Chapter 8 Waveguides MCQs 10 min Score: 0 Attempted: 0/10 Subscribe 1. . The phenomenon employed in the waveguide operation is (A) Reflection (B) Refraction (C) Total internal reflection (D) AdsorptionShow All Answers 2. . The waveguide is employed in the transmission lines, when operated at the range of (A) GHz (B) MHz (C) KHz (D) HzShow All Answers 3. . The dominant mode for rectangular waveguides is (A) TE11 (B) TM11 (C) TE101 (D) TE10Show All Answers 4. . The modes of operation supported by a rectangular waveguide is (A) TM, TEM, TE (B) TM, TE (C) TM, TEM (D) TE, TEMShow All Answers 5. . A hollow rectangular waveguide cannot propagate TEM waves because (A) of the existence of only one conductor (B) of the losses caused (C) it is dependent on the type of the material used (D) none of the aboveShow All Answers 6. . For any mode of propagation in a rectangular waveguide, propagation occurs (A) Above the cut off frequency (B) Below the cut off frequency (C) Only the cut off frequency (D) Depends on the dimension of the waveguideShow All Answers 7. . Dominant mode is defined as (A) Mode with the lowest cut off frequency (B) Mode with the highest cut off frequency (C) Any TEM mode is called a dominant mode (D) None of the mentionedShow All Answers 8. . The lowest mode of TM wave propagation is (A) TM10 mode (B) TM01 mode (C) TM11 mode (D) TM12 modeShow All Answers 9. . The lowest mode of TE mode propagation in a circular wave guide is (A) TE10 mode (B) TE00 mode (C) TE01 mode (D) TE11 modeShow All Answers 10. . GWT stands for? (A) Good wave testing (B) Group wave testing (C) Geometrical wave testing (D) Guided wave testingShow All Answers
