- (A) Duriron
- (B) Nickel
- (C) Aluminium
- (D) Karbate
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- (A) Mild steel
- (B) Cast iron
- (C) Stainless steel
- (D) Galvanised iron
- (A) Bronze
- (B) Solder
- (C) Duralumin
- (D) Monel metal
- (A) Caustic soda solution
- (B) Phosphoric acid
- (C) Sulphuric acid (10%)
- (D) None of these
- (A) Wrought iron
- (B) Brass
- (C) Bronze
- (D) Monel
- (A) Soft solder
- (B) Casting for dental work
- (C) Storage tank for storing brine and caustic soda
- (D) Fusible safety plug for pressure cooker
- (A) Inconel
- (B) Monel
- (C) Aluminium bronzes
- (D) Brass
- (A) Tin base alloy
- (B) White metal
- (C) Lead base alloy
- (D) Pure metal
- (A) Ferritic
- (B) Martenistic
- (C) Austenitic
- (D) None of these
- (A) Plain carbon steel
- (B) Stainless steel
- (C) Rubber or durmet-20 lined
- (D) Lead
