NABTEB

Explain the following maintenance terms. i. Predictive ii. Corrective iii. Preventive – NABTEB QUESTION

(i) Predictive:- Maintenance procedure based on record keeping and reading of testings. The intelligent use of records can often lead…

5 years ago

State two advantages of fiber – optic link compared with microwave links. – NABTEB QUESTION

(i) Fibre –Optic cable is not as heavy as copper conductors making it convenient for installation. (ii) Attenuation of light…

5 years ago

State the reason for using a co-axial cable for distribution system. – NABTEB QUESTION

Reasons for using a co-axial cable for distribution system are: (i) It is efficient. (ii) It has added advantages of…

5 years ago

State FOUR materials required for soldering electrical conductors. – NABTEB QUESTION

The materials required for soldering electrical materials are: (i) Solder. (ii) Flux. (iii) Wire Brush (iv) Solder Collector (v) Stove.Burning…

5 years ago

Explain the functions of the following in soldering operations: (i) Soldering. (ii) Soldering bit. – NABTEB QUESTION

(i) Soldering: The process of soldering in electrical work is generally used to make joints in conductors and to terminate…

5 years ago

State the TWO main types of joint methods with examples. – NABTEB QUESTION

The two main types of joint methods are:- (i) Heating method e.g. soldering, welding and brazing. (ii) Mechanical/pressure method e.g.…

5 years ago

State four types of electrical joints. – NABTEB QUESTION

Types of electrical joints are: (i) Scarf Joint. (ii) Bell hanger’s Joint. (iii) Tee – Twist joint. (iv) Through married…

5 years ago

Explain the function of a “micrometer” in cable jointing. – NABTEB QUESTION

A “Micrometer” is used to measure conductor diameters/gauging the correct size of wire.

5 years ago

State the procedure for the termination of MICC Cable. – NABTEB QUESTION

The procedure for the termination of MICC cable is as follows: (i) Slip glad nut compression ring (termed olive) and…

5 years ago

Explain briefly the following component parts of MICC Cable. (i) Conductors. (ii) Insulators. (iii) Outersheath. – NABTEB QUESTION

(i) Conductors: Each core consists of a single copper/aluminum metal and allows the passage of electricity. (ii) Insulator: The insulation…

5 years ago