Description : Which of the following refers to the video signal amplitude that determines the quality of the picture? A. Chrominance B. Luminance C. Brightness D. Contrast
Last Answer : D. Contrast
Description : Luminance efficiency is minimum for a a. Fluorescent tube b. High wattage light bulb c. Mercury vapor lamp d. Low wattage light bulb
Last Answer : d. Low wattage light bulb
Description : In regard to colour, what does Chroma stand for, A. Degree of saturation of hue B. Brightness C. Value D. Contrast
Last Answer : A. Degree of saturation of hue
Description : In regard to shade, chroma is: A. Brightness B. Saturation of hue C. Value
Last Answer : B. Saturation of hue
Description : _______ is referred as the difference between available power and power budget? A. Fade margin B. Power margin C. Nominal gain D. Power dissipation
Last Answer : B. Power margin
Description : In shipboard satellite dish antennas system, azimuth is referred as the _______. A. 0 to 90 degrees B. Vertical aiming of the antenna C. North to East D. Horizontal aiming of the antenna
Last Answer : D. Horizontal aiming of the antenna
Description : ______ polarization is employed in FM broadcasting A. Horizontal B. Vertical C. Circular D. Bidirectional
Last Answer : A. Horizontal
Description : _____ polarization is employed in AM broadcasting A. Horizontal B. Vertical C. Circular D. Omnidirectional
Last Answer : B. Vertical
Description : Which does not use vertical polarization antenna? A. AM Broadcasting B. FM Broadcasting C. Mobile Communications D. Satellite Communications
Last Answer : B. FM Broadcasting
Description : What region around a broadcasting transmitter in which satisfactory reception of broadcasting signal is not obtained? A. Fringe area B. Primary are C. Secondary area D. Tertiary area
Last Answer : A. Fringe area
Description : ____ is defined as any radiation of energy by means of electromagnetic wave. A. Emission B. Radiation C. Radio D. Broadcasting
Last Answer : A. Emission
Description : A third symbol radio emission which represent telephone transmission including sound broadcasting. A. W B. F C. C D. E
Last Answer : D. E
Description : What is the effect in over modulated amplitude modulated radio broadcasting transmission? A. Interference to adjacent channel B. Higher fidelity C. Increase noise D. Higher audio signal
Last Answer : A. Interference to adjacent channel
Description : The carrier swing necessary to provide 80% modulation in the FM broadcasting band is __________. A. 150 kHz B. 120 kHz C. 60 kHz D. 75 kHz
Last Answer : B. 120 kHz
Description : ECE Board Exam March 1996 The method of generating FM used by broadcasting station is A. direct B. all of these C. indirect D. insertion
Last Answer : C. indirect
Description : When the nurse observes diffuse swelling involving the deeper skin layers in the patient who has experienced an allergic reaction, the nurse records the finding as a) angioneurotic edema. ... the result of increased interstitial fluid and associated with disorders such as congestive heart failure.
Last Answer : a) angioneurotic edema. The area of skin demonstrating angioneurotic edema may appear normal but often has a reddish hue and does not pit.
Description : For television broadcasting, what frequency is employed normally? -Do You Know?
Last Answer : answer:
Last Answer : Color broadcasting of Bangladesh Television started in 1981.
Description : Where can I possibly find television broadcasting jobs?
Last Answer : Major cities are generally where television stations are located. Whether you're looking for a job with your local television broadcasting station, or on a national scale, will all depend on where these jobs are. ... as I mentioned, if you want to stay close to home, look at your local urban cities.
Description : Range of Television Broadcasting is confined to a limited distance because (a) Long waves are used (b) Short waves are absorbed by atmosphere (c) Energy of the waves is dissipated (d) Earth is spherical in shape
Last Answer : Ans:(d)
Description : For television broadcasting, what frequency is employed normally?
Last Answer : 30 – 300 MHz
Description : What is reverse saturation current?
Last Answer : The current due to the minority carriers is called the reverse saturation current.
Description : What is Reverse saturation current?
Last Answer : The current due to the minority carriers in reverse bias is said to be reverse saturation current. This current is independent of the value of the reverse bias voltage.
Description : Pattern ERG (PERG): a. tests the function of the ganglion cells b. uses a checkered board pattern that changes in luminance c. gives the same information as visual evoked response (VER) d. is abnormal in glaucoma
Last Answer : is abnormal in glaucoma
Description : Luminance efficiency is minimum for a ∙ a. Fluorescent tube ∙ b. High wattage light bulb ∙ c. Mercury vapor lamp ∙ d. Low wattage light bulb
Description : In _______, the router may forwardthereceived packet through several of its interfaces. A) unicasting B) multicasting C) broadcasting D) none of the above
Last Answer : multicasting
Description : Dispersion is used to describe the a. Splitting of white light into its component colors b. Propagation of light in straight lines c. Bending of a beam of light when it goes from one medium to another d. Bending of a beam light when it strikes a mirror
Last Answer : a. Splitting of white light into its component colors
Description : Which of the following colors of light rays has the shortest wavelength? A. Yellow B. Violet C. Red D. Blue
Last Answer : B. Violet
Description : I come in a cone but I am not food;I will be skewed if you screw with my hue;I come by the millions but you can probably only name a few.What am I? -Riddles
Last Answer : Colors.
Description : i bought led lights from philips. everything works for me, I just don't know how to create a pair of four bulbs to control them the same. It originally worked, I just created my new account and ... how to set up the associated lighting. I have three applications on my mobile and only one is Czech
Last Answer : Need Answer
Description : What kind of stone is my owl carved out of a see thru white stone with a blue hue?
Last Answer : What is the answer ?
Description : When we refer to the hue of light wave what are reffering to?
Last Answer : Need answer
Description : The reddish hue of the Sun at sunset is due to the fact that (a) Sunlight is polarized horizontally when scattered by molecules of the atmosphere (b) Light of short wavelength is ... than light of long wavelength (d) Sunlight is polarized vertically when scattered by molecules of the atmosphere
Last Answer : Ans:(b)
Description : Munsell colour chart lightness and darkness of colour is denoted by a. HUE b. VALUE c. CHROMA d. None of these
Last Answer : b. VALUE
Description : The hue of color sync phase is:
Last Answer : yellow green
Description : Which is correct in regard to shade selection of crowns: A. It should be selected before starting preparation B. Chroma is the lightness/darkness of colours C. Value is the colour itself D. Hue is the concentration of colours
Last Answer : A. It should be selected before starting preparation
Description : An intermediate hue is a. Two primary colours in equal amount b. Two secondary colours in equal amounts c. A mixture of one primary colour and its adjacent / neighbouring secondary colour d. A mixture of 1 secondary and its opposite primary in 3:2 proportion
Last Answer : c. A mixture of one primary colour and its adjacent / neighbouring secondary colour.
Description : A dipole antenna requires to be fed with 20 kW of power to produce a given signal strength to a particular distant point. If the addition of a reflector makes the same field strength available with an input power of 11kW ... Gain referred to this particular dipole). A. 4.75 B. 2.6 C. 1.81 D. 4.24
Last Answer : B. 2.6
Description : The control routine necessary to keep the satellite in position is referred to as A. station keeping B. station tracking C. station monitoring D. station maintaining
Last Answer : A. station keeping
Description : What frequency band is referred to as the metric waves? A. VHF B. UHF C. HF D. SHF
Last Answer : A. VHF
Description : Which of the following is not referred to as data terminal equipment? A. Telephone set B. Printers C. Modem D. Computer
Last Answer : C. Modem
Description : In modulation technique, which of the following is referred to audible pitch? A. Width B. Frequency C. Harmonic D. Amplitude
Last Answer : B. Frequency
Description : Frequencies above ______ kHz, are referred to as the radio frequencies. A. 20 B. 2 C. 10 D. 200
Last Answer : A. 20
Description : One of the advantages of fiber optic which is referred to the volume of capacity of signals it can carry. A. Security B. Weight C. Bandwidth D. Physical size
Last Answer : C. Bandwidth
Description : The international radio consultative committee is referred to in international radio communication as ______. A. IRCC B. ITU C. IRR D. CCIR
Last Answer : D. CCIR
Description : This is referred to a product of simultaneous frequency and amplitude modulation or a carrier frequency variation which produces unwanted distortion. A. Absorption modulation B. Simultaneous modulation C. Dynamic instability D. Series modulation
Last Answer : C. Dynamic instability
Description : In amplitude modulation technique the unmodulated carrier is referred to as having ______. A. 100% modulation B. 0% modulation C. 50% modulated D. Over modulated
Last Answer : B. 0% modulation
Description : What kind of effect is referred to a varying light producing a varying voltage output of a detector? A. Current effect B. Voltage effect C. Resistive effect D. Photovoltaic effect
Last Answer : D. Photovoltaic effect
Description : Referred to an oscillator signal “leak through” from a properly neutralized amplifier such as a master oscillator power amplifier. A. Carrier B. Stray signal C. Back wave D. Loss wave
Last Answer : C. Back wave
Description : One of the following is referred to as a major component of an optical time domain reflectometer A. Pulse generator and vertical plate B. Laser and horizontal plate C. Pulse generator laser D. Vertical and horizontal plate
Last Answer : C. Pulse generator laser