
D. Alkali metals (K, Na, Li)
A. Plastic pressing
B. Extrusion
C. Slip casting
B. All A., B. and C.
C. Hydrochloric acid (10%)
D. Nitric acid
A. Vanadium
C. Molybdenum
D. Chromium
A. Manganese, phosphorus and nickel
B. Nickel, tin and copper
C. Copper, phosphorus and nickel
A. Fluorite
B. Feldspar
C. Quartz
A. None of these
B. Soft on surface
D. Easily machinable
A. Chemical
B. Electrochemical
D. Neither A. nor B.
A. Cast iron
C. Karbate
D. Mild steel
A. Tin
D. Lead
A. Toughness
B. Wear resistance
C. Hardenability
A. Antimony
C. Oxygen
D. Arsenic
A. Topaz
B. Calcite
D. Carborundum
A. Metalloy
C. Non-crystalline ceramics
D. Pellets
A. Brass for low
B. Nickel alloys for high
D. Aluminium for all
A. Karbate
B. Acidic refractory
C. Rubber
B. Concentrated acidic
D. Dilute acidic
B. Electroforming
C. Cold working
D. Forging
A. Strength
B. Ductility
D. Malleability
A. Copper and tin
C. Copper and nickel
D. Lead and tin
A. Bismuth
B. Arsenic
C. Antimony
A. Utensil manufacture
B. Small scale industries
D. Industrial equipment manufacture
B. White cast
C. None of these
D. Wrought
A. Ductility and impact strength improves
B. Yield stress, hardness and fatigue strength is not at all affected
D. Cracks and blow holes are eliminated
A. Silver
B. Tin
C. Lead
A. Reduced
B. None of these
C. Converted to a fine powder
A. Nickel or copper
B. Bronze
C. Brass
C. Non-ferrous metals
D. Stainless steel
A. White cast iron
B. Pig iron
D. Grey cast iron
B. Silver
D. Copper
A. Compressive strength
C. Tensile strength
A. Silica
B. Lead
C. Fireclay
B. 0.35
C. 0.02
D. 0.5
A. Increases its hardness
B. Increases its strength
D. Is desirable
A. Its hard and machinable
C. Its brittle and malleable
B. Reinforced cement concrete
D. Asbestos cement
B. Molybdenum
C. Zinc
D. Tin
A. Copper
B. Magnesium
A. Cartridge brass
B. Aluminium brass alloy
D. Muntz brass
A. Steel
C. Cast iron
B. Steel
D. Cast iron
Showing 451 to 497 of 497 mcqs