__________________ does not contain copper as an alloying element?

A. Nichrome
B. Manganin
C. Perminvar
D. Monel metal

The chlorinator used in the manufacture of DDT is made of___________________?

A. Glass
B. Glass lined steel
C. Teflon
D. Bakelite

Hydrochloric acid is stored in a ________________vessel?

A. Lead lined steel
B. Rubber lined steel
C. Stainless steel
D. Cast iron

High speed cutting tool steels contain about _______________ percent of tungsten?

A. 6-8
B. 18-20
C. 30-35
D. 50-55

The high expansion metal normally used in the bimetallic thermometer is _______________ temperature measurement?

A. Brass for low
B. Nickel alloys for high
C. Both A. & B.
D. Aluminium for all

Mixing vessel used for the chlorination of methane to produce methyl chloride is made of___________________?

A. Copper
B. Cast iron
C. Aluminium
D. High carbon steel

Inconel is an alloy of_________________?

A. Tin, zinc and nickel
B. Iron, nickel and chromium
C. Copper and nickel
D. Copper and tin

Wrought iron is a suitable material of construction for handling _____________ solutions?

A. Dilute acidic
B. Concentrated acidic
C. Alkalis & alkaline
D. None of these

Which one has the maximum tensile strength out of the following ?

A. Nodular cast iron
B. Pig iron
C. White cast iron
D. Grey cast iron

The increase in hardness of metal due to its cold working is termed as the _______________ hardening?

A. Work
B. Age
C. Induction
D. Flame