Coaxial Cable MCQs

Coaxial Cable MCQs - Test Your Knowledge
1. What is the primary purpose of coaxial cable?
A) Power transmission
B) Data transmission
C) Audio transmission
D) Video transmission

Answer: B


2. Which of the following is a key feature of coaxial cable?
A) Twisted pairs
B) Single copper conductor
C) Central conductor surrounded by insulation
D) Fiber optics

Answer: C


3. What is the typical use of coaxial cable in home networks?
A) Telephone lines
B) Cable television
C) Internet service
D) All of the above

Answer: D


4. What type of shielding does coaxial cable typically use?
A) Foil only
B) Braided copper and foil
C) Twisted pair
D) Fiber glass

Answer: B


5. What is the standard impedance of most coaxial cables used for TV?
A) 50 Ohms
B) 75 Ohms
C) 100 Ohms
D) 120 Ohms

Answer: B


6. Which coaxial cable type is commonly used for internet connections?
A) RG-6
B) RG-59
C) RG-11
D) RG-58


Answer: A


7. What is a significant advantage of coaxial cable over twisted pair cable?
A) Flexibility
B) Higher data rates
C) Lower cost
D) Smaller size


Answer: B


8. What type of connectors are commonly used with coaxial cables?
A) RJ-45
B) BNC
C) LC
D) SC


Answer: B


9. What is the maximum distance for effective data transmission using coaxial cable?
A) 100 meters
B) 300 meters
C) 500 meters
D) 1000 meters

Answer: A


10. Which of the following is NOT an application of coaxial cable?
A) Cable television
B) Ethernet networks
C) CCTV systems
D) Satellite systems

Answer: B


11. What material is typically used for the central conductor of coaxial cable?
A) Aluminum
B) Copper
C) Steel
D) Silver

Answer: B


12. How does coaxial cable minimize electromagnetic interference?
A) Using thicker insulation
B) By having a central conductor
C) Through its shielded design
D) By using fiber optics

Answer: C


13. What is the approximate diameter of standard RG-6 coaxial cable?
A) 5.0 mm
B) 6.9 mm
C) 10.2 mm
D) 12.7 mm

Answer: B


14. What type of coaxial cable is best suited for long-distance data transmission?
A) RG-59
B) RG-6
C) RG-11
D) RG-58

Answer: C


15. In which of the following environments is coaxial cable typically NOT recommended?
A) Residential
B) Commercial
C) High EMI areas
D) Outdoor use

Answer: C


16. What is the typical bandwidth of RG-6 coaxial cable?
A) 100 MHz
B) 500 MHz
C) 1 GHz
D) 3 GHz

Answer: C


17. Which coaxial cable type is preferred for analog video transmission?
A) RG-59
B) RG-6
C) RG-11
D) RG-58

Answer: A


18. What is a common cause of signal loss in coaxial cables?
A) Overheating
B) Cable bends
C) Connector corrosion
D) All of the above

Answer: D


19. What should be avoided to maintain coaxial cable performance?
A) Bending
B) Excessive stretching
C) Sharp turns
D) All of the above

Answer: D


20. What is a significant disadvantage of coaxial cable?
A) High attenuation
B) Bulkiness
C) Susceptibility to physical damage
D) All of the above

Answer: D


21. Which of the following is NOT a benefit of using coaxial cable?
A) High data rate
B) Long-distance transmission
C) Lightweight design
D) EMI resistance

Answer: C


22. What does the "RG" in RG-6 stand for?
A) Radio Grade
B) Resistance Grade
C) Resistance Gauge
D) Radio Gauge

Answer: A


23. What is the main function of the insulating layer in coaxial cable?
A) To provide flexibility
B) To prevent signal leakage
C) To add weight
D) To increase bandwidth

Answer: B


24. Coaxial cables can be used for which type of signal transmission?
A) Analog only
B) Digital only
C) Both analog and digital
D) None of the above

Answer: C


25. What is the function of the outer conductor in coaxial cable?
A) Signal transmission
B) Provide grounding
C) Shielding
D) Insulation

Answer: C


26. Which of the following is true about the installation of coaxial cables?
A) They can be buried underground without any protection
B) They should be installed in a straight line
C) They can be used without connectors
D) They can be installed near power lines without issues

Answer: B


27. Which coaxial cable is most suitable for RF applications?
A) RG-58
B) RG-59
C) RG-11
D) RG-6

Answer: A


28. Coaxial cables are primarily made from which material?
A) Plastic
B) Copper and aluminum
C) Glass and metal
D) Fiber and copper

Answer: B


29. What is a common use of coaxial cables in television?
A) To connect the TV to a satellite dish
B) To connect two TVs together
C) To connect the TV to the internet
D) To connect audio systems

Answer: A


30. Which of the following is a disadvantage of using coaxial cables for networking?
A) High cost
B) Signal interference
C) Limited flexibility
D) All of the above

Answer: D


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