In: Mechanical Engineering
Q1/ Answer the following:
1. What is the main advantage of direct acting thermostats?
2. What is the purpose of using a capacitor in a two-phase reversible induction motor?
3. What does the controller circuit consist of?
4. what is the pressure equalizing connection and when it is used?
5. What does the damper loss coefficient depend upon?
Q2/ Answer the following:
1. What should the damper motor power overcome?
2. What is the function of the starting relay?
3. What are two techniques used for defrost purposes in automatic defrost refrigerator.
4. How is the cooling plate heater connected?
5. What is the function of the super switch in the domestic deep freezer?