Prepare for your examinations with a set of multiple choice questions (MCQs) related to Wires, Joints, Soldering, Underground Cables for Electrician Trade. The questions are likely designed to test a user’s knowledge or understanding of electrical concepts and may be useful for exam preparation or self-assessment. The website may be a helpful resource for individuals studying to become electricians or seeking to improve their understanding of electrical principles.

WIRES, JOINTS, SOLDERING, UNDERGROUND CABLES

What is the current carrying capacity of 32 amp. rated cable, if it is protected by the rewirable fuse? 13 Amp 16 Amp 26 Amp 39 Amp

What is the possible range to measure the size of the wire in a Standard Wire Gauge (SWG)? 0-44 0-42 0-38 0-36

What is the name of the wire joint?

Aerial tap joint Knotted tap joint Duplex cross tap joint Double cross tap joint

Which type of soldering flux is used for soldering galvanised iron? Rosin Zinc chloride Sal ammonia Hydrochloric acid

Which method of soldering is used for quantity production and for tinning work? Dip soldering Soldering with a flame Soldering with soldering iron Soldering with soldering gun

What is the name of the part marked as ‘X’ in the underground (UG) cable?

Bedding Armouring Lead sheath Paper insulation

What is the full form of XLPE Cable? Cross Line PolyEthylene X ess Line Phase Earthing Cross Linked PolyEthylene Excess Length Paper and Ebonite

What is the purpose of 'serving' layers in underground cable? Protect the cable from moisture Protect the cable from mechanical injury Protect metallic sheath against corrosion Protect armouring from atmospheric condition

Which type of fault of U.G Cable can be located by this loop test?

Close circuit fault Short circuit fault Open circuit fault Weak insulation fault

How many electrons are there in the valence shell of a copper atom? 1 2 8 18

What is the effect of electric current on neon lamp? Heating effect Magnetic effect Chemical effect Gas ionization effect

What is the unit of insulation resistance? Ohm Kilo Ohm Milliohm Mega Ohm

Which electrical device is the coarse excess current protection? Cartridge fuses Rewirable fuses Miniature Circuit Breaker (MCB) High Rupturing Capacity (HRC) Fuses

Which type of joint is used for extending the length of conductor in overhead lines? Scarfed joint Aerial tap joint Britannia “T” joint Western Union joint

Which type of soldering flux is used for soldering aluminium conductors? Tallow Ker-al-lite Zinc chloride Sal ammoniac rosin

Which method of cable laying is suitable for congested areas? Racks in air Duct pipes Along buildings Direct in ground

Which part of the underground cable is protecting the metallic sheath against corrosion? Serving Bedding Armouring Lead sheath

What will happen to PVC insulation in cable carries excess current continuously for a long period? Voltage drop increases Voltage drop decreases Insulation resistance increases insulation resistance decreases

What is the use of Britannia T joint? Extending the length of the lines Inside and outside wiring installation Mechanical stress not required on conductor Tapping the service connection from overhead lines

What is the name of the joint?

Married joint Scarfed joint Western union joint Britannia straight joint

Name the part marked X of belted U.G cable.

Jute filling Armouring Lead sheath Paper insulation

What is the name of the tool?

Cutting plier Wire stripper Crimping tool Side cutting plier

Which method of soldering is used for repairing the vehicle body? Dip soldering Soldering with flame Soldering with soldering iron Soldering with soldering gun

What is the current capacity of the 16 Amp. Cable, if it is protected by coarse excess current protection? 11 A 13 A 15 A 18 A

What is the unit for Quantity of electricity? Coulomb Volt/second Ampere/second EMF

What is the name of the soldering method? Dip soldering Soldering iron Soldering gun Soldering with flame

Which conductors are used for distribution lines? Insulated conductors Insulated solid conductors Bare conductors Two core cable

What happens to the voltmeter if it is connected as an ammeter? Low reading No deflection Meter burns out Overshoot deflection

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