A. Copper and tin
B. Copper and nickel
C. Molybdenum and nickel
D. Lead and tin
Related Mcqs:
- Hastelloy C is a good material of construction in chemical process industry, since it is ___________________?
A. Highly corrosion resistant and is readily fabricated
B. Relatively inexpensive although it can be fabricated with some difficulty
C. Corrosion resistant to most alkalis, particularly because of its copper content
D. Light and resists attack by acids - Which of the following comprises of hydrocarbons ?
A. Mica flakes
B. Glass
C. Rubber
D. None of these - Babbitt metal (used for making bearings) comprises of__________________?
A. Mainly tin (85%) and lead
B. Saw dust and iron dust mixture
C. Zinc and aluminium
D. Copper and aluminium - An alloy used as thermocouple material comprises of 40% nickel and 60% copper. It is called____________________?
A. Constantan
B. Kanthal
C. Chromel
D. German silver - Muntz metal is a/an alloys of____________________?
A. Magnesium & tin
B. Ferrous material
C. Lead & tin
D. Copper & zinc - Reactor used in the production of polyvinyl chloride (PVC) is made of____________________?
A. Nickel or glass lined steel
B. Aluminium
C. Tantalum
D. Lead - 18-4-1 high speed steel contains 18%, 4% and 1% respectively of____________________?
A. Tungsten, vanadium and chromium
B. Tungsten, chromium and vanadium
C. Vanadium, chromium and tungsten
D. Chromium, tungsten and vanadium - Brine (15% concentration) can be stored in a vessel made of____________________?
A. Monel
B. Karbate
C. Cast iron
D. None of these - Silicone rubber is not resistant to the corrosive action of____________________?
A. Sulphuric acid (10%)
B. Sulphuric acid (95%)
C. Ether
D. Both B. and C. - Soap kettle used in the production of laundry soap is made of____________________?
A. Steel with top section nickel clad or stainless steel
B. Cast iron
C. Nickel
D. Concrete
