Electrical Measurement (EMFD)

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

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

List six factors considered when planning for maintenance of electrical machines ina factory. (6 marks)June/July 2020

State six possible faults for a fluorescent lamp failing to start and ends glow dull and reddish.(6 marks)June/July 2020

State five safe working conditions to be observed during maintenance. (5 marks)June/July 2020

Distinguish between preventive maintenance and breakdown maintenance.(4 marks)June/July 2020

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

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

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