A. Nickel and tin
B. Copper and zinc
C. Tin and lead
D. Copper, nickel and zinc
Related Mcqs:
- Constantan is an alloy of____________________?
A. Cu (55%) & Sn (45%)
B. Cu (55%) & Ni (45%)
C. Pt (95%) & Rh (10%)
D. Fe (80%) & Ni (20%) - Brass container is suitable for storing__________________?
A. Aqueous ammonia
B. Beer
C. H2SO4 (95%)
D. Phosphoric acid (95%) - Brass tubes are used in the manufacture of tubes of evaporators used in sugar and salt industries, mainly because of its ______________________?
A. High co-efficient of thermal expansion
B. Low thermal conductivity
C. High corrosion resistance
D. All A., B. and C. - Which of the following alloy steels has the energy saving properties making it suitable for use in electrical machines ?
A. Silicon steel
B. Chromium steel
C. Molybdenum steel
D. None of these - Which of the following is not an alloy of copper ?
A. Muntz metal
B. Admiralty gun metal
C. German silver
D. Pewter metal - Which of the following is not a non-ferrous alloy ?
A. Meehanite
B. Magnalium
C. Gun metal
D. Muntz metal - German silver in an alloy of________________?
A. Copper, nickel and zinc
B. Copper, aluminium and silver
C. Silver, zinc and aluminium
D. Silver, nickel and zinc - Which of the following alloy steels is the most suitable for making gun barrels and projectiles ?
A. Tungsten steel
B. Molybdenum steel
C. Nickel-chrome steel
D. Cobalt steel - Which of the following is not an alloy of nickel and chromium ?
A. Inconel
B. Hastelloy
C. Nimonic alloys
D. Duralumin - Which of the following pairs of elements may form an alloy ?
A. Iron & carbon
B. Iron & mercury
C. Platinum & mercury
D. None of these
