ELECTRICIAN- Wires, Joints, Soldering, Underground Cables MCQ

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.

ITI Electrician 

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 Amp16 Amp26 Amp39 Amp

What is the possible range to measure the size of the wire in a Standard Wire Gauge (SWG)?0-440-420-380-36

What is the name of the wire joint?

Aerial tap jointKnotted tap jointDuplex cross tap jointDouble cross tap joint

Which type of soldering flux is used for soldering galvanised iron?RosinZinc chlorideSal ammoniaHydrochloric acid

Which method of soldering is used for quantity production and for tinning work?Dip solderingSoldering with a flameSoldering with soldering ironSoldering with soldering gun

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

BeddingArmouringLead sheathPaper insulation

What is the full form of XLPE Cable?Cross Line PolyEthyleneX ess Line Phase EarthingCross Linked PolyEthyleneExcess Length Paper and Ebonite

What is the purpose of 'serving' layers in underground cable?Protect the cable from moistureProtect the cable from mechanical injuryProtect metallic sheath against corrosionProtect armouring from atmospheric condition

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

Close circuit faultShort circuit faultOpen circuit faultWeak insulation fault

How many electrons are there in the valence shell of a copper atom?12818

What is the effect of electric current on neon lamp?Heating effectMagnetic effectChemical effectGas ionization effect

What is the unit of insulation resistance?OhmKilo OhmMilliohmMega Ohm

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

Which type of joint is used for extending the length of conductor in overhead lines?Scarfed jointAerial tap jointBritannia “T” jointWestern Union joint

Which type of soldering flux is used for soldering aluminium conductors?TallowKer-al-liteZinc chlorideSal ammoniac rosin

Which method of cable laying is suitable for congested areas?Racks in airDuct pipesAlong buildingsDirect in ground

Which part of the underground cable is protecting the metallic sheath against corrosion?ServingBeddingArmouringLead sheath

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

What is the use of Britannia T joint?Extending the length of the linesInside and outside wiring installationMechanical stress not required on conductorTapping the service connection from overhead lines

What is the name of the joint?

Married jointScarfed jointWestern union jointBritannia straight joint

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

Jute fillingArmouringLead sheathPaper insulation

What is the name of the tool?

Cutting plierWire stripperCrimping toolSide cutting plier

Which method of soldering is used for repairing the vehicle body?Dip solderingSoldering with flameSoldering with soldering ironSoldering with soldering gun

What is the current capacity of the 16 Amp. Cable, if it is protected by coarse excess current protection?11 A13 A15 A18 A

What is the unit for Quantity of electricity?CoulombVolt/secondAmpere/secondEMF

What is the name of the soldering method?Dip solderingSoldering ironSoldering gunSoldering with flame

Which conductors are used for distribution lines?Insulated conductorsInsulated solid conductorsBare conductorsTwo core cable

What happens to the voltmeter if it is connected as an ammeter?Low readingNo deflectionMeter burns outOvershoot deflection