Explain each of the following terms as used in cable size calculations: (i) ambient temperature; (ii) voltage drop. (4 marks)craft1 electrical June/July 2020
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(i) Define each of the following as used in simple machine: i. mechanical advantage; ii. velocity ration; iii. efficiency.(3 marks)craft1 electrical June/July 2020
A technician at a battery manufacturing plant has a liquid bottle labelled “inorganic. acid”. Outline four chemical methods used to verify the properties of the liquid. (4 marks)craft1 electrical June/July 2020
Outline the procedure of testing P-N junction diode for defects.(4 marks)craft1 electrical June/July 2020
Define the following terms as used in magnetism: (i) reluctance; (ii) hysteresis. (5 marks)craft1 electrical June/July 2020
two methods of reducing effect of noise to a person in a poisy workshop. (2 marks)craft1 electrical June/July 2020
Differentiate between N-type and P-type semiconductors.(4 marks)craft1 electrical June/July 2020
Define harmonic distortion with reference to audio amplifiers.(2 marks)craft1 electrical June/July 2020
State three methods of soldering cable joints.craft1 electrical June/July 2020
List two properties of primary cells: (2 marks)craft1 electrical June/July 2020