A. And graphite
C. And copper
D. None of these
A. Manufacturing process
B. Carbon content
C. Hardness
A. Torsion
C. Tensile
D. Compressive
A. German silver
C. Hastelloy
D. Inconel
A. Reinforced
B. Fully metallic
C. Abrasive
A. Tin base alloy
B. Lead base alloy
C. White metal
A. 24
B. 12
C. 30
A. Hard
B. Rollable
C. Brittle
A. Increases the contraction of the metal
B. Reduces its fluidity
C. Suppresses the decomposition of Fe3C
A. 373 K
B. 75 C
C. 150 C
A. Dilute HCI
C. Concentrated H2SO4
A. 20
B. 4
D. 8
B. Iron
C. Copper
D. Beryllium
A. Alum
B. Ferrous sulphate
C. Sulphuric acid
B. Zinc
C. Nickel
D. Silver
A. Cast iron and aluminium
B. Stainless steel and high silicon cast iron
B. Anhydrous ammonia
C. Aromatic solvents
D. Synthetic detergent solution
A. Exists in three allotropic forms
C. None of these
D. Cannot be welded
B. None of these
C. Indicates that steel is not deoxidised properly
D. Is in the form of free Si
A. Magnetic properties
C. Corrosion resistance
D. Ductility
A. Cobalt steel
B. Molybdenum steel
C. Tungsten steel
A. Brass
D. Stainless steel
A. Fireclay bricks
C. PVC
D. Karbate
A. Eutectic
C. Upper critical
D. Lower critical
A. Cementite
B. Ferrite
D. Pearlite
A. Chromium
B. Constantan
A. Lead lined steel
B. Glass lined steel
C. Nickel clad steel
B. Hard
C. Rollable
D. Brittle
A. High silicon iron (14% Si)
C. Cast iron
D. Tin lined with refractory bricks
A. High carbon steel
C. Mild steel
A. Monel
B. Bronze
D. Wrought iron
B. Does not affect its ductility
C. Increases its ductility
D. Decreases its tensile strength
A. Phosphorous bronze
B. Monel
D. Zinc
A. Not suitable for drainage pipe manufacture
B. All A., B. & C.
D. Used in very high temperature applications
A. Tempering
D. Annealing
A. Ductility
C. Creep
D. Resilience
A. Aluminium
B. Lead
B. Tensile strength
C. Shrinkage
D. Melting point
B. Glass
C. High silicon cast iron
D. Porcelain
A. Prevent its rusting by contact with corrosive atmosphere
B. Protect the base metal by cathodic protection
D. Neither A. nor B.
A. Nickel and tin
B. Tin and lead
C. Copper, nickel and zinc
A. Nickel
C. Aluminium
A. Copper, aluminium and silver
B. Silver, zinc and aluminium
C. Silver, nickel and zinc
B. Graphite
C. Carborundum
D. Pumice stone
A. Nimonics
C. Inconel
D. Hastelloys
A. Copper & aluminium
B. Iron & copper
C. Lead & tin
B. Cast iron and high silicon iron
C. Teflon, glass and porcelain
D. Mild steel and stainless steel
B. Pt (95%) & Rh (10%)
C. Cu (55%) & Sn (45%)
D. Fe (80%) & Ni (20%)
A. 10
C. 5
D. 20
A. Thermal & electrical insulator
B. Conductor of heat
C. Conductor of electricity
Showing 51 to 100 of 497 mcqs