
Concept explainers
(a)
Angle of rotation R.

Answer to Problem 1AR
The angle of rotation is
Explanation of Solution
Given:
Three view of compound-angular hole are shown below:
Concept used:
Expression for the angle of rotation is given below:
Here, angle of the font view from the vertical axis is
Calculation:
Angle of the front view from the vertical axis is calculated as follows:
From the above figure,
Angle of the right-side view from the vertical axis is calculated as follows:
From the above figure,
Substitute
Thus, the angle of rotation is
Conclusion:
The angle of rotation is
(b)
Angle of tiltT.

Answer to Problem 1AR
The angle of tilt is
Explanation of Solution
Given:
Three view of compound-angular hole are shown below:
Concept used:
Expression for the angle of tilt is given below:
Here, angle of the font view from the vertical axis is
Calculation:
Substitute
Thus, the angle of tilt is
Conclusion:
The angle of tilt is
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Chapter 80 Solutions
Mathematics For Machine Technology
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