Preparing for Isometric Drawing Quiz

What are the two common systems of measurement?

• Standard and Customary

• English and Metric

• Metric and Imperial

• Decimal and Binary

Which measurement system is used in the USA?

• Metric

• Imperial

• Customary

• Standard

Which measurement system uses numbers based on multiples of 10?

• Imperial

• Customary

• Standard

• Metric

Calculate the following: 125mm + 0.01mm

• 125.01cm

• 125.1cm

• 125.01mm

• 125.1mm

Calculate the maximum and minimum sizes of this toleranced dimension 78 ± 0.2

• Max 78.4 min 77.6

• Max 78.3 min 77.7

• Max 78.1 min 77.9

• Max 78.2 min 77.8

What is an alloy?

• A type of glass

• A pure metal

• A mixture of two or more metals

• A type of plastic

Why do we use tolerances on drawings?

• To save paper

• To make drawings look more complex

• To confuse engineers

• To show the maximum and minimum acceptable sizes for a component

What does this symbol show? Ø

• Radius

• Diameter

• Hole

• No Hole