Question 1

A radial arm cam essentially changes rotary motion into either up-and-down motion, or rocking action.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following is not true regarding cam motion?

Accepted Answer

A) With uniform velocity, there is a very rough stop and start. 
B) Harmonic motion is very smooth, but the speed is not uniform. 
C)  Harmonic motion is very smooth, the speed is uniform. 
D)  Uniform acceleration is the smoothest motion. 
A) With uniform velocity, there is a very rough stop and start. 
B) Harmonic motion is very smooth, but the speed is not uniform. 
C)  Harmonic motion is very smooth, the speed is uniform. 
D)  Uniform acceleration is the smoothest motion.

Question 3

Dwell is the period of time during which the follower moves.

Accepted Answer

A) True 
 B)False

Question 4

The two major kinds of cams used in industry are radial arm and parallel.

Accepted Answer

A) True 
 B)False

Question 5

The time it takes for the cam to move the follower to the designed height is known as the:

Accepted Answer

A) time radius 
B) ime interval 
C)  time period 
D)  time increment 
A) time radius 
B) ime interval 
C)  time period 
D)  time increment

Question 6

The length of a displacement diagram represents one complete revolution of the cam.

Accepted Answer

A) True 
 B)False

Question 7

A displacement diagram shows the:

Accepted Answer

A) required motion of the cam 
B) change in vertical distance of the follower 
C)  layout for a pattern development of the cam 
D)  distances from the shaft center to the shapes on the cam 
A) required motion of the cam 
B) change in vertical distance of the follower 
C)  layout for a pattern development of the cam 
D)  distances from the shaft center to the shapes on the cam

Question 8

Which of the following is not true regarding the design and layout of the cam displacement diagram?

Accepted Answer

A) The bottom line of the displacement diagram is the baseline. 
B) All dimensions should be measured up from the baseline. 
C)  The length of the displacement diagram is usually drawn equal in length to the circumference of the working circle. 
D)  A displacement diagram is a designed layout that measures the applied load. 
A) The bottom line of the displacement diagram is the baseline. 
B) All dimensions should be measured up from the baseline. 
C)  The length of the displacement diagram is usually drawn equal in length to the circumference of the working circle. 
D)  A displacement diagram is a designed layout that measures the applied load.

Question 9

The part of the cam system that moves in an up and down motion is called the:

Accepted Answer

A) cam 
B) follower 
C)  shaft 
D)  roller bearing 
A) cam 
B) follower 
C)  shaft 
D)  roller bearing

Question 10

The working circle is also known as the:

Accepted Answer

A) diameter 
B) height 
C)  radius 
D)  circumference 
A) diameter 
B) height 
C)  radius 
D)  circumference

Question 11

A working circle is equal to 360 degrees.

Accepted Answer

A) True 
 B)False

Question 12

The cam follower should be slightly offset from the center of the cam to allow for abrupt changes in motion.

Accepted Answer

A) True 
 B)False

Question 13

The length of the baseline is equal to the:

Accepted Answer

A) height times the radius 
B) working circle circumference 
C)  diameter of the cam at the largest point 
D)  circumference of the shaft 
A) height times the radius 
B) working circle circumference 
C)  diameter of the cam at the largest point 
D)  circumference of the shaft

Question 14

On a radial arm cam, the follower is perpendicular to the cam shaft.

Accepted Answer

A) True 
 B)False

Question 15

The time in which the follower does not move is referred to as the:

Accepted Answer

A) harmonic motion 
B) base circle 
C)  roller stretchout 
D)  dwell 
A) harmonic motion 
B) base circle 
C)  roller stretchout 
D)  dwell

A radial arm cam essentially changes rotary motion into either up-and-down motion, or rocking action.

Which of the following is not true regarding cam motion?

Dwell is the period of time during which the follower moves.

The two major kinds of cams used in industry are radial arm and parallel.

The time it takes for the cam to move the follower to the designed height is known as the:

The length of a displacement diagram represents one complete revolution of the cam.

A displacement diagram shows the:

Which of the following is not true regarding the design and layout of the cam displacement diagram?

The part of the cam system that moves in an up and down motion is called the:

The working circle is also known as the:

A working circle is equal to 360 degrees.

The cam follower should be slightly offset from the center of the cam to allow for abrupt changes in motion.

The length of the baseline is equal to the:

On a radial arm cam, the follower is perpendicular to the cam shaft.

The time in which the follower does not move is referred to as the:

Introduction

Employability Skills for Drafting and Design Technicians

Drafting Tools: Conventional, Cad, and Solid Modeling

Sketching and Lettering for Engineering Communication

Geometric Construction

Spatial Visualization and Multiview Drawings

Dimensioning and Notation

Sectional Views

Auxiliary Views

Descriptive Geometry

Patterns and Developments

Solid 3D Modeling: Computational Design and Analysis

Geometric Dimensioning and Tolerancing

Fasteners

Springs

Gears

Assembly and Detail Drawings for Design

Pictorial Drawings

Welding

Modern Manufacturing: Materials, Processes, and Automation

The Design Process and Advanced Concepts

Filters

Exam 16: Cams

A radial arm cam essentially changes rotary motion into either up-and-down motion, or rocking action.

Which of the following is not true regarding cam motion?

Dwell is the period of time during which the follower moves.

The two major kinds of cams used in industry are radial arm and parallel.

The time it takes for the cam to move the follower to the designed height is known as the:

The length of a displacement diagram represents one complete revolution of the cam.

A displacement diagram shows the:

Which of the following is not true regarding the design and layout of the cam displacement diagram?

The part of the cam system that moves in an up and down motion is called the:

The working circle is also known as the:

A working circle is equal to 360 degrees.

The cam follower should be slightly offset from the center of the cam to allow for abrupt changes in motion.

The length of the baseline is equal to the:

On a radial arm cam, the follower is perpendicular to the cam shaft.

The time in which the follower does not move is referred to as the:

Introduction

Employability Skills for Drafting and Design Technicians

Drafting Tools: Conventional, Cad, and Solid Modeling

Sketching and Lettering for Engineering Communication

Geometric Construction

Spatial Visualization and Multiview Drawings

Dimensioning and Notation

Sectional Views

Auxiliary Views

Descriptive Geometry

Patterns and Developments

Solid 3D Modeling: Computational Design and Analysis

Geometric Dimensioning and Tolerancing

Fasteners

Springs

Gears

Assembly and Detail Drawings for Design

Pictorial Drawings

Welding

Modern Manufacturing: Materials, Processes, and Automation

The Design Process and Advanced Concepts

Filters