Iron rust is_________________?
Iron rust is_________________?
A. Ferrous oxide
B. Hydrated ferric oxide
C. Powdered iron
D. Ferric sulphide
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Corrosion resisting properties of cast iron are significantly improved by the addition of 12 – 15% of___________________?
Corrosion resisting properties of cast iron are significantly improved by the addition of 12 – 15% of___________________?A. Tungsten
B. Vanadium
C. Silicon
D. All A., B. & C.Babbit metal used for bearings is a____base alloy.
Question: Babbit metal used for bearings is a____base alloy.
[A].tin [B].
lead [C].
aluminium [D].
copper Answer: Option A
Explanation:
No answer description available for this question.
The carbonating tower used in Solvay process of soda ash manufacture is made of_________________?
The carbonating tower used in Solvay process of soda ash manufacture is made of_________________?A. Cast iron
B. Stainless steel
C. Karbate
D. Lead lined steelPresence of nitrogen in steel___________________?
Presence of nitrogen in steel___________________?A. Makes it brittle
B. Increases its strength
C. Increases its hardness
D. Is desirableAddition of tungsten to steel imparts___________________?
Addition of tungsten to steel imparts___________________?A. Magnetic properties
B. Cutting hardness
C. Corrosion resistance
D. DuctilityBabbitt metal is not a___________________________?
Babbitt metal is not a___________________________?A. Tin base alloy
B. White metal
C. Lead base alloy
D. Pure metal