Galvanising means covering iron with a thin coat of

A coat was sold for Tk 75. The coat was sold for 150% of the cost of the coat. How much did the coat cost?

A

Tk. 150

B

Tk. 45

C

Tk. 50

D

Tk. 60

A coat was sold for TK. 75. The coat was sold for 150% of the cost of the coat. How much did the coat cost ?

A

TK. 150

B

TK. 45

C

TK. 50

D

TK. 60

The main purpose of galvanising iron sheets is to

A

Harden the surface

B

Increase its glossiness and lustre

C

Prevent the action of water

D

Prevent the action of oxygen

The metal chiefly used for galvanising iron is :

A

Zinc

B

Mercury

C

Cadmium

D

Tin

If 'blue' means 'green', green' means 'yellow' 'yellow' means 'orange', 'orange' means 'black', 'black' means 'white', 'white' means 'red', 'red' means 'pink', 'pink' means 'brown', 'brown' means 'grey', than what is the color of human blood?

A

black

B

red

C

white

D

orange

The price of a coat in a certain store is tk 500. If the price of the coat is to be reduced by tk 150, by what percent is the price to be reduced?

A

10%

B

15%

C

20%

D

30%

Nick paid $ 68.25 for a coat, including sales tax of 5% what was the original price of the coat before tax?

A

$ 63.25

B

$ 65.25

C

$65.00

D

$64.84

Galvanising is generally done on

A

Non-ferrous metals

B

Low carbon steel

C

Stainless steel

D

Cast iron

Galvanising is not a zinc diffusion process. A zinc diffusion process is termed as

A

Sheradising

B

Parkerising

C

Anodising

D

None of these

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

Galvanising means covering iron with a thin coat of

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