Electrical Measurement (EMFD)

explain the function of the following tools when used for maintenance i. desoldering pump, ii. long nose pliers, iii. logic probe

State two causes and two remedies for each of the following D.C machines: (i) motor fails to start; (ii) motor mins too fast. (8 marks)June/July 2020

describe the following standards with respect with respect to measurements: i. secondary ii. working

list three merits of oscilloscopes when used in maintenance

Explain each of the following tests done on an electrical machine: (i) insulation resistance test: (ii)continuity test. (6 marks)June/July 2020

derive the dimensional equation of work done in MLT system of units

describe how to test a coil using an ohmmeter

define reliability with respect to engineering systems

outline the procedure of assessing the reliability of an equipment

Outline the precautions taken when handling a portable appliance during repair and maintenance. ad 6 marks )June/July 2020