KNEC Craft Certificate in Electrical and Electronics Engineering(Power Option) Module II : Industrial Machines and Control Past Paper July 2019 Answers

Answers for Craft Certificate in Electrical and Electronics Engineering(Power Option) Module II : Industrial Machines and Control Past Paper July 2019

Course Name:  Electrical and Electronics Engineering
Also Done By:
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Course Level:  Craft Certificate
Sub Level:       Module II
Course Unit:   Industrial Machines and Control
Exam body:    KNEC
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1. State the function of each of the following in a d.c machine: (iii) Stator; (iv) Rotor. ()
2. Explain the need for motor enclosures ()
3. Name two types of motor enclosures ()
4. Outline the sequence of lining up a belt-drive between two machines ()
5. Draw a labeled diagram of a three-stud d.c plate starter ()
6. Explain the function of: (I) Thermal Overload Coil (II) No-Volt Release Coil ()
7. Compare induction to synchronous motor with regard to the factors indicated in table below ()
8. Draw a labeled diagram of a pony motor method starting a three phase synchronous motor ()
9. Explain the procedure of reversing a three phase motor rotation ()
10. State two methods of speed control for a three phase induction motor ()
11. State three tests carried out on a motor control panel upon installation ()
12. List two outputs devices used in programmable logic controllers (PLC). ()
13. State the four stages of operation of a PLC ()
14. State the meaning of the following symbol used in PLC ladder programming ()
15. Draw a labeled Torque versus armature (curve) characteristics for a d.c series motor ()
16. State two applications of the shaded pole single phase induction motor ()
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