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

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

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

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