Deck 16: Threads and Fasteners

Question 1

It is acceptable practice to use more than one type of thread representation on a drawing.

Answer 1

True

Question 2

Which of the following classes features the loosest threads?

A) 1A
B) 2A
C) 3A
D) 4A

Answer 2

A

Question 3

UNC stands for United National Coarse.

Answer 3

False

Question 4

A Woodruff key is ____ .

A) circular
B) rectangular
C) square
D) semi-circular

Question 5

The two basic types of fasteners are semi-permanent and ____________________.

Question 6

Schematic is the most highly detailed of the three types of thread representation.

Question 7

Set screws are usually used to ensure that things ____________________ together.

Question 8

The acronym ISO stands for ____.

A) International Standards Organization
B) Institutional Standards Organization
C) International Steel Operators
D) International Organization for Standardization

Question 9

A stud always has threads over its entire length.

Question 10

In a thread callout M10 X 1.5 X 25, the 25 represents the ____________________ of the thread.

Question 11

The abbreviation for hexagonal is ____.

A) HEX.
B) HXL
C) HEX
D) H

Question 12

In a thread callout M10 X 1.5 X 25, the M stands for _________________________.

Question 13

A tap is used to produce internal threads.

Question 14

The acronym ASME stands for ____.

A) Association for Standards in Mechanical Engineering
B) American Society of Mechanical Engineers
C) American Society of Manufacturing Engineers
D) Association for Standards in Manufacturing Engineering

Question 15

Unless designated otherwise, all threads are ____________________.