Lesson 3 (Milling)

The geometrical tolerance symbol for ‘flatness’ is

• 
• 
• 
• 

The geometrical tolerance symbol for ‘straightness’ is

• 
• 
• 
• 

The geometrical tolerance symbol for ‘symmetry’ is

• 
• 
• 
• 

The geometrical tolerance symbol for ‘parallelism’ is

• 
• 
• 
• 

The geometrical symbol represents

• flatness

• roundness

• straightness

• perpendicularity

The geometrical symbol represents

• flatness

• roundness

• concentricity

• through hole

The geometrical symbol represents

• flatness

• roundness

• concentricity

• through hole

The letter in the 3^rd box represents

• datum.

• finished surface.

• no machining area.

• special finishing required.

The letter in the 2nd box represents

• offset value.

• tolerance value.

• minimum value.

• maximum value.

What is the basic size of the given dimension?

• 74.01 mm

• 74.99 mm

• 75.00 mm

• 75.01 mm