Trade Question

1.Surface plates are made of?

A.Alloy steels

B.Fine grained cast iron

C.High grade cast steel

D.Wrought iron

Ans: B

2.In the number drill series, the largest drill size is?

A.8.59 mm

B.5.791 mm

C.5.80 mm

D.102 mm

Ans: B

3.The depth micrometer is used for the measurement of a wide range of sizes because?

A.It has a very lengthy spindle

B.It has adjustable stock for different size settings

C.It has a lengthy graduated sleeve

D.It has a number of extension rods for the different range of sizes

Ans: D

4.The relief angle provided behind the cutting edge is called?

A.Helix angle

B.Poing angle

C.Clearance angle

D.Chisel edge angle

Ans: C

5.When the taper shank of the drill is larger than the machine spindle, the device to hold the drill is?

A.Chuck and key

B.Drill drift

C.Taper socket

D. Drill sleeve

Ans: C

6.The clearance angle of a drill is between?

A.12 deg to 20 deg

B.3 deg to 5 deg

C.15 deg to 20 deg

D.8 deg to 12 deg

Ans: D

7.The least count of a vernier bevel protractor is?

A.1 deg

B.1 inch

C.5'

D.5 deg

Ans: C

8.Name of the chemical solution used for cleaning the parts of a micrometer after it is dismantled?

A.Thinner

B.Carbon tetrachloride

C.Clean oil

D.None of above

Ans: B

9.The pattern on the work surface caused by the movement of the cutting tool is called?

A.Roughness

B.Surface texture

C.Waviness

D.Roughness spacing

Ans: B

10.A sine bar is made of?

A.Nickel steel

B.High carbon steel

C.Stabilized chromium steel

D.High speed steel

Ans: C

11.The process of bevelling the end of the hole is called?

A.Counterboring

B.Spot facing

C.Countersinking

D.Reaming

Ans: C

12.The included angle of the groove of 'V' block is always?

A.45 deg

B.90 deg

C.60 deg

D.120 de

Ans: D