A. High silicon iron, silicon rubber, Kel-F and Teflon
B. Mild steel and stainless steel
C. Cast iron, tin and aluminium
D. Copper, nickel and Monel
Related Mcqs:
- Which of the following would not be a suitable material of construction for handling aqueous hydrofluoric acid (HF) at 100°C ?
A. Monel
B. Stainless steel
C. Graphite
D. Kel-F and Teflon - Wrought iron is a suitable material of construction for handling _____________ solutions?
A. Dilute acidic
B. Concentrated acidic
C. Alkalis & alkaline
D. None of these - Wrought iron is a suitable material of construction for handling _____________ solutions?
A. Dilute acidic
B. Concentrated acidic
C. Alkalis & alkaline
D. None of these - For handling sulphuric acid of 95% strength, the suitable material of construction for pipes is__________________?
A. Stainless steel
B. Cast iron
C. Aluminium
D. Nickel - Specify the material of construction suitable for handling concentrated HNO3 at 100°C ?
A. High silicon iron, Kel-F and Teflon
B. Tin and wood
C. Silicone rubber
D. Stainless steel - Dry chlorine can be handled in a vessel made of__________________?
A. Iron or steel
B. PVC
C. Nickel
D. Brass - Vessels made of _____________ can be used to store dry chlorine?
A. Thermoplastic materials
B. Nickel
C. Steel or iron
D. None of these - 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 materials may prove unsuitable for handling acetic acid (glacial & anhydrous) at 40°C ?
A. Silicone rubber, teflon, porcelain and wood
B. Nickel, monel, stainless steel and graphite
C. Aluminium, copper, high silicon iron
D. Brass, cast iron, mild steel and tin - Which of the following is the most suitable material of construction for evaporator & its tubes for concentrating NaOH solution to 70% ?
A. Cast iron
B. Steel
C. Nickel
D. Karbate
