Kindly write the answer correctly in the box mentioned below:

1.     Which sheet metal is used in large quantity in sheet metal industry?

A Tin sheets

B Steel sheets

C Brass sheets

D Galvanized iron sheets

2.     Which is called as plate?

A Sheets over 2 mm thick

B Sheets over 3 mm thick

C Sheets over 4 mm thick

D Sheets over 5 mm thick

3.     What is the thickness of the sheet metal used?

A Less than 5 mm thickness

B Less than 4 mm thickness

C Less than 2 mm thickness

D Less than 1 mm thickness

A Bent snip

B Straight snip

C Side cutting plier

D Diagonal cutting plier

5.     What is the use of bent snip?

A To cut straight line

B For cutting internal curves

C For cutting external curves

D To make bends and hems on sheets

6.     What is the purpose of cold punches?

A To make small holes in sheet metal

B To make joints on two sheet metals

C To mark the lines on the sheet metal

D To make continuous punches on the marked line

7.     What precaution to be observed while using solid cold punch?

A The punch should be held at inclined position

B Sheet should be kept on a plate during punching

C Sheet should be kept on lead cake during punching

D While striking head of the punch only is to be watched

8.     What is the use of self - tapping screws?

A For making joints on two plates

B To fix the thick sheets on the walls

C To improve mechanical strength on the joints

D For making joints on thin section of metal sheets

9.     What is the use of thread forming type screws?

A For making thread on holes

B For self-tapping on hand or brittle materials

C For cutting mating threads with projected ridges

D For producing mating thread by displacing the material

10.     What is the special feature in self-piercing and tapping type screws?

A Used along with guns

B Useful for softer and thinner materials

C Projected ridges in the shape of thread

D The thread cuts in the same way as in thread cutting tap