Tin coating is not done by

100 kg of solution A is mixed with 60 kg of solution B . If solution A has tin and copper in the ratio 1: 4 and solution B has lead and tin in the ratio 3 :2 then what is the amount of tin in the new solution?

A

70 kg

B

36 kg

C

44 kg

D

56 kg

Tin coating on metals is not done by

A

Spraying

B

Powder metallurgy

C

Hot dipping

D

Electro-deposition

e-TIN 46-(e-TIN was introduced in -)

A

2020

B

2003

C

1992

D

2013

Tin base and lead base alloys are used for bearing materials. Tin compared to lead has lower

A

Price

B

Corrosion resistance

C

Thermal conductivity

D

Abundant availability

Among the tin containing alloys, __________ consumes the maximum amount of tin.

A

Solder

B

White metal

C

Pewter matal

D

Bronzes

Protection of ship hulls against sea water corrosion is done by coating with zinc because of the fact that zinc compared to iron is

A

Reduced preferentially

B

Cheaper

C

Oxidised preferentially

D

Lighter

Galvanising (i.e., zinc coating) of steel sheets is done to

A

Prevent its rusting by contact with corrosive atmosphere

B

Protect the base metal by cathodic protection

C

Both A & B

D

Neither A nor B

Food cans are coated with tin and not with zinc because

A

Zinc is costlier than tin

B

Zinc has a higher melting point than tin

C

Zinc is more reactive than tin

D

Zinc is less reactive than tin

Which of the following alloys does not contain tin?

A

White metal

B

Solder admiralty

C

Fusible metal

D

Phosphor bronze

Which of the following is not an alloy of tin?

A

White-bearing metal

B

Pewter type metal

C

Soft solder

D

German silver

Tin coating is not done by

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