Quiz Questions

Question 1 1 Marks

Which is used to support hollows end jobs?

A

Ball centre

B

Pipe centre

C

Female centre

D

Tipped centre

Question 2 1 Marks

Calculate the driven gear to cut 2mm pitch on a job using a lathe having lead screw of 4mm pitch with driven gear 50 teeth?

A

50

B

60

C

100

D

120

Question 3 1 Marks

What is the purpose of tail on the lathe carrier?

A

Give good finish

B

Protect the work

C

Protect the operator

D

Locate and drive the work

Question 4 1 Marks

Which method is used for turning steep taper?

A

Form tool

B

Offset tail stock

C

Compound slide swivel

D

Taper turning attachment

Question 5 1 Marks

What is the formula used to find flat width of a buttress thread?

A

Pitch/2

B

Pitch/4

C

Pitch/6

D

Pitch/8

Question 6 1 Marks

What is the width of the tool to cut a square thread of 60 x 9 mm pitch?

A

4.5 mm

B

9.5 mm

C

9 mm

D

8.5 mm

Question 7 1 Marks

What is the reason for using dial indicator instead of scriber point in Vernier height gauge?

A

To check eccentricity

B

For accurate marking

C

For accurate measuring

D

For good appearance

Question 8 1 Marks

Calculate the change gear required to cut 4mm pitch thread in a lathe having lead screw of 4mm (lathe stud gear (driver has 50 teeth)

A

25

B

50

C

100

D

150

Question 9 1 Marks

What is the disadvantage of chaser?

A

To cut V-thread only

B

To cut square thread only

C

To cut knuckle thread only

D

To cut trapezoid thread only

Question 10 1 Marks

How the thread are formed in thread rolling?

A

Grinding

B

Casting

C

Plastic deformation

D

Milling

Question 11 1 Marks

Which is the method to produce accurate
internal thread?

A

Thread chasers

B

Thread rolling

C

Thread milling

D

Using dies

Question 12 1 Marks

Which method is non metallic threads are produced?

A

Thread milling

B

Thread casting

C

Thread grinding

D

Thread chasing

Question 13 1 Marks

Why the ball centre is preferred in tail stock offset method?

A

For good surface finish

B

For accurate setting

C

For provide power feed

D

To avoid damage to the centre drilled hole of the job

Question 14 1 Marks

Which carrier with V-groove provided and used to hold small diameter and square sections?

A

Bent tail

B

Clamp type

C

Straight tail

D

Safety clamp type

Question 15 1 Marks

Calculate the flat width of 10 mm pitch buttress thread?

A

1.25 mm

B

2.25 mm

C

3.25 mm

D

4.25 mm

Question 16 1 Marks

Which is the angle of inclination in the thread to the imaginary perpendicular line?

A

Acute angle

B

Right angle

C

Helix angle

D

Obtuse angle

Question 17 1 Marks

Which mandrels is NOT used in between lathe centres?

A

Cone mandrels

B

Gang mandrels

C

Stepped mandrels

D

Taper Shank mandrels

Question 18 1 Marks

Which one is the disadvantage of using tail stock offset method?

A

Only hand feed can be given

B

External threads on taper can't produce

C

Taper length is limited

D

Taper turning is possible when work held between centre only

Question 19 1 Marks

Find the gear required to cut 3 mm pitch in a lathe having a lead screw of 6 TPI gear available from 20 to 120 teeth by 5 teeth with a special gear of 127 teeth?

A

Driver 90 teeth Driven 127 teeth

B

Driver 60 teeth Driven 20 teeth

C

Driver 127 teeth Driven 90 teeth

D

Driver 20 teeth Driven 60 teeth

Question 20 1 Marks

What is thread element that determine the direction of rotation on screw thread?

A

Pitch of thread

B

Lead of thread

C

Depth of thread

D

Hand of thread

Question 21 1 Marks

How metric chasing dial differ from British chasing dial?

A

Same as British chasing dial

B

One worm wheel and different dial

C

One worm wheel and one dial

D

More than one worm wheel and different dial

Question 22 1 Marks

Which instrument can measure angle upto an accuracy of 5 minutes?

A

Bevel gauge

B

Combination set

C

Vernier bevel protractor

D

Angle gauge

Question 23 1 Marks

What is the core dia of square thread 75 x 11 mm pitch?

A

70 mm

B

60 mm

C

64 mm

D

65.8 mm

Question 24 1 Marks

Which part of the combination set is used
for measuring the angles?

A

Protractor head

B

Square head

C

Centre head

D

Rule

Question 25 1 Marks

What is the thread depth of square thread SQ60x9?

A