A. Tungsten
B. Vanadium
C. Silicon
D. All A., B. & C.
Related Mcqs:
- White cast iron as compared to grey cast iron is ________________?
A. More durable
B. Very brittle
C. Very hard
D. All A., B. & C. - Corrosion involves exchange of electrons in ____________ corrosion?
A. Chemical
B. Electrochemical
C. Both A. & B.
D. Neither A. nor B. - Corrosion resistance of steel is increased by the addition of_________________?
A. Phosphorous and tungsten
B. Nickel and chromium
C. Lead and vanadium
D. Molybdenum and tungsten - Cast iron is__________________?
A. Used for making shock resisting parts
B. Manufactured in cupola and is brittle
C. Having compressive strength more than its tensile strength
D. All A., B. & C. - Cast iron compared to steel is better in__________________?
A. Ductility
B. Fluidity & castability
C. Strength
D. Malleability - Cast iron is a ______________ material?
A. Brittle
B. Ductile
C. Tough
D. Malleable - Carbon percentage is the same in cast iron and_________________?
A. Wrought iron
B. Pig iron
C. Mild steel
D. High silicon (14%) iron - Cast iron has____________________?
A. High ductility
B. High malleability
C. Very high tensile strength
D. Its elastic limit very close to ultimate breaking strength - Cast iron has very high___________________?
A. Compressive strength
B. Ductility
C. Shock resistance
D. Resistance to brittleness - White cast iron is not__________________?
A. Malleable
B. Whitish in color
C. Brittle
D. Strong and hard
