Electrical Measurement (EMFD)

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

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

Outline six roles of electrical maintenance department. (6 marks)June/July 2020

state two effects of each of the following on the reliability of an equipment. i. high temperatures; ii. mechanical vibrations and shock

state any two ways of minimising the effect of environmental errors in measurements

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

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

list three merits of oscilloscopes when used in maintenance

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

describe how to test a coil using an ohmmeter