Electrical Cables Question & Answers September 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 Hint 2). The insulations for electric cables are classified into ___________ One Two Three Four Hint 3). A cable with a single conductor is known as ___________ cable Single-core Multi-core Double-core None of the above Hint 4). Which one of the following conductors is flexible? Bare wire Aluminum electrical Flexible copper wire All of the above Hint Read more about Conductors 5). An electric cable consists of ____________ Outer sheath Auxiliary elements Electric conductor and insulation All of the above Hint 6). Which one of the following is a medium voltage cable? RHZ1 HEPRZ1 MV-90 All of the above Hint 7). What is the standard form of VFD? Variable Frequency Drive Variable Frequency Device Virtual Frequency Drive None of the above Hint 8). 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 Hint 9). The low tension power cables transmits voltage up to ___________ 100V 1000V 200V 500V Hint 10). Which one of the following cables is a type of networking cable? Optical fiber Coaxial Both a and b None of the above Hint 11). What is the standard form of DVI? Digital Visual Interface Digital Virtual Interface Digital Variable Interface None of the above Hint 12). What is the standard form of HDMI? High Digital Multimedia Interface High Device Multimedia Interface High Definition Multimedia Interface None of the above Hint 13). The high tension lower cables transmits voltage up to ___________ 11KV 1KV 3KV 6KV Hint 14). Which one of the following is a communication cable? Broadband Coaxial Phone lines All of the above Hint 15). What is the standard form of UTP? Shielded Twisted Pair Unshielded Twisted Pair Unshielded Twisted Process None of the above Hint 16). ___________ is a type of power based on the armouring Unarmoured cables Core cable Extra high tension cable All of the above Hint 17). The super tension power cables transmits voltage from ______________ 22KV to 33KV 1KV to 3KV 10KV to 20KV None of the above Hint 18). The operating voltage of oil-filled cables is from _________ 22KV to 33KV 1KV to 3KV 66KV to 230KV None of the above Hint 19). The pressure cables are categorized into ____________ One Two Three Four Hint 20). What is the standard form of S.L cable? Separate Lead Simple Lead Single Lead None of the above Hint 21). The extra high tension power cables transmits voltage from ____________ 22KV to 33KV 33KV to 66KV 66KV to 230KV None of the above Hint 22). Which one of the following is screened cable? H-type cables L-type cables Both a and b None of the above Hint 23). The operating voltage of screened cables are from ________ 22KV to 66KV 33KV to 66KV 66KV to 230KV None of the above Hint 24). What is the standard form of DBC? Directly Buried Cable Device Buried Cable Directly Biased Cable None of the above Hint 25). What is the standard form of ACSR cable? Aluminum Conductor Steel Reinforced Arsenic Conductor Steel Reinforced Arsenate Conductor Steel Reinforced None of the above Hint Electrical Cables Important MCQ's 26). The operating voltage of belted cables are up to ______________ 22KV 33KV 66KV None of the above Hint 27). Which one of the following is a flexible cable? Stranding in layer Stranding in bundles Both a and b None of the above Hint 28). How many insulated wires does three wires non-metallic sheathed cable has? One Two Three Four Hint 29). The direct buried cable used for _______________ Power transmission Communication Both a and b None of the above Hint 30). The operating voltage of pressure cables are up to ______________ From 22KV to 66KV Up to 33KV Beyond 66KV None of the above Hint 31). What is the standard form of AAAC cable? All Aluminum Alloy Conductor Alloy Arsenic Conductor All Arsenate Conductor None of the above Hint 32). The unshielded twisted pair consists of __________ pairs of color-coded wires twisted around each other One Two Three Four Hint 33). 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 Hint 34). What is the standard form of AAC cable? All Aluminum Conductor Alloy Arsenic Conductor All Arsenate Conductor None of the above Hint 35). The PUR sheathed cables are ___________ Durable Highly flexible Not flexible Both a and b Hint 36). The PVC cables are _____________ Solid Economical Both a and b None of the above Hint 37). What is the standard form of ABC cable? Aluminum Bundled Conductor Arsenic Bundled Conductor Aerial Bundled Conductor None of the above Hint 38). What is the standard form of CR? Chloroprene Rubber Chlorosulphonated Polyethylene Rubber Chlorosulphur Rubber None of the above Hint 39). 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 Hint 40). What is the standard form of PVC? Polyvinyl Chloride Polyvinyl Conductor Polyethylene Chloride None of the above Hint 41). The color of the neutral in a three core flexible cable is _________ Red Yellow Blue None of the above Hint 42). What is the standard form of CSP rubber? Chloroprene Sulphur Phosphorous Chlorosulphonated Polyethylene Rubber Chlorosulphur Rubber None of the above Hint 43). The voltage stress in a cable is at _____________ of the conductor Core Surface Both a and b None of the above Hint 44). ____________ are the examples of electric cables Flexible and filled cables Coaxial Diode and transistor Both a and b Hint 45). What is the standard form of STP? Shielded Twisted Pair Shielded Twisted Process Simple Twisted Pair None of the above Hint 46). What is the standard form of EPR? Ethylene Propylene Rubber Ethylene Phosphorous Rubber Ethylene Rubber None of the above Hint 47). The advantages of shielded twisted pair cables are ____________ Installation is easy Has a higher capacity Both a and b None of the above Hint 48). The shielded twisted pair cable used in ____________ Industrial applications Research applications Both a and b None of the above Hint 49). The advantages of unshielded twisted pair cables are ____________ Cheap Used in computer networking Both a and b None of the above Hint 50). What is the standard form of SBR? Styrene Butadiene Rubber Sulphide Butadiene Rubber Sulphur Butadiene Rubber None of the above Hint Electrical Cables MCQ's with Hints 51). How many parts does an optical fiber have? One Two Three Four Hint 52). Based on the signal transmission the coaxial cables are categorized into ________ One Two Three Four Hint 53). The broadband cable used up to ________ 10KM 30KM 60KM 100KM Hint 54). The coaxial cable used for ________ data transmission Analog Digital Both a and b None of the above Hint 55). The grounding of cable is not required in ___________ UTP STP Both a and b None of the above Hint 56). Which one of the following supports higher-speed data? UTP STP Both a and b None of the above Hint 57). Which one of the following is cheaper? UTP STP Both a and b None of the above Hint 58). The coaxial cables used for ______________ Ethernet Broadband internet Cable TV All of the above Hint 59). Which one of the following twisted pairs is less prone to noise and interference? Shielded Unshielded Both a and b None of the above Hint 60). In which one of the following cables the security is high? Fiber optic cables Coaxial cables Shield twisted-pair All of the above Hint 61). The bend radius of unshielded twisted pair cables is ________ 90 degrees/feet 180 degrees/feet 360 degrees/feet None of the above Hint 62). The bandwidth of unshielded twisted pair is ____________ 10 Mbps – 50Mbps 10 Mbps – 90Mbps 10 Mbps – 100Mbps None of the above Hint 63). In which one of the following the interference rating is very good? Fiber optic cables Coaxial cables Shield twisted-pair All of the above Hint 64). 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 Hint 65). The bandwidth of unshielded twisted pair is ____________ 10 Mbps 90Mbps 100Mbps None of the above Hint 66). The bend radius of fiber optic cables are ________ 90 degrees/feet 180 degrees/feet 30 degrees/feet None of the above Hint 67). Which one of the following cable costs is cheap? Coax thin wire Coax thick wire Fiber optic cables None of the above Hint 68). The maximum segment length of RG 58 coaxial cable is ______________ 10 meters 20 meters 30 meters 200 meters Hint 69). The transmission speed of optical fiber cables is up to ___________ 1Mbps 2Mbps 1Gbps None of the above Hint 70). The bandwidth of shielded twisted pair cables is ___________ 10 Mbps – 50Mbps 10 Mbps – 90Mbps 10 Mbps – 100Mbps None of the above Hint 71). The maximum segment length of RG 8 coaxial cable is ______________ 10 meters 500 meters 30 meters 200 meters Hint 72). The CAT5e shielded twisted pair cable operates at ____________ 350MHZ 20MHZ 30MHZ 50MHZ Hint 73). In which one of the following cables the interference is good? Coax thin wire Coax thick wire Fiber optic cables None of the above Hint 74). The CAT5e shielded twisted pair cable carries data up to ____________ 10Mbps 50Mbps 1000Mbps 100Mbps Hint 75). The 15Ohm shielded type cable operates at _______ 1MHZ 16MHZ 100MHZ 6MHZ Hint Electrical Cables MCQ's for Quiz 76). What is the standard form of MIC? Medium Interface Connector Medium Interface Communication Medium Interfere Connector None of the above Hint 77). The maximum cable segment of unshielded twisted pair cable is _______________ 100 meters 500 meters 30 meters 200 meters Hint 78). The radiofrequency technologies categorized into ___________ One Two Three Four Hint 79). The glass optical fibers are ____________ Expensive Delicate Difficult to handle All of the above Hint 80). Which one of the following cables has a very high bandwidth? Optical fiber cables Twisted pair Coaxial cable None of the above Hint 81). The attenuation in optical fiber cables is ____________ Very low High Very high None of the above Hint 82). The noise immunity in twisted pair cable is __________ Low High Very high None of the above Hint 83). The power loss in coaxial cable is due to ___________ Conduction Absorption Scattering None of the above Hint 84). The power loss in twisted pair cable is due to ___________ Conduction Radiation Both a and b None of the above Hint 85). The power loss in optical fiber cable is due to ___________ Bending Absorption Scattering All of the above Hint 86). The installation of optical fiber cables are ________ Easy Difficult Fairy easy Very hard Hint 87). The diameter of the coaxial cable is ____________ Larger Medium Smaller None of the above Hint 88). The maximum cable segment of shielded twisted pair cable is _______________ 100 meters 500 meters 30 meters 200 meters Hint 89). What is the prominent line parameter in overhead cables? Resistance Inductance Capacitance None of the above Hint 90). What is the prominent line parameter in underground cables? Resistance Inductance Capacitance None of the above Hint 91). The system cost of overhead cables is __________ High Low Very low Better Hint 92). The possibility of expansion in underground cables is ____________ Easy Difficult Fairy easy Very hard Hint 93). In which one of the following cables the fault detection is easy? Overhead Underground Both a and b None of the above Hint 94). which one of the following cables is safer? Overhead Underground Both a and b None of the above Hint 95). Which one of the following cables is a screened type cable? H-type S.L type Both a and b None of the above Hint 96). Which one of the following cables is designed by M. Hochstetler? Coaxial Twisted pair cables H-type cables None of the above Hint 97). 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 Hint 98). What are the disadvantages of oil-filled cables? Cost is very high Complicate to maintenance Long lengths are not possible All of the above Hint 99). The maximum cable segment of coaxial cable is _______________ 100 meters 2Km to 100Km 30 meters 200 meters Hint 100). What are the advantages of oil-filled cables? Temperature range is high Thermal resistance is less Both a and b None of the above Hint Time is Up! Time's up
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