24.

25.

26.

27.

28.

29.

30.

Flute is the part of a drill bit, Which of the following statement is/are correct about flutes :

L Flutes helps to form the cutting edges
Il. Flutes helps for chip removal process

Ill. Flutes helps for coolant flow

IV. Flutes Helps for improving strength of drill
(A) ILand III ൯ 1 17
(0) 1 11 ೩೧6111 (0) II, 111 and IV

Which one of the material is generally used for making surface plates?

(A)
(C)

Grey cast iron
Mild steel

What is the Use of a Die Nut (Solid Die)?
(4) For Cutting Internal Thread (
(C) For cutting Threads in Nuts only
Which one of the following is a commercially avail
and quick dry action?
(A)
(C)

Cellulose lacquer (

Copper sulphate

0)

(0)

(B) White cast iron

(D) Alloy steel

B) For Cutting External Thread

For Reconditioning Damaged threads

lable marking media with various colours

B) White wash

Prussian Blue

Vices are used for holding workpieces for various operations, which of the following Vice has

only a Line contact occurs between work and jaw p
(^) Bench Vice (

(C) Tool makers Vice

(D)

late instead of surface contact?
B) Leg Vice

Parallel jaw vice

Which type of limit gauge is suitable for checking the width of a rectangular prism?

(A)
(C)

Plug gauge

Progressive plug gauge

(D)

൯) Ring gauge
Snap gauge

Eye hole is part of hammer, What is the shape of an Eye hole?

(A) Itisa round straight hole
(B) 1४18 an oval shaped straight hole
(C)
ends
(0)

towards its ends

011/2022 6

it is a round tapered hole with an increase in diameter from centre towards its

it is an oval shaped tapered hole with an increase in diameter from centre