Electrical Measurement (EMFD)

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

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