Description : A circular orbit around the equator with a 24-h period is called a/an A. elliptical orbit B. geostationary orbit C. polar orbit D. transfer orbit
Last Answer : B. geostationary orbit
Description : What is the height of a satellite in a synchronous equatorial orbit? A. 42000 mi B. 6800 mi C. 22,300 mi D. 35,860 mi
Last Answer : C. 22,300 mi
Description : What satellite system is also known as Navstar? A. GPS B. Iridium C. Globalstar D. Intelsat
Last Answer : A. GPS
Description : What is considered as the most advanced satellite system developed for cellular telephones? A. Iridium B. Globalstar C. ANIK D. Molniya
Last Answer : A. Iridium
Description : One of the first satellite system catering personal based communications services scheduled for operation. A. Iridium system B. Plutonium system C. Indium system D. Gallium system
Last Answer : A. Iridium system
Description : In what region of the world is sporadic-E most prevalent? A. The equatorial regions B. The northern hemisphere C. The arctic regions D. The polar regions
Last Answer : A. The equatorial regions
Description : The maximum height of an elliptical orbit is called the A. Perigee B. Apex C. Zenith D. Apogee
Last Answer : D. Apogee
Description : A satellite launch station should be a.107 dynes b.near the equatorial region c.all the locations are equally good d.one the polar axis e.near the polar region
Last Answer : b. near the equatorial region
Description : A satellite of mass m orbits the earth in an elliptical orbit having aphelion distance `r_(a)` and perihelion distance `r_(p)`. The period of the orbi
Last Answer : A satellite of mass m orbits the earth in an elliptical orbit having aphelion distance `r_(a)` and perihelion distance ... r_(p)) sqrt(r_(a)r_(p)))/T`
Description : ___________ is a satellite that rotates around the earth in a low-altitude elliptical or circular pattern. A. Geosynchronous satellite B. Nonsynchronous satellite C. Prograde satellite D. Retrograde satellite
Last Answer : B. Nonsynchronous satellite
Description : Satellite orbits around the earth are ____ orbits. A. circular B. either elliptical or circular C. elliptical D. circular only
Last Answer : B. either elliptical or circular
Description : An automated ship-to-shore distress alerting system using satellites and advanced terrestrial communications systems. A. GPS B. Iridium system C. INMARSAT D. GMDSS
Last Answer : D. GMDSS
Description : ECE Board Exam March 1996 It is a spacecraft placed in orbit around the earth carrying onboard microwave receiver and transmitting equipments. A. Fiber optic equipment B. Communications satellite C. Wireless radio system D. Coaxial cable syste
Last Answer : B. Communications satellite
Description : Iridium satellites can provide data communications of up ____ bps data rate. A. 1200 B. 4800 C. 2400 D. 3840
Last Answer : C. 2400
Description : The first satellite launched for a geosynchronous orbit but unfortunately lost during orbit injection A. Syncom I B. Telstar I C. Sputnik I D. Early Bird I
Last Answer : A. Syncom I
Description : Refers to the satellite orientation with respect to the earth A. Satellite altitude B. Satellite position C. Satellite location D. Satellite orbit
Last Answer : A. Satellite altitude
Description : When the satellite are spaced 4˚ of the 360˚ complete circle, how many parking spaces or orbit slots are available? A. 90 B. 85 C. 95 D. 80
Last Answer : A. 90
Description : incidentally propose the geostationary scheme or orbit of the satellite in 1940s A. Arthur Clarke B. Carl Friedrich Gauss C. Samuel Morse D. Stephen Gray
Last Answer : A. Arthur Clarke
Description : The jet thrusters are usually fired to A. maintain altitude B. put the satellite into the transfer orbit C. inject the satellite in the geosynchronous orbit D. bring the satellite back to earth.
Last Answer : A. maintain altitude
Description : A satellite stay in orbit because the following two factors are balanced A. Satellite weight and speed B. Gravitational force and centrifugal force C. Centripetal force and speed D. Satellite weight and the pull of the moon and sun
Last Answer : B. Gravitational force and centrifugal force
Description : As the height of a satellite orbit gets lower, the speed of the satellite _________. A. increases B. decreases C. remains the same D. None of the above
Last Answer : A. increases
Description : The speed of the satellite increases as its height in orbit gets A. lower B. higher C. closer to the moon D. closer to the sun
Last Answer : A. lower
Description : What is the orbit height of a GPS satellite? A. 10,898 nmi B. 10,898 mi C. 10,898 km D. 10, 898 m
Last Answer : A. 10,898 nmi
Description : Which of the following satellite subsystem provides stabilization in orbit and senses changes in orientation? A. Attitude control subsystem B. TTC C. AKM D. Transponder
Last Answer : A. Attitude control subsystem
Description : ECE Board Exam March 1996 The point on the satellite orbit, closest to the earth is A. prograde B. perigee C. zenith D. apogee
Last Answer : B. perigee
Description : For interpolation of satellite data used for monitoring dynamic changes that occurs on the earth surface, the most suitable orbit for the satellite is: (A) Circular orbit (B) Sun-synchronous orbit (C) Near polar orbit (D) None of these
Last Answer : Answer: Option B
Description : How much the equatorial circumference is greater than the polar circumference? -General Knowledge
Last Answer : The answer is 'Approximately 68 km'
Last Answer : answer:
Description : Why are the equatorial places getting hotter and hotter but nor the polar regions getting any colder?
Last Answer : What is the answer ?
Description : Belt of Doldrums exists in which of the following regions? (a) Polar region (b) Equatorial region (c) Sub-Polar region (d) Sub-Tropical region
Last Answer : Ans: (b)
Description : Trade winds blow from the – (1) equatorial low pressure (2) polar high pressure (3) subtropical high pressure (4) subpolar low pressure
Last Answer : (3) subtropical high pressure Explanation: Wind flows outward down the pressure gradient away from the subtropical highs. As it does so, it encounters the Coriolis Effect caused by the rotation of the Earth ... move from east to west, and below the subtropical high winds move from west to the east.
Description : Rubber plantations are found in – (1) Temperate forests (2) Mountain regions (3) Polar regions (4) Equatorial regions
Last Answer : (4) Equatorial regions Explanation: The rubber plant grows wild in the equatorial regions of the world which are marked by rainfall of around 250 cm evenly distributed without any marked dry ... , Thailand, Indonesia and Malaysia, together account for around 72% of all natural rubber production.
Description : Convectional Rainfall occurs in: (1) Equatorial region (2) Temperate region (3) Tropical region (4) Polar region
Last Answer : (1) Equatorial region Explanation: Convection rain commonly occurs in warmed or heated areas such as equatorial/tropical regions, where there is almost daily occurrence and even distribution of ... ground surface is locally overheated and the adjacent air, heated by conduction,expands and rises.
Description : How much the equatorial circumference is greater than the polar circumference?
Last Answer : Approximately 68 km
Description : Tropical cyclones originate within a. Intermediate between Polar and temperate zones b. Mainly tropical area c. Mainly equatorial Zones d. Intermediate between Tropics of Capricorn and cancer
Last Answer : d. Intermediate between Tropics of Capricorn and cancer
Description : Trade winds are persistent easterly winds develope between: w) subtropical high pressure and equatorial doldrum x) subtropical high pressure and subpolar low pressure y) westerlies and polar highs z) none of the above
Last Answer : ANSWER: W -- SUBTROPICAL HIGH PRESSURE AND EQUATORIAL DOLDRUM
Description : Rubber plantations are found in (1) Temperate forests (2) Mountain regions (3) Polar regions (4) Equatorial regions
Last Answer : Equatorial regions
Description : Trade winds blow from the (1) equatorial low pressure (2) polar high pressure (3) subtropical high pressure (4) subpolar low pressure
Last Answer : subtropical high pressure
Last Answer : Equatorial region
Description : Why is the moon's orbit elliptical shaped?
Last Answer : answer:Johannes Kepler published his Laws of Planetary Motion in 1609. First law:The orbit of a planet is an ellipse with the Sun at one of the two foci. This works for the lunar ... or intensity is inversely proportional to the square of the distance from the source of that physical quantity.
Description : what- The moon revolves AROUND THE EARTH in an elliptical orbit?
Last Answer : adverb phrase
Description : What describes a large chunk of ice and dust with a long elliptical orbit?
Description : What is the elliptical orbit of the earth around the sun?
Last Answer : The Earth orbits the Sun in 365.24 days.
Description : Explain the difference in the earths climate change when the earths orbit changes from elliptical to circular?
Last Answer : Earth's eccentricity Eccentricity is defined as the difference in shape between an ellipse and a perfect circle. In a similar fashion to Earth's obliquity, the more uniform Earth's orbit is (more like a perfect circle), the less difference there is in climate change throughout the year.
Description : Which of the following statements is/are correct? 1. The earth revolves around the sun in an elliptical orbit. 2. The sun always attracts the earth with the same force. (a) Both (b) Neither 1 nor 2 (c) 1 only (d) 2 only
Last Answer : Ans:(c)
Description : The electric field lies in a plane parallel to the earth’s surface. A. Elliptical polarization B. Horizontal polarization C. Vertical polarization D. Circular polarization
Last Answer : B. Horizontal polarization
Description : The electric field lines in a plane perpendicular to the earth’s surface. A. Elliptical polarization B. Circular polarization C. Horizontal polarization D. Vertical polarization
Last Answer : D. Vertical polarization
Description : What is the orbit inclination of geostationary satellites? A. 0° B. 10° C. 20° D. 30°
Last Answer : A. 0°
Description : How do you transmit through multiplexing, a thousand of voice channel information over a single fiber optic using on e wavelength? A. Polar division B. Time division C. Fiber division D. Frequency division
Last Answer : B. Time division
Description : What is the free space attenuation of a satellite communications system operating at 36,000 km above the earth at 5.0 GHz? A. 198 dB B. 202 dB C. 142 dB D. 138 dB
Last Answer : A. 198 dB