Electrical Cables Question & AnswersSeptember 2, 2021 By Wat Electrical Leave a Comment This article lists 100 Electrical Cables MCQs for engineering students. All the Electrical Cables Questions & Answers given below includes solution and link wherever possible to the relevant topic.Electrical cables are used to transfer electrical signals from one device to another device. Inside an electrical cable white powder is used to make the cables flexible, fireproof, and moisture resistant.The advantages of underground cables include longer life expectancy, reduced maintenance cost, service uninterrupted by the storms, conserve valuable land, reduced firefighting hazards, etc. 1). A cable with several conductors is known as _________ cableSingle-coreMulti-coreDouble-coreNone of the aboveHintA cable with several conductors is known as a multi-core cable 2). The insulations for electric cables are classified into ___________OneTwoThreeFourHintThe insulations for electric cables are classified into two types they are thermoset and thermoplastic insulations 3). A cable with a single conductor is known as ___________ cableSingle-coreMulti-coreDouble-coreNone of the aboveHintA cable with a single conductor is known as a single-core cable 4). Which one of the following conductors is flexible?Bare wireAluminum electricalFlexible copper wireAll of the aboveHintThe flexible copper wire conductor is flexible Read more about Conductors 5). An electric cable consists of ____________Outer sheathAuxiliary elementsElectric conductor and insulationAll of the aboveHintAn electric cable consists of the outer sheath, auxiliary elements, electric conductor, and insulation 6). Which one of the following is a medium voltage cable?RHZ1HEPRZ1MV-90All of the aboveHintThe RHZ1, HEPRZ1, MV-90 are the medium voltage cables 7). What is the standard form of VFD?Variable Frequency DriveVariable Frequency DeviceVirtual Frequency DriveNone of the aboveHintThe standard form of VFD is Variable Frequency Drive 8). Which one of the following cables is a type of power cable based on voltage?Low tension cablesSingle core cableArmoured cableNone of the aboveHintThe low tension cable is a type of power cable based on voltage 9). The low tension power cables transmits voltage up to ___________100V1000V200V500VHintThe low tension power cables transmits voltage up to1000V 10). Which one of the following cables is a type of networking cable?Optical fiberCoaxialBoth a and bNone of the aboveHintThe coaxial and optical fiber cables are the type of networking cables 11). What is the standard form of DVI?Digital Visual InterfaceDigital Virtual InterfaceDigital Variable InterfaceNone of the aboveHintThe standard form of DVI is Digital Visual Interface 12). What is the standard form of HDMI?High Digital Multimedia InterfaceHigh Device Multimedia InterfaceHigh Definition Multimedia InterfaceNone of the aboveHintThe standard form of HDMI is High Definition Multimedia Interface 13). The high tension lower cables transmits voltage up to ___________11KV1KV3KV6KVHintThe high tension lower cables transmit voltage up to 11KV 14). Which one of the following is a communication cable?BroadbandCoaxialPhone linesAll of the aboveHintThe broadband cables, coaxial cables, phone lines are a type of communication cables 15). What is the standard form of UTP?Shielded Twisted PairUnshielded Twisted PairUnshielded Twisted ProcessNone of the aboveHintThe standard form of UTP is Unshielded Twisted Pair 16). ___________ is a type of power based on the armouringUnarmoured cablesCore cableExtra high tension cableAll of the aboveHintAn unarmoured cable is a type of power cable based on the armouring 17). The super tension power cables transmits voltage from ______________22KV to 33KV1KV to 3KV10KV to 20KVNone of the aboveHintThe super tension power cables transmits voltage from 22KV to 33KV 18). The operating voltage of oil-filled cables is from _________22KV to 33KV1KV to 3KV66KV to 230KVNone of the aboveHintThe operating voltage of oil-filled cables is from 66KV to 230KV 19). The pressure cables are categorized into ____________OneTwoThreeFourHintThe pressure cables are categorized into two types they are gas pressure and oil-filled cables 20). What is the standard form of S.L cable?Separate LeadSimple LeadSingle LeadNone of the aboveHintThe standard form of S.L cable Separate Lead cable 21). The extra high tension power cables transmits voltage from ____________22KV to 33KV33KV to 66KV66KV to 230KVNone of the aboveHintThe extra high tension power cables transmit voltage from 33KV to 66KV 22). Which one of the following is screened cable?H-type cablesL-type cablesBoth a and bNone of the aboveHintThe H-type and L-type are screened cables 23). The operating voltage of screened cables are from ________22KV to 66KV33KV to 66KV66KV to 230KVNone of the aboveHintThe operating voltage of screened cables are from 22KV to 66KV 24). What is the standard form of DBC?Directly Buried CableDevice Buried CableDirectly Biased CableNone of the aboveHintThe standard form of DBC is Directly Buried Cable 25). What is the standard form of ACSR cable?Aluminum Conductor Steel ReinforcedArsenic Conductor Steel ReinforcedArsenate Conductor Steel ReinforcedNone of the aboveHintThe standard form of ACSR cable is Aluminum Conductor Steel ReinforcedElectrical Cables Important MCQ's 26). The operating voltage of belted cables are up to ______________22KV33KV66KVNone of the aboveHintThe operating voltage of belted cables are up to 22KV 27). Which one of the following is a flexible cable?Stranding in layerStranding in bundlesBoth a and bNone of the aboveHintThe stranding in layer and stranding in bundles both are flexible cables 28). How many insulated wires does three wires non-metallic sheathed cable has?OneTwoThreeFourHintThe three-wire non-metallic sheathed cable has three insulated wires 29). The direct buried cable used for _______________Power transmissionCommunicationBoth a and bNone of the aboveHintThe direct buried cable used for communication, power transmission, etc 30). The operating voltage of pressure cables are up to ______________From 22KV to 66KVUp to 33KVBeyond 66KVNone of the aboveHintThe operating voltage of pressure cables are beyond 66KV 31). What is the standard form of AAAC cable?All Aluminum Alloy ConductorAlloy Arsenic ConductorAll Arsenate ConductorNone of the aboveHintThe standard form of AAAC cable is All Aluminum Alloy Conductor 32). The unshielded twisted pair consists of __________ pairs of color-coded wires twisted around each otherOneTwoThreeFourHintThe unshielded twisted pair consists of four pairs of color-coded wires twisted around each other 33). Which one of the following cables is a twisted pair cable that is used in LAN?Straight cableCrossover cableBoth a and bNone of the aboveHintThe straight and crossover cables are twisted pair cables that are used in LAN 34). What is the standard form of AAC cable?All Aluminum ConductorAlloy Arsenic ConductorAll Arsenate ConductorNone of the aboveHintThe standard form of AAC cable is All Aluminum Conductor 35). The PUR sheathed cables are ___________DurableHighly flexibleNot flexibleBoth a and bHintThe PUR sheathed cables are durable and flexible 36). The PVC cables are _____________SolidEconomicalBoth a and bNone of the aboveHintThe PVC cables are solid and economical 37). What is the standard form of ABC cable?Aluminum Bundled ConductorArsenic Bundled ConductorAerial Bundled ConductorNone of the aboveHintThe standard form of ABC cable is Aerial Bundled Conductor 38). What is the standard form of CR?Chloroprene RubberChlorosulphonated Polyethylene RubberChlorosulphur RubberNone of the aboveHintThe standard form of CR is Chloroprene Rubber 39). The purpose of an electric cable is to transport an ____________ energy from one to another pointElectricalMechanicalBoth a and bNone of the aboveHintThe purpose of an electric cable is to transport electrical energy from one to another point 40). What is the standard form of PVC?Polyvinyl ChloridePolyvinyl ConductorPolyethylene ChlorideNone of the aboveHintThe standard form of PVC is Polyvinyl Chloride 41). The color of the neutral in a three core flexible cable is _________RedYellowBlueNone of the aboveHintThe color of the neutral in a three core flexible cable is blue 42). What is the standard form of CSP rubber?Chloroprene Sulphur PhosphorousChlorosulphonated Polyethylene RubberChlorosulphur RubberNone of the aboveHintThe standard form of CSP is Chlorosulphonated Polyethylene Rubber 43). The voltage stress in a cable is at _____________ of the conductorCoreSurfaceBoth a and bNone of the aboveHintThe voltage stress in a cable is at the core of the conductor 44). ____________ are the examples of electric cablesFlexible and filled cablesCoaxialDiode and transistorBoth a and bHintThe flexible and filled, coaxial cables are examples of electric cables 45). What is the standard form of STP?Shielded Twisted PairShielded Twisted ProcessSimple Twisted PairNone of the aboveHintThe standard form of STP is Shielded Twisted Pair 46). What is the standard form of EPR?Ethylene Propylene RubberEthylene Phosphorous RubberEthylene RubberNone of the aboveHintThe standard form of EPR is Ethylene Propylene Rubber 47). The advantages of shielded twisted pair cables are ____________Installation is easyHas a higher capacityBoth a and bNone of the aboveHintThe advantages of shielded twisted pair cables are installation is easy, and it has a higher capacity 48). The shielded twisted pair cable used in ____________Industrial applicationsResearch applicationsBoth a and bNone of the aboveHintThe shielded twisted pair cable used in industrial, research applications, so on 49). The advantages of unshielded twisted pair cables are ____________CheapUsed in computer networkingBoth a and bNone of the aboveHintThe advantages of unshielded twisted pair cables are they are cheap and used in computer networking 50). What is the standard form of SBR?Styrene Butadiene RubberSulphide Butadiene RubberSulphur Butadiene RubberNone of the aboveHintThe standard form of SBR is Styrene Butadiene RubberElectrical Cables MCQ's with Hints 51). How many parts does an optical fiber have?OneTwoThreeFourHintAn optical fiber has three parts they are core, cladding, and casing 52). Based on the signal transmission the coaxial cables are categorized into ________OneTwoThreeFourHintBased on the signal transmission the coaxial cables are categorized into two types they are broadband and baseband cables 53). The broadband cable used up to ________10KM30KM60KM100KMHintThe broadband cable used up to 100KM 54). The coaxial cable used for ________ data transmissionAnalogDigitalBoth a and bNone of the aboveHintThe coaxial cable used for both analog and digital data transmission 55). The grounding of cable is not required in ___________UTPSTPBoth a and bNone of the aboveHintThe grounding of cable is not required in unshielded twisted pair cables 56). Which one of the following supports higher-speed data?UTPSTPBoth a and bNone of the aboveHintThe unshielded twisted pair cables support higher-speed data 57). Which one of the following is cheaper?UTPSTPBoth a and bNone of the aboveHintThe unshielded twisted pair cables are cheaper than shielded twisted pair cables 58). The coaxial cables used for ______________EthernetBroadband internetCable TVAll of the aboveHintThe coaxial cables used for Ethernet, broadband internet, cable Tv, etc 59). Which one of the following twisted pairs is less prone to noise and interference?ShieldedUnshieldedBoth a and bNone of the aboveHintThe shielded twisted pair is less prone to noise and interference 60). In which one of the following cables the security is high?Fiber optic cablesCoaxial cablesShield twisted-pairAll of the aboveHintIn fiber optic cables the security is high compare to coaxial and STP cables 61). The bend radius of unshielded twisted pair cables is ________90 degrees/feet180 degrees/feet360 degrees/feetNone of the aboveHintThe bend radius of unshielded twisted pair cables is 360 degrees/feet 62). The bandwidth of unshielded twisted pair is ____________10 Mbps – 50Mbps10 Mbps – 90Mbps10 Mbps – 100MbpsNone of the aboveHintThe bandwidth of unshielded twisted pair is 10 Mbps – 100Mbps 63). In which one of the following the interference rating is very good?Fiber optic cablesCoaxial cablesShield twisted-pairAll of the aboveHintIn optic cables the interference rating is very good 64). The bend radius of unshielded twisted pair cables is ________90 degrees/feet180 degrees/feet30 degrees/feet or 360 degrees/feetNone of the aboveHintThe bend radius of unshielded twisted pair cables is 30 degrees/feet or 360 degrees/feet 65). The bandwidth of unshielded twisted pair is ____________10 Mbps90Mbps100MbpsNone of the aboveHintThe bandwidth of unshielded twisted pair is 10 Mbps 66). The bend radius of fiber optic cables are ________90 degrees/feet180 degrees/feet30 degrees/feetNone of the aboveHintThe bend radius of fiber optic cables are 30 degrees/feet 67). Which one of the following cable costs is cheap?Coax thin wireCoax thick wireFiber optic cablesNone of the aboveHintThe coax thin wire cable cost is cheap compare to fiber and coax thick wire 68). The maximum segment length of RG 58 coaxial cable is ______________10 meters20 meters30 meters200 metersHintThe maximum segment length of RG 58 coaxial cable is 200 meters 69). The transmission speed of optical fiber cables is up to ___________1Mbps2Mbps1GbpsNone of the aboveHintThe transmission speed of optical fiber cables is up to 1Gbps 70). The bandwidth of shielded twisted pair cables is ___________10 Mbps – 50Mbps10 Mbps – 90Mbps10 Mbps – 100MbpsNone of the aboveHintThe bandwidth of shielded twisted pair cables is 10 Mbps – 100Mbps 71). The maximum segment length of RG 8 coaxial cable is ______________10 meters500 meters30 meters200 metersHintThe maximum segment length of RG 8 coaxial cable is 500 meters 72). The CAT5e shielded twisted pair cable operates at ____________350MHZ20MHZ30MHZ50MHZHintThe CAT5e shielded twisted pair cable operates at 350MHZ 73). In which one of the following cables the interference is good?Coax thin wireCoax thick wireFiber optic cablesNone of the aboveHintIn coax thin wire cable the interference is good when compared to coax thick wire 74). The CAT5e shielded twisted pair cable carries data up to ____________10Mbps50Mbps1000Mbps100MbpsHintThe CAT5e shielded twisted pair cable carries data up to 1000Mbps 75). The 15Ohm shielded type cable operates at _______1MHZ16MHZ100MHZ6MHZHintThe 15Ohm shielded type cable operates at 16MHZElectrical Cables MCQ's for Quiz 76). What is the standard form of MIC?Medium Interface ConnectorMedium Interface CommunicationMedium Interfere ConnectorNone of the aboveHintThe standard form of MIC is Medium Interface Connector 77). The maximum cable segment of unshielded twisted pair cable is _______________100 meters500 meters30 meters200 metersHintThe maximum cable segment of unshielded twisted pair cable is 100 meters 78). The radiofrequency technologies categorized into ___________OneTwoThreeFourHintThe radiofrequency technologies are categorized into two types they are single frequency radio technology and spread spectrum radio technology 79). The glass optical fibers are ____________ExpensiveDelicateDifficult to handleAll of the aboveHintThe glass optical fibers are expensive, delicate, and difficult to handle 80). Which one of the following cables has a very high bandwidth?Optical fiber cablesTwisted pairCoaxial cableNone of the aboveHintAn optical fiber cable has a very high bandwidth 81). The attenuation in optical fiber cables is ____________Very lowHighVery highNone of the aboveHintThe attenuation in optical fiber cables is very low 82). The noise immunity in twisted pair cable is __________LowHighVery highNone of the aboveHintThe noise immunity in twisted pair cable is low 83). The power loss in coaxial cable is due to ___________ConductionAbsorptionScatteringNone of the aboveHintThe power loss in coaxial cable is due to conduction 84). The power loss in twisted pair cable is due to ___________ConductionRadiationBoth a and bNone of the aboveHintThe power loss in twisted pair cable is due to radiation and conduction 85). The power loss in optical fiber cable is due to ___________BendingAbsorptionScatteringAll of the aboveHintThe power loss in optical fiber cable is due to bending, scattering, and absorption 86). The installation of optical fiber cables are ________EasyDifficultFairy easyVery hardHintThe installation of optical fiber cables are difficult 87). The diameter of the coaxial cable is ____________LargerMediumSmallerNone of the aboveHintThe diameter of the coaxial cable is larger 88). The maximum cable segment of shielded twisted pair cable is _______________100 meters500 meters30 meters200 metersHintThe maximum cable segment of shielded twisted pair cable is 100 meters 89). What is the prominent line parameter in overhead cables?ResistanceInductanceCapacitanceNone of the aboveHintThe prominent line parameter in overhead cables is inductance 90). What is the prominent line parameter in underground cables?ResistanceInductanceCapacitanceNone of the aboveHintThe prominent line parameter in underground cables is the capacitance 91). The system cost of overhead cables is __________HighLowVery lowBetterHintThe system cost of overhead cables is high compare to underground cables 92). The possibility of expansion in underground cables is ____________EasyDifficultFairy easyVery hardHintThe possibility of expansion in underground cables is difficult 93). In which one of the following cables the fault detection is easy?OverheadUndergroundBoth a and bNone of the aboveHintIn overhead cables the fault detection is easy 94). which one of the following cables is safer?OverheadUndergroundBoth a and bNone of the aboveHintThe underground cables are very safe compared to overhead cables 95). Which one of the following cables is a screened type cable?H-typeS.L typeBoth a and bNone of the aboveHintThe H-type and S.L. type cables both are screened type cables 96). Which one of the following cables is designed by M. Hochstetler?CoaxialTwisted pair cablesH-type cablesNone of the aboveHintThe H-type cable is designed by M. Hochstetler 97). What are the advantages of gas pressure cables?Maintenance cost is lessNo tanks or reservoirs are requiredBoth a and bNone of the aboveHintThe advantages of gas pressure cables are the maintenance cost is less and no tanks or reservoirs are required 98). What are the disadvantages of oil-filled cables?Cost is very highComplicate to maintenanceLong lengths are not possibleAll of the aboveHintThe disadvantages of oil-filled cables are the cost is very high, complicate to maintenance and long lengths are not possible 99). The maximum cable segment of coaxial cable is _______________100 meters2Km to 100Km30 meters200 metersHintThe maximum cable segment of coaxial cable is 2Km to 100Km 100). What are the advantages of oil-filled cables?Temperature range is highThermal resistance is lessBoth a and bNone of the aboveHintThe advantages of oil-filled cables are it has high-temperature rage and less thermal resistance Time is Up! Time's up
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