Kindly answer the question in the box mentioned below:

1 Which is the cheapest sheet metal and widely used to

make tanks?

A GI sheet

B Copper sheet

C Aluminium sheet

D Black iron sheet

2 Which sheet metal widely used for food containers?

A Lead

B GI sheet

C Black iron

D Tinned plate

3 Aluminium cannot be used in pure form, but it is mixed

with very small amount of sheet metals. What are these

metals?

A Zinc, lead & zinc

B Copper, zinc & tin

C Copper, lead & zinc

D Copper, silicon, manganese & iron

4 Why stainless steel is used in diaries, food processing,

chemical plants and kitchen ware?

A Shinning

B Less cost

C Unbreakable

D Good corrosion resistances

5 Which metal sheets used for making high corrosion

acid tanks?

A Lead sheet

B Copper sheet

C Black iron sheet

D Aluminium sheet

6 Which is “galvanized iron”?

A Black iron

B Zinc coated iron

C Lead coated iron

D Copper coated iron

7 Which is shearing operation?

A Cutting of sheet metal

B Joining of sheet metal

C Riveting of sheet metal

D Soldering of sheet metal

8 How is the thickness of sheet metal specified?

A in mm

B in inches

C gauge number

D by colour code

9 Which type of notch used for forming a rectangular box?

A ‘V’ notch

B Slant notch

C Square notch

D Straight notch

10 Which type of process called a hem in sheet metal work?

A Border made by folding

B Border made by welding

C Border made by grinding

D Border made by plastic coating