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 _________ cable Single-core Multi-core Double-core None of the above HintA cable with several conductors is known as a multi-core cable2). The insulations for electric cables are classified into ___________ One Two Three Four HintThe insulations for electric cables are classified into two types they are thermoset and thermoplastic insulations3). A cable with a single conductor is known as ___________ cable Single-core Multi-core Double-core None of the above HintA cable with a single conductor is known as a single-core cable4). Which one of the following conductors is flexible? Bare wire Aluminum electrical Flexible copper wire All of the above HintThe flexible copper wire conductor is flexible Read more about Conductors5). An electric cable consists of ____________ Outer sheath Auxiliary elements Electric conductor and insulation All of the above HintAn electric cable consists of the outer sheath, auxiliary elements, electric conductor, and insulation6). Which one of the following is a medium voltage cable? RHZ1 HEPRZ1 MV-90 All of the above HintThe RHZ1, HEPRZ1, MV-90 are the medium voltage cables7). What is the standard form of VFD? Variable Frequency Drive Variable Frequency Device Virtual Frequency Drive None of the above HintThe standard form of VFD is Variable Frequency Drive8). Which one of the following cables is a type of power cable based on voltage? Low tension cables Single core cable Armoured cable None of the above HintThe low tension cable is a type of power cable based on voltage9). The low tension power cables transmits voltage up to ___________ 100V 1000V 200V 500V HintThe low tension power cables transmits voltage up to1000V10). Which one of the following cables is a type of networking cable? Optical fiber Coaxial Both a and b None of the above HintThe coaxial and optical fiber cables are the type of networking cables11). What is the standard form of DVI? Digital Visual Interface Digital Virtual Interface Digital Variable Interface None of the above HintThe standard form of DVI is Digital Visual Interface12). What is the standard form of HDMI? High Digital Multimedia Interface High Device Multimedia Interface High Definition Multimedia Interface None of the above HintThe standard form of HDMI is High Definition Multimedia Interface13). The high tension lower cables transmits voltage up to ___________ 11KV 1KV 3KV 6KV HintThe high tension lower cables transmit voltage up to 11KV14). Which one of the following is a communication cable? Broadband Coaxial Phone lines All of the above HintThe broadband cables, coaxial cables, phone lines are a type of communication cables15). What is the standard form of UTP? Shielded Twisted Pair Unshielded Twisted Pair Unshielded Twisted Process None of the above HintThe standard form of UTP is Unshielded Twisted Pair16). ___________ is a type of power based on the armouring Unarmoured cables Core cable Extra high tension cable All of the above HintAn unarmoured cable is a type of power cable based on the armouring17). The super tension power cables transmits voltage from ______________ 22KV to 33KV 1KV to 3KV 10KV to 20KV None of the above HintThe super tension power cables transmits voltage from 22KV to 33KV18). The operating voltage of oil-filled cables is from _________ 22KV to 33KV 1KV to 3KV 66KV to 230KV None of the above HintThe operating voltage of oil-filled cables is from 66KV to 230KV19). The pressure cables are categorized into ____________ One Two Three Four HintThe pressure cables are categorized into two types they are gas pressure and oil-filled cables20). What is the standard form of S.L cable? Separate Lead Simple Lead Single Lead None of the above HintThe standard form of S.L cable Separate Lead cable21). The extra high tension power cables transmits voltage from ____________ 22KV to 33KV 33KV to 66KV 66KV to 230KV None of the above HintThe extra high tension power cables transmit voltage from 33KV to 66KV22). Which one of the following is screened cable? H-type cables L-type cables Both a and b None of the above HintThe H-type and L-type are screened cables23). The operating voltage of screened cables are from ________ 22KV to 66KV 33KV to 66KV 66KV to 230KV None of the above HintThe operating voltage of screened cables are from 22KV to 66KV24). What is the standard form of DBC? Directly Buried Cable Device Buried Cable Directly Biased Cable None of the above HintThe standard form of DBC is Directly Buried Cable25). What is the standard form of ACSR cable? Aluminum Conductor Steel Reinforced Arsenic Conductor Steel Reinforced Arsenate Conductor Steel Reinforced None of the above HintThe standard form of ACSR cable is Aluminum Conductor Steel ReinforcedElectrical Cables Important MCQ's 26). The operating voltage of belted cables are up to ______________ 22KV 33KV 66KV None of the above HintThe operating voltage of belted cables are up to 22KV27). Which one of the following is a flexible cable? Stranding in layer Stranding in bundles Both a and b None of the above HintThe stranding in layer and stranding in bundles both are flexible cables28). How many insulated wires does three wires non-metallic sheathed cable has? One Two Three Four HintThe three-wire non-metallic sheathed cable has three insulated wires29). The direct buried cable used for _______________ Power transmission Communication Both a and b None of the above HintThe direct buried cable used for communication, power transmission, etc30). The operating voltage of pressure cables are up to ______________ From 22KV to 66KV Up to 33KV Beyond 66KV None of the above HintThe operating voltage of pressure cables are beyond 66KV31). What is the standard form of AAAC cable? All Aluminum Alloy Conductor Alloy Arsenic Conductor All Arsenate Conductor None of the above HintThe 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 other One Two Three Four HintThe unshielded twisted pair consists of four pairs of color-coded wires twisted around each other33). Which one of the following cables is a twisted pair cable that is used in LAN? Straight cable Crossover cable Both a and b None of the above HintThe straight and crossover cables are twisted pair cables that are used in LAN34). What is the standard form of AAC cable? All Aluminum Conductor Alloy Arsenic Conductor All Arsenate Conductor None of the above HintThe standard form of AAC cable is All Aluminum Conductor 35). The PUR sheathed cables are ___________ Durable Highly flexible Not flexible Both a and b HintThe PUR sheathed cables are durable and flexible36). The PVC cables are _____________ Solid Economical Both a and b None of the above HintThe PVC cables are solid and economical37). What is the standard form of ABC cable? Aluminum Bundled Conductor Arsenic Bundled Conductor Aerial Bundled Conductor None of the above HintThe standard form of ABC cable is Aerial Bundled Conductor38). What is the standard form of CR? Chloroprene Rubber Chlorosulphonated Polyethylene Rubber Chlorosulphur Rubber None of the above HintThe standard form of CR is Chloroprene Rubber39). The purpose of an electric cable is to transport an ____________ energy from one to another point Electrical Mechanical Both a and b None of the above HintThe purpose of an electric cable is to transport electrical energy from one to another point40). What is the standard form of PVC? Polyvinyl Chloride Polyvinyl Conductor Polyethylene Chloride None of the above HintThe standard form of PVC is Polyvinyl Chloride41). The color of the neutral in a three core flexible cable is _________ Red Yellow Blue None of the above HintThe color of the neutral in a three core flexible cable is blue42). What is the standard form of CSP rubber? Chloroprene Sulphur Phosphorous Chlorosulphonated Polyethylene Rubber Chlorosulphur Rubber None of the above HintThe standard form of CSP is Chlorosulphonated Polyethylene Rubber43). The voltage stress in a cable is at _____________ of the conductor Core Surface Both a and b None of the above HintThe voltage stress in a cable is at the core of the conductor44). ____________ are the examples of electric cables Flexible and filled cables Coaxial Diode and transistor Both a and b HintThe flexible and filled, coaxial cables are examples of electric cables45). What is the standard form of STP? Shielded Twisted Pair Shielded Twisted Process Simple Twisted Pair None of the above HintThe standard form of STP is Shielded Twisted Pair46). What is the standard form of EPR? Ethylene Propylene Rubber Ethylene Phosphorous Rubber Ethylene Rubber None of the above HintThe standard form of EPR is Ethylene Propylene Rubber47). The advantages of shielded twisted pair cables are ____________ Installation is easy Has a higher capacity Both a and b None of the above HintThe advantages of shielded twisted pair cables are installation is easy, and it has a higher capacity48). The shielded twisted pair cable used in ____________ Industrial applications Research applications Both a and b None of the above HintThe shielded twisted pair cable used in industrial, research applications, so on49). The advantages of unshielded twisted pair cables are ____________ Cheap Used in computer networking Both a and b None of the above HintThe advantages of unshielded twisted pair cables are they are cheap and used in computer networking50). What is the standard form of SBR? Styrene Butadiene Rubber Sulphide Butadiene Rubber Sulphur Butadiene Rubber None of the above HintThe standard form of SBR is Styrene Butadiene RubberElectrical Cables MCQ's with Hints51). How many parts does an optical fiber have? One Two Three Four HintAn optical fiber has three parts they are core, cladding, and casing52). Based on the signal transmission the coaxial cables are categorized into ________ One Two Three Four HintBased on the signal transmission the coaxial cables are categorized into two types they are broadband and baseband cables53). The broadband cable used up to ________ 10KM 30KM 60KM 100KM HintThe broadband cable used up to 100KM54). The coaxial cable used for ________ data transmission Analog Digital Both a and b None of the above HintThe coaxial cable used for both analog and digital data transmission55). The grounding of cable is not required in ___________ UTP STP Both a and b None of the above HintThe grounding of cable is not required in unshielded twisted pair cables56). Which one of the following supports higher-speed data? UTP STP Both a and b None of the above HintThe unshielded twisted pair cables support higher-speed data57). Which one of the following is cheaper? UTP STP Both a and b None of the above HintThe unshielded twisted pair cables are cheaper than shielded twisted pair cables58). The coaxial cables used for ______________ Ethernet Broadband internet Cable TV All of the above HintThe coaxial cables used for Ethernet, broadband internet, cable Tv, etc59). Which one of the following twisted pairs is less prone to noise and interference? Shielded Unshielded Both a and b None of the above HintThe shielded twisted pair is less prone to noise and interference60). In which one of the following cables the security is high? Fiber optic cables Coaxial cables Shield twisted-pair All of the above HintIn fiber optic cables the security is high compare to coaxial and STP cables61). The bend radius of unshielded twisted pair cables is ________ 90 degrees/feet 180 degrees/feet 360 degrees/feet None of the above HintThe bend radius of unshielded twisted pair cables is 360 degrees/feet62). The bandwidth of unshielded twisted pair is ____________ 10 Mbps – 50Mbps 10 Mbps – 90Mbps 10 Mbps – 100Mbps None of the above HintThe bandwidth of unshielded twisted pair is 10 Mbps – 100Mbps63). In which one of the following the interference rating is very good? Fiber optic cables Coaxial cables Shield twisted-pair All of the above HintIn optic cables the interference rating is very good64). The bend radius of unshielded twisted pair cables is ________ 90 degrees/feet 180 degrees/feet 30 degrees/feet or 360 degrees/feet None of the above HintThe bend radius of unshielded twisted pair cables is 30 degrees/feet or 360 degrees/feet65). The bandwidth of unshielded twisted pair is ____________ 10 Mbps 90Mbps 100Mbps None of the above HintThe bandwidth of unshielded twisted pair is 10 Mbps66). The bend radius of fiber optic cables are ________ 90 degrees/feet 180 degrees/feet 30 degrees/feet None of the above HintThe bend radius of fiber optic cables are 30 degrees/feet 67). Which one of the following cable costs is cheap? Coax thin wire Coax thick wire Fiber optic cables None of the above HintThe coax thin wire cable cost is cheap compare to fiber and coax thick wire68). The maximum segment length of RG 58 coaxial cable is ______________ 10 meters 20 meters 30 meters 200 meters HintThe maximum segment length of RG 58 coaxial cable is 200 meters69). The transmission speed of optical fiber cables is up to ___________ 1Mbps 2Mbps 1Gbps None of the above HintThe transmission speed of optical fiber cables is up to 1Gbps70). The bandwidth of shielded twisted pair cables is ___________ 10 Mbps – 50Mbps 10 Mbps – 90Mbps 10 Mbps – 100Mbps None of the above HintThe bandwidth of shielded twisted pair cables is 10 Mbps – 100Mbps71). The maximum segment length of RG 8 coaxial cable is ______________ 10 meters 500 meters 30 meters 200 meters HintThe maximum segment length of RG 8 coaxial cable is 500 meters72). The CAT5e shielded twisted pair cable operates at ____________ 350MHZ 20MHZ 30MHZ 50MHZ HintThe CAT5e shielded twisted pair cable operates at 350MHZ73). In which one of the following cables the interference is good? Coax thin wire Coax thick wire Fiber optic cables None of the above HintIn coax thin wire cable the interference is good when compared to coax thick wire74). The CAT5e shielded twisted pair cable carries data up to ____________ 10Mbps 50Mbps 1000Mbps 100Mbps HintThe CAT5e shielded twisted pair cable carries data up to 1000Mbps75). The 15Ohm shielded type cable operates at _______ 1MHZ 16MHZ 100MHZ 6MHZ HintThe 15Ohm shielded type cable operates at 16MHZElectrical Cables MCQ's for Quiz76). What is the standard form of MIC? Medium Interface Connector Medium Interface Communication Medium Interfere Connector None of the above HintThe standard form of MIC is Medium Interface Connector77). The maximum cable segment of unshielded twisted pair cable is _______________ 100 meters 500 meters 30 meters 200 meters HintThe maximum cable segment of unshielded twisted pair cable is 100 meters78). The radiofrequency technologies categorized into ___________ One Two Three Four HintThe radiofrequency technologies are categorized into two types they are single frequency radio technology and spread spectrum radio technology79). The glass optical fibers are ____________ Expensive Delicate Difficult to handle All of the above HintThe glass optical fibers are expensive, delicate, and difficult to handle80). Which one of the following cables has a very high bandwidth? Optical fiber cables Twisted pair Coaxial cable None of the above HintAn optical fiber cable has a very high bandwidth81). The attenuation in optical fiber cables is ____________ Very low High Very high None of the above HintThe attenuation in optical fiber cables is very low82). The noise immunity in twisted pair cable is __________ Low High Very high None of the above HintThe noise immunity in twisted pair cable is low83). The power loss in coaxial cable is due to ___________ Conduction Absorption Scattering None of the above HintThe power loss in coaxial cable is due to conduction84). The power loss in twisted pair cable is due to ___________ Conduction Radiation Both a and b None of the above HintThe power loss in twisted pair cable is due to radiation and conduction85). The power loss in optical fiber cable is due to ___________ Bending Absorption Scattering All of the above HintThe power loss in optical fiber cable is due to bending, scattering, and absorption86). The installation of optical fiber cables are ________ Easy Difficult Fairy easy Very hard HintThe installation of optical fiber cables are difficult87). The diameter of the coaxial cable is ____________ Larger Medium Smaller None of the above HintThe diameter of the coaxial cable is larger88). The maximum cable segment of shielded twisted pair cable is _______________ 100 meters 500 meters 30 meters 200 meters HintThe maximum cable segment of shielded twisted pair cable is 100 meters89). What is the prominent line parameter in overhead cables? Resistance Inductance Capacitance None of the above HintThe prominent line parameter in overhead cables is inductance90). What is the prominent line parameter in underground cables? Resistance Inductance Capacitance None of the above HintThe prominent line parameter in underground cables is the capacitance91). The system cost of overhead cables is __________ High Low Very low Better HintThe system cost of overhead cables is high compare to underground cables92). The possibility of expansion in underground cables is ____________ Easy Difficult Fairy easy Very hard HintThe possibility of expansion in underground cables is difficult93). In which one of the following cables the fault detection is easy? Overhead Underground Both a and b None of the above HintIn overhead cables the fault detection is easy94). which one of the following cables is safer? Overhead Underground Both a and b None of the above HintThe underground cables are very safe compared to overhead cables95). Which one of the following cables is a screened type cable? H-type S.L type Both a and b None of the above HintThe H-type and S.L. type cables both are screened type cables96). Which one of the following cables is designed by M. Hochstetler? Coaxial Twisted pair cables H-type cables None of the above HintThe H-type cable is designed by M. Hochstetler97). What are the advantages of gas pressure cables? Maintenance cost is less No tanks or reservoirs are required Both a and b None of the above HintThe advantages of gas pressure cables are the maintenance cost is less and no tanks or reservoirs are required98). What are the disadvantages of oil-filled cables? Cost is very high Complicate to maintenance Long lengths are not possible All of the above HintThe disadvantages of oil-filled cables are the cost is very high, complicate to maintenance and long lengths are not possible99). The maximum cable segment of coaxial cable is _______________ 100 meters 2Km to 100Km 30 meters 200 meters HintThe maximum cable segment of coaxial cable is 2Km to 100Km100). What are the advantages of oil-filled cables? Temperature range is high Thermal resistance is less Both a and b None of the above HintThe 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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