KNEC Diploma in Electrical and Electronics Engineering Module 1: Physical Science, Mechanical Science And Electrical Engineering Principles past paper november 2022 Answers

Answers for Diploma in Electrical and Electronics Engineering Module 1: Physical Science, Mechanical Science And Electrical Engineering Principles past paper november 2022

Course Name:  Electrical and Electronics Engineering
Also Done By:
Diploma in Electrical and Electronics Engineering Module 1
-Power Option
-Instrumentation Option
-Telecommunication Option
Course Level:  Diploma
Sub Level:       Module I
Course Unit:   Physical Science, Mechanical Science And Electrical Engineering Principles
Exam body:    KNEC
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1. Define each of the following with respect to radioactivity (i) half-life (ii) nuclear fission ()
2. State Hess’s law ()
3. State three properties of acid ()
4. Distinguish between ionic bonding and covalent ()
5. Draw a labeled diagram of an electromagnetic wave propagating in the Z-direction ()
6. Define the term specific heat capacity ()
7. State Pressure law of a gas ()
8. State Charles law of a gas ()
9. State two properties of X-rays ()
10. With the aid of a diagram, explain the principle of operation of Geiger Muller tube for detecting radiations ()
11. Define angular velocity ()
12. State Hooke’s law ()
13. State Newton’s second law of motion ()
14. State the first law of thermodynamics ()
15. Explain each of the following terms with reference to thermodynamics (i) Enthalpy (ii) Entropy.( ()
16. State Archimedes principle ()
17. With the aid of a diagram, explain the principle of operation of a bourdon tube gauge ()
18. Define each of the following i. Moment ii. torque ()
19. Distinguish between each of the following types of forces (i) Equilibrium and equilibrant (ii) Coplanar and concurrent. ()
20. Define the term electrolysis citing two areas of its application ()
21. State two merits of thermocouples ()
22. With the aid of a labeled diagram explain the operation of an attraction type moving iron instrument ()
23. State the superposition theorem ()
24. With the aid of labeled diagram, explain the hysteresis loop of magnetic material ()
25. With the aid of a diagram, explain the principle of operations of a single phase transformer ()
26. Define the term electric flux density citing its unit ()
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