Engineering materials 1

What is represented by the symbol shown in the image?

• Electrical resistance

• Angle of projection

• Diameter of a circle

• Center line of a drawing

What is represented by the symbol commonly used in the UK and Europe for engineering drawings?

• Third Angle Projection

• First Angle Projection

• Orthographic Projection

• Isometric Projection

What do surface texture symbols represent in engineering drawings?

• The size of a surface

• The quality of finish of a surface

• The color of a surface

• The temperature of a surface

What does the symbol with a check mark inside a triangle represent in machining symbols?

• Material removal is required

• Surface produced by any method of machining

• Material removal prohibited

• None of the above

What does the symbol with a check mark and a line through it inside a triangle represent in machining symbols?

• Material removal is required

• Surface produced by any method of machining

• Material removal prohibited

• None of the above

What does the symbol with a check mark and a circle around it inside a triangle represent in machining symbols?

• Material removal is required

• Surface produced by any method of machining

• Material removal prohibited

• None of the above

What do welding symbols provide that allows a welder to complete the required joint?

• Electrical current settings

• Personal information of the welder

• Size, shape, and position information

• Types of materials to be welded

What do welding symbols provide that is essential for a welder to complete a joint?

• The type of material to be used

• The cost estimation for the welding process

• The size, shape, and position information

• The safety procedures to be followed during welding

Refer to the diagram to answer: What does the notation "7 x 100 x (150) x 100" represent in the context of welding symbols?

• The sequence of welding operations

• The dimensions of the materials to be welded

• The specifications for weld length and number of welds

• The temperature settings for the welding process

What does the term "Ra" refer to in machining symbols?

• Radius of the tool used for machining

• Rotational speed of the machining equipment

• Roughness average of the surface finish

• Rate of acceleration during machining