Twist bits are also available coated with ______________(a) Calcium chloride(b) Aluminium Nitrate(c) Titanium Nitrate(d) Titanium NitrideThis question was posed to me in a job interview.Asked question is from Equipments in section Construction Equipments of Construction & Building Materials

Twist bits are also available coated with ______________(a) Calcium ch

1.	Twist bits are also available coated with ______________(a) Calcium chloride(b) Aluminium Nitrate(c) Titanium Nitrate(d) Titanium NitrideThis question was posed to me in a job interview.Asked question is from Equipments in section Construction Equipments of Construction & Building Materials
Answer» Right choice is (d) Titanium Nitride For explanation: Twist BITS coated with Titanium Nitride are easily identified by the GOLD like colour. This coating increases the HARDNESS of the bit and adds self lubricating property. The coating is only REALLY effective when metal is being DRILLED, it has little effect when working with other materials.

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Twist bits are also available coated with ______________(a) Calcium chloride(b) Aluminium Nitrate(c) Titanium Nitrate(d) Titanium NitrideThis question was posed to me in a job interview.Asked question is from Equipments in section Construction Equipments of Construction & Building Materials

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