72051. The expected out turn of 5 cm .Cement concrete flooring per mason per day is
72052. For EM wave propagation in free space, the free space is defined as
72053. A circle will appear as ------on an isometric drawing
72054. For TE or TM modes of propagation in bounded media, the phase velocity is
72055. Lami’s theorem is applicable only for
72056. Frequencies in the UHF range propagate by means of
72057. Slate is formed by the metamorphic action on
72058. Intrinsic or characteristic impedance of free space has a value of
72059. The number of bricks per cubic meter of brick masonry is
72060. Radiation resistance of half-wave dipole (λ/2) antenna is in free space
72061. The type of roof which slopes in two directions with a break in the slope on each side is called
72062. The effect of the inductance of a coil on a constant direct current is that
72063. Sum of tread and rise must lie between
72064. If H = 0.1 sin (108p t + βλ) A/m for a plane wave propagating in free space, then the time average Poynting vector is
72065. In the construction of arches,sand box method is used for
72066. The ratio of tangential component of electric field at the surface of a conductor and the linear current density resulting from this field is __________ impedance
72067. The slenderness ratio of masonry walls should not be more than
72068. The gain of collinear arrays is maximum when the spacing between the elements is
72069. Pick up the portion not included in plinth area
72070. Virtual height of an ionospheric layer is always greater than its actual height.
72071. Hydrographic survey deals with the mapping of
72072. In waveguides the existing waves are
72073. The term __________ applies to troposcatter propagation
72074. Unit of e is __________ .
72075. So-called 'grounded' antennas are often found insulated from the ground electrically.
72076. End fire array is called a linear resonant dipole array.
72077. Which of the following statements is incorrect regarding Balun transformer?
72078. The maximum usable frequency for the 'E' layer is 10 MHz.
72079. In free space
72080. EDMI stands for
72081. Which one is not correct for folded dipole antenna?
72082. For VLF antennas radiation resistance is usually of the order of
72083. The attenuation factor in parallel plane guides is given by
72084. Which of the following relations is incorrect?
72085. An antenna array pattern is to used for increasing
72086. A unipole is also known as
72087. Microwave signals follow the curvature of the earth and the phenomenon
72088. Broadcasting antennas are generally
72089. A transmission line has characteristics impedance of (75 + j 0.01) Ω and is terminated in a load impedance of (70 + j 50) Ω. The reflection coefficient will be
72090. Which of the following term does not apply to the Yagi-Uda array?
72091. In a rectangular waveguide ZTE . ZTM is
72092. Brewster angle is the angle for which there is
72093. Surface waves can propagate on Piezoelectric substrates.
72094. A folded dipole antenna is conveniently connected to
72095. The "boundary sphere" between antenna region and free space region appears to "opaque"
72096. In a horizontal polarized wave
72097. For a uniform plane wave of frequency 106 Hz propagating in a good conductor, the field undergoes a change in phase by 2p radius over a distance of 1 meter. The field is attenuated by a factor of 1/e at a distance of
72098. T.V. broadcasting based on
72099. Absolute permeability (μ) is given by __________ henry/metre
72100. GPS is a précised system to provide accurate timing and location launched by
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