Related InterviewSolutions

• What is the length of the shortest element in the yagi antenna?(a) One quarter the wavelength of the highest frequency(b) One quarter the wavelength of the lowest frequency(c) One half the wavelength of the highest frequency(d) One half the wavelength of the lowest frequencyThe question was posed to me during an interview.I need to ask this question from Types of Antenna in division Antennas and Wave Propagation of Avionics
• Which of the following is not one of the types of driven array antenna?(a) Rectilinear antenna(b) Broadside antenna(c) End fire antenna(d) log periodic antennaI had been asked this question by my college director while I was bunking the class.I'd like to ask this question from Types of Antenna in section Antennas and Wave Propagation of Avionics
• Parasitic element that is typically about 5 percent longer than the half-wave dipole-driven element is called _______(a) Array element(b) Director element(c) Reflector element(d) Driven elementThe question was posed to me in an online interview.My question is from Types of Antenna topic in section Antennas and Wave Propagation of Avionics
• Why is the boom of the yagi antenna connected to a metal mast and electrical ground?(a) Better signal directivity(b) Increased bandwidth(c) Lightning protection(d) To avoid short circuitingI had been asked this question during an interview.My question comes from Types of Antenna topic in division Antennas and Wave Propagation of Avionics
• In a parasitic array the elements are shorted if they are connected to a conducting beam.(a) True(b) FalseThis question was addressed to me during an interview.I want to ask this question from Types of Antenna topic in division Antennas and Wave Propagation of Avionics
• In a parasitic array antenna, the conductors that are not connected to the transmission line is called as?(a) Driven element(b) Parasitic elements(c) Extra elements(d) Array elementsI got this question in a job interview.The query is from Types of Antenna in portion Antennas and Wave Propagation of Avionics
• What is the use of loading coil?(a) Correcting resonance to a desired frequency(b) Increasing the antenna gain(c) Sideband suppression(d) Increasing the range of the antennaI got this question by my college director while I was bunking the class.I need to ask this question from Types of Antenna topic in chapter Antennas and Wave Propagation of Avionics
• Which of the following antennas produce a vertical radiation pattern?(a) Dipole antenna(b) Yagi antenna(c) Marconi antenna(d) Hertz antennaI had been asked this question in an interview for job.I would like to ask this question from Types of Antenna topic in division Antennas and Wave Propagation of Avionics
• Why is top hat added to antennas?(a) To increase capacitance(b) Increasing the antenna gain(c) Sideband suppression(d) Increasing the range of the antennaThis question was posed to me in my homework.My question is from Types of Antenna topic in section Antennas and Wave Propagation of Avionics
• What is the impedance of the folded dipole antenna?(a) 50Ω(b) 100Ω(c) 300Ω(d) 20ΩI got this question in an interview.I need to ask this question from Types of Antenna topic in chapter Antennas and Wave Propagation of Avionics