Related InterviewSolutions

• The empirical formula for the measurement of the high VSWR is give by ____(a) \(VSWR =\frac{λ_g}{π(d_2-d_1)}\)(b) \(VSWR =\frac{λ_c}{π(d_2-d_1)}\)(c) \(VSWR =\frac{λ_g}{2(d_2-d_1)}\)(d) \(VSWR =\frac{2λ_g}{(d_2-d_1)}\)This question was posed to me in homework.I'd like to ask this question from Standing Wave Ratio Method in section Modern Antennas & Antenna Measurements of Antennas
• If there are no any reflections, then the value of the SWR will be ________________(a) 1(b) 0(c) ∞(d) 2I got this question in an online interview.I want to ask this question from Standing Wave Ratio Method topic in chapter Modern Antennas & Antenna Measurements of Antennas
• Which of the following is used mostly for the calibration of standard gain of antenna?(a) Absolute gain(b) Gain transfer method(c) Gain compromise method(d) Both gain transfer and absolute gain methodI have been asked this question in semester exam.Question is from Measurement of Gain topic in division Modern Antennas & Antenna Measurements of Antennas
• Height criteria required for mounting AUT under elevated range test is ______(a) hr ≤ 4D(b) hr ≥ 4D(c) hr ≥ 2D(d) hr ≤ 2DThis question was addressed to me in class test.My question is taken from Antenna Ranges in chapter Modern Antennas & Antenna Measurements of Antennas
• What is the frequency of antennas used for Reflection range?(a) 300MHz to 16GHz(b) 3 MHz to 16MHz(c) 16MHz to 300MHz(d) 3GHz to 30GHzI have been asked this question at a job interview.Asked question is from Antenna Ranges topic in chapter Modern Antennas & Antenna Measurements of Antennas
• The value of the SWR when the reflection power is equal to the incident power is ____________(a) 1(b) 0(c) ∞(d) 2This question was addressed to me during an interview.My doubt stems from Standing Wave Ratio Method in division Modern Antennas & Antenna Measurements of Antennas
• Which of the following is known as Non Radiative region?(a) Far field region(b) Near filed region(c) Radiative Field(d) Reactive FieldThis question was addressed to me in an interview.Question is taken from Near Field and Far Field topic in section Modern Antennas & Antenna Measurements of Antennas
• Which of the following instrument measures the amplitude and phase of the signal?(a) Network analyzer(b) Spectrum analyzer(c) Oscilloscope(d) KlystronThis question was addressed to me at a job interview.The above asked question is from Spectrum Analyzer in chapter Modern Antennas & Antenna Measurements of Antennas
• Friss transfer formula is given by _____(a) \(P_r = P_t G_r G_t (\frac{λ}{4πR})^2 \)(b) \(P_r = P_t G_r G_t (\frac{λ}{4πR})\)(c) \(P_r = \frac{P_t G_r G_t}{\frac{λ}{4πR}}\)(d) \(P_r = P_t G_r G_t (\frac{λ}{4πR^2})\)I had been asked this question at a job interview.My question is based upon Measurement of Gain in division Modern Antennas & Antenna Measurements of Antennas
• Which of the following doesn’t come under outdoor ranges?(a) Reflection range(b) Anechoic chamber(c) Slant range(d) Elevation rangeI have been asked this question in an international level competition.My question is from Antenna Ranges in division Modern Antennas & Antenna Measurements of Antennas