Layout

Question 1

Which part of the combination set would be used to find the center on the end of a shaft?

Answer 1

A center head rule

Question 2

What are the three(3) grades of accuracy that surface plates are manufactured in?

Answer 2

• Grade AA - laboratory
• Grade A - Inspection
• Grade B - Toolroom or shop grade

Question 3

What are the most common scribers used in layout?

Answer 3

• high speed steel knife edge scriber
• carbide edge knife scriber
• pocket scriber
• engineers scribe

Question 4

Precision layout with a vernier height gauge is accurate to?

Answer 4

.001 inch or .02mm

Question 5

Dividers are available in two types

Answer 5

• Firm Joint

* Spring type

Question 6

The most common used hammer for layout is?

Answer 6

Ball- peen hammer

Question 7

What is the most common used square for basic layout?

Answer 7

Combination square

Question 8

A prick punch has an included angles that ranges from?

Answer 8

30° to 60°

Question 9

A center punch has an included angle of?

Answer 9

90°

Question 10

What is the most common tool used for precision layout?

Answer 10

The height gauge

Question 11

What are hermaphrodite calipers used for?

Answer 11

to scribe lines parallel to an edge, and it can be used to find the centre of a shaft

note: accuracy may not be accurate

Question 12

List the hermaphrodite calipers

Answer 12

• Firm joint

* Lock joint with fine adjustment

Question 13

The accuracy of the layout will depend on?

Answer 13

How square and flat the edges of prepared work piece are made

Question 14

What is the safest oil to use when quenching oil hardening parts?

Answer 14

High flashpoint quenching oil

Question 15

What mixture can be applied to the surface of large size castings and hot rolled metals?

Answer 15

Lime and Alcohol

Question 16

On surfaces of hot rolled steel and castings to make layout more identifiable, you should use?

Answer 16

Chalk

Question 17

The mixture that can be use during layout on metals such as aluminum and copper ii?

Answer 17

Vermilion and shellac

Question 18

Copper sulphate should be used on?

Answer 18

Ferrous metals

Question 19

When angles are laid out with a bevel protractor, the attainable accuracy is?

Answer 19

0.5° (30 minutes)

Question 20

Before using a vernier height gauge it is important to?

Answer 20

To zero the vernier to the reference surface

Question 21

For maximum reliability when setting the dividers to a dimension on a steel rule?

Answer 21

You should set one point to the 1 inch graduation or the 10 mm mark of the rule

Question 22

If lines are scribed on to a work piece it is considered to be?

Answer 22

Temporary layout

Question 23

The grade of the surface plate which is used in the shop is?

Answer 23

B-Grade

Question 24

What is an acute angle?

Answer 24

Anything less than 90° of an angle

Question 25

When using basic semi-precision layout practices. all measurements for any location must be taken from?

Answer 25

Reference line or the finished edge