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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
HintA cable with several conductors is known as a multi-core cable
2). The insulations for electric cables are classified into ___________
HintThe 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 ___________ cable
HintA cable with a single conductor is known as a single-core cable
4). Which one of the following conductors is flexible?
HintThe flexible copper wire conductor is flexible
Read more about Conductors
5). An electric cable consists of ____________
HintAn electric cable consists of the outer sheath, auxiliary elements, electric conductor, and insulation
6). Which one of the following is a medium voltage cable?
HintThe RHZ1, HEPRZ1, MV-90 are the medium voltage cables
7). What is the standard form of VFD?
HintThe standard form of VFD is Variable Frequency Drive
8). Which one of the following cables is a type of power cable based on voltage?
HintThe low tension cable is a type of power cable based on voltage
9). The low tension power cables transmits voltage up to ___________
HintThe low tension power cables transmits voltage up to1000V
10). Which one of the following cables is a type of networking cable?
HintThe coaxial and optical fiber cables are the type of networking cables
11). What is the standard form of DVI?
HintThe standard form of DVI is Digital Visual Interface
12). What is the standard form of HDMI?
HintThe standard form of HDMI is High Definition Multimedia Interface
13). The high tension lower cables transmits voltage up to ___________
HintThe high tension lower cables transmit voltage up to 11KV
14). Which one of the following is a communication cable?
HintThe broadband cables, coaxial cables, phone lines are a type of communication cables
15). What is the standard form of UTP?
HintThe standard form of UTP is Unshielded Twisted Pair
16). ___________ is a type of power based on the armouring
HintAn unarmoured cable is a type of power cable based on the armouring
17). The super tension power cables transmits voltage from ______________
HintThe super tension power cables transmits voltage from 22KV to 33KV
18). The operating voltage of oil-filled cables is from _________
HintThe operating voltage of oil-filled cables is from 66KV to 230KV
19). The pressure cables are categorized into ____________
HintThe 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?
HintThe standard form of S.L cable Separate Lead cable
21). The extra high tension power cables transmits voltage from ____________
HintThe extra high tension power cables transmit voltage from 33KV to 66KV
22). Which one of the following is screened cable?
HintThe H-type and L-type are screened cables
23). The operating voltage of screened cables are from ________
HintThe operating voltage of screened cables are from 22KV to 66KV
24). What is the standard form of DBC?
HintThe standard form of DBC is Directly Buried Cable
25). What is the standard form of ACSR cable?
HintThe standard form of ACSR cable is Aluminum Conductor Steel Reinforced

Electrical Cables Important MCQ's 

26). The operating voltage of belted cables are up to ______________
HintThe operating voltage of belted cables are up to 22KV
27). Which one of the following is a flexible cable?
HintThe stranding in layer and stranding in bundles both are flexible cables
28). How many insulated wires does three wires non-metallic sheathed cable has?
HintThe three-wire non-metallic sheathed cable has three insulated wires
29). The direct buried cable used for _______________
HintThe direct buried cable used for communication, power transmission, etc
30). The operating voltage of pressure cables are up to ______________
HintThe operating voltage of pressure cables are beyond 66KV
31). What is the standard form of AAAC cable?
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
HintThe 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?
HintThe straight and crossover cables are twisted pair cables that are used in LAN
34). What is the standard form of AAC cable?
HintThe standard form of AAC cable is All Aluminum Conductor
35). The PUR sheathed cables are ___________
HintThe PUR sheathed cables are durable and flexible
36). The PVC cables are _____________
HintThe PVC cables are solid and economical
37). What is the standard form of ABC cable?
HintThe standard form of ABC cable is Aerial Bundled Conductor
38). What is the standard form of CR?
HintThe standard form of CR is Chloroprene Rubber
39). The purpose of an electric cable is to transport an ____________ energy from one to another point
HintThe purpose of an electric cable is to transport electrical energy from one to another point
40). What is the standard form of PVC?
HintThe standard form of PVC is Polyvinyl Chloride
41). The color of the neutral in a three core flexible cable is _________
HintThe color of the neutral in a three core flexible cable is blue
42). What is the standard form of CSP rubber?
HintThe standard form of CSP is Chlorosulphonated Polyethylene Rubber
43). The voltage stress in a cable is at _____________ of the conductor
HintThe voltage stress in a cable is at the core of the conductor
44). ____________ are the examples of electric cables
HintThe flexible and filled, coaxial cables are examples of electric cables
45). What is the standard form of STP?
HintThe standard form of STP is Shielded Twisted Pair
46). What is the standard form of EPR?
HintThe standard form of EPR is Ethylene Propylene Rubber
47). The advantages of shielded twisted pair cables are ____________
HintThe advantages of shielded twisted pair cables are installation is easy, and it has a higher capacity
48). The shielded twisted pair cable used in ____________
HintThe shielded twisted pair cable used in industrial, research applications, so on
49). The advantages of unshielded twisted pair cables are ____________
HintThe advantages of unshielded twisted pair cables are they are cheap and used in computer networking
50). What is the standard form of SBR?
HintThe standard form of SBR is Styrene Butadiene Rubber

Electrical Cables MCQ's with Hints

51). How many parts does an optical fiber have?
HintAn optical fiber has three parts they are core, cladding, and casing
52). Based on the signal transmission the coaxial cables are categorized into ________
HintBased 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 ________
HintThe broadband cable used up to 100KM
54). The coaxial cable used for ________ data transmission
HintThe coaxial cable used for both analog and digital data transmission
55). The grounding of cable is not required in ___________
HintThe grounding of cable is not required in unshielded twisted pair cables
56). Which one of the following supports higher-speed data?
HintThe unshielded twisted pair cables support higher-speed data
57). Which one of the following is cheaper?
HintThe unshielded twisted pair cables are cheaper than shielded twisted pair cables
58). The coaxial cables used for ______________
HintThe 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?
HintThe shielded twisted pair is less prone to noise and interference
60). In which one of the following cables the security is high?
HintIn fiber optic cables the security is high compare to coaxial and STP cables
61). The bend radius of unshielded twisted pair cables is ________
HintThe bend radius of unshielded twisted pair cables is 360 degrees/feet
62). The bandwidth of unshielded twisted pair is ____________
HintThe bandwidth of unshielded twisted pair is 10 Mbps – 100Mbps
63). In which one of the following the interference rating is very good?
HintIn optic cables the interference rating is very good
64). The bend radius of unshielded twisted pair cables is ________
HintThe bend radius of unshielded twisted pair cables is 30 degrees/feet or 360 degrees/feet
65). The bandwidth of unshielded twisted pair is ____________
HintThe bandwidth of unshielded twisted pair is 10 Mbps
66). The bend radius of fiber optic cables are ________
HintThe bend radius of fiber optic cables are 30 degrees/feet
67). Which one of the following cable costs is cheap?
HintThe 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 ______________
HintThe maximum segment length of RG 58 coaxial cable is 200 meters
69). The transmission speed of optical fiber cables is up to ___________
HintThe transmission speed of optical fiber cables is up to 1Gbps
70). The bandwidth of shielded twisted pair cables is ___________
HintThe bandwidth of shielded twisted pair cables is 10 Mbps – 100Mbps
71). The maximum segment length of RG 8 coaxial cable is ______________
HintThe maximum segment length of RG 8 coaxial cable is 500 meters
72). The CAT5e shielded twisted pair cable operates at ____________
HintThe CAT5e shielded twisted pair cable operates at 350MHZ
73). In which one of the following cables the interference is good?
HintIn 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 ____________
HintThe CAT5e shielded twisted pair cable carries data up to 1000Mbps
75). The 15Ohm shielded type cable operates at _______
HintThe 15Ohm shielded type cable operates at 16MHZ

Electrical Cables MCQ's for Quiz

76). What is the standard form of MIC?
HintThe standard form of MIC is Medium Interface Connector
77). The maximum cable segment of unshielded twisted pair cable is _______________
HintThe maximum cable segment of unshielded twisted pair cable is 100 meters
78). The radiofrequency technologies categorized into ___________
HintThe radiofrequency technologies are categorized into two types they are single frequency radio technology and spread spectrum radio technology
79). The glass optical fibers are ____________
HintThe glass optical fibers are expensive, delicate, and difficult to handle
80). Which one of the following cables has a very high bandwidth?
HintAn optical fiber cable has a very high bandwidth
81). The attenuation in optical fiber cables is ____________
HintThe attenuation in optical fiber cables is very low
82). The noise immunity in twisted pair cable is __________
HintThe noise immunity in twisted pair cable is low
83). The power loss in coaxial cable is due to ___________
HintThe power loss in coaxial cable is due to conduction
84). The power loss in twisted pair cable is due to ___________
HintThe power loss in twisted pair cable is due to radiation and conduction
85). The power loss in optical fiber cable is due to ___________
HintThe power loss in optical fiber cable is due to bending, scattering, and absorption
86). The installation of optical fiber cables are ________
HintThe installation of optical fiber cables are difficult
87). The diameter of the coaxial cable is ____________
HintThe diameter of the coaxial cable is larger
88). The maximum cable segment of shielded twisted pair cable is _______________
HintThe maximum cable segment of shielded twisted pair cable is 100 meters
89). What is the prominent line parameter in overhead cables?
HintThe prominent line parameter in overhead cables is inductance
90). What is the prominent line parameter in underground cables?
HintThe prominent line parameter in underground cables is the capacitance
91). The system cost of overhead cables is __________
HintThe system cost of overhead cables is high compare to underground cables
92). The possibility of expansion in underground cables is ____________
HintThe possibility of expansion in underground cables is difficult
93). In which one of the following cables the fault detection is easy?
HintIn overhead cables the fault detection is easy
94). which one of the following cables is safer?
HintThe underground cables are very safe compared to overhead cables
95). Which one of the following cables is a screened type cable?
HintThe H-type and S.L. type cables both are screened type cables
96). Which one of the following cables is designed by M. Hochstetler?
HintThe H-type cable is designed by M. Hochstetler
97). What are the advantages of gas pressure cables?
HintThe 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?
HintThe 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 _______________
HintThe maximum cable segment of coaxial cable is 2Km to 100Km
100). What are the advantages of oil-filled cables?
HintThe advantages of oil-filled cables are it has high-temperature rage and less thermal resistance
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