Drawing automobile parts

The largest diameter of a straight external or internal screw thread is called:

• A. 

  Outside diameter

• B. 

  Major diameter

• C. 

  Inside diameter

• D. 

  Minor diameter

The smallest diameter of a straight external or internal screw thread is called the

• A. 

  Outside diameter

• B. 

  Major diameter

• C. 

  Inside diameter

• D. 

  Minor diameter

The distance from a point on one thread to a corresponding point on the next thread is called the

• A. 

  Lead

• B. 

  Pitch

• C. 

  crest

• D. 

  Root

The Thread angle of the Unified Screw Thread is

• A. 

  30 degree

• B. 

  45 degree

• C. 

  60 degree

• D. 

  90 degree

A 29-degree thread is

• A. 

  Unified National

• B. 

  ACME

• C. 

  Metric

• D. 

  Butress

A thread on the external surface of the cylinder is called

• A. 

  External thread

• B. 

  Internal thread

• C. 

  Bolt

• D. 

  Nut

A thread on the internal surface of the cylinder is called

• A. 

  External thread

• B. 

  Internal thread

• C. 

  Bolt

• D. 

  Nut

A thread on the internal surface of the cylinder is called

• A. 

  External thread

• B. 

  Internal thread

• C. 

  Bolt

• D. 

  Nut

The diameter of an imaginary cylinder passing through the thread at such points as to make the width of the thread and the width of the spaces between the thread are equal.

• A. 

  Outside diameter

• B. 

  Major diameter

• C. 

  Pitch diameter

• D. 

  Minor diameter

The top surface of the thread is called:

• A. 

  Pitch

• B. 

  Crest

• C. 

  Root

• D. 

  Flank