This document contains a quiz on velocity analysis of a machine. It includes questions about the purpose of different parts of the machine like cam D and spring F. It also provides dimensions for links in the machine and asks to determine the velocity of slider B when the crank has turned 45 degrees using any method. The answer key provides that the velocity is 0.9 m/s. References for the problem are listed.

1. Quiz 2: Velocity Analysis
1. Case Study:
a. What is the purpose of the Cam D?
b. What is the purpose of C?
c. What is the purpose of A?
d. What is the purpose of the spring F?
e. What is the purpose of this machine?
2. The various links of mechanism is shown in the figure:
OA = 150 mm, AC = 600, CQ = QD = 145, CD = 125, BD = 500, OQ = 625
The crank rotates at 60 rpm in CCW direction; determine the velocity of the slider B when the crank has turned 45
degrees with the vertical. (Use any method). 20 pts

2. Answer Key:
VB = 0.9 m/s
Reference: Theory of Machines by SS Rattan © 2009, by Tata McGraw Hill Education Private Limited.
Reference: Mechanisms and Machine Theory by Ashok G. Ambekar © 2007 by Prentice Hall of India Private Limited, New Delhi