Description : What type of radar provides continuous range, bearing, and elevation data on an object?
Last Answer : Track radar.
Description : What type of radar detects range, bearing, and height?
Last Answer : Three-dimensional.
Description : What type of receiver is most often used in radar systems?
Last Answer : Superheterodyne.
Description : Fire-control tracking radar most often radiates what type of beam?
Last Answer : A narrow circular beam.
Description : Which of the following systems is not used in radio detection and ranging? A. Frequency shift B. Frequency modulation C. Pulse radar D. Amplitude modulation
Last Answer : D. Amplitude modulation
Description : RADAR means A. Radio detection and rating B. Radio detection and ranging C. Radio distance and ranging D. Radio delay and ranging
Last Answer : B. Radio detection and ranging
Description : Which of the following sensor work based on radio detection and ranging? A : Sonar B : Radar C : Intertial D : Biosensor
Last Answer : B : Radar
Description : Which of the following sensor work based on sound navigation ranging? A : Sonar B : Radar C : Intertial D : Biosensor
Last Answer : A : Sonar
Description : What radar scope uses a range step for range measurement?
Last Answer : The A scope.
Description : Range-marker generators produce pulses based on what radar constant?
Last Answer : The radar mile (12.36 microseconds).
Description : Why is the range capability of 3D radar usually less than the range of 2D radar?
Last Answer : Higher operating frequency
Description : What limits the maximum range of a surface-search radar?
Last Answer : Radar horizon.
Description : In addition to recovery time, what determines the minimum range of a radar set?
Last Answer : Pulse width
Description : Which of the two general classes of antennas is most often used with radar?
Last Answer : Directional.
Description : Why are time-domain reflectometers often compared to a radar system?
Last Answer : Both transmit a pulse and analyze the signal reflection.
Description : Which of the following precautions should be taken when troubleshooting various power circuits using a common solenoid-type mechanical voltage tester (wiggins)? A. Never use this tester on circuits greater ... voltage expected in the circuit in order to prevent damage from an off-scale reading.
Last Answer : Answer: A
Description : What position data are supplied by 2D search radar?
Last Answer : Range and bearing.
Description : What type of switch should be used to control a circuit that requires a temporary actuation signal?
Last Answer : A momentary switch.
Description : Pick out the wrong statement. (A) The integral method of analysing kinetic data is used when the data is scattered (B) The differential method of analysing kinetic data requires more accurate ... less than one for identical feed composition, flow rate, conversion and for all positive reaction orders
Last Answer : (C) When the reaction rate is independent of temperature, the reaction is said to be of zero order
Description : Which is more accurate, the display on my speedometer, or the speed display on my GPS? And, which one will be closer to the cop's radar?
Last Answer : Assume you’re driving as fast as the faster readout.
Description : High relative humidity decreases the evaporative process and as the temperature is increased, the relative humidity decreases. The comfort range for human body is the ambient temperature of 22 to 27°C with relative humidity ranging from __________ ... to 10 (B) 15 to 25 (C) 45 to 50 (D) 75 to 80
Last Answer : (C) 45 to 50
Description : Which of the eight methods for encoding digital data onto magnetic tape is most widely used because it’s accurate, simple, and reliable?
Last Answer : Non-return-to-zero (NRZ) encoding.
Description : What type of data transfer requires the most time?
Last Answer : Serial.
Description : What type of modulator is most commonly used in modern radar systems?
Last Answer : Line-pulsed.
Description : What type of multivibrator can be used as a radar master oscillator?
Last Answer : Free-running.
Description : Radar altimeters use what type of transmission signal?
Last Answer : Frequency modulated (fm).
Description : What type of radar transmitter power is measured over a period of time?
Last Answer : Average power.
Description : )The fixed price contract is advantageous to the buyer because it: 1. requires extremely well defined specifications 2. requires formal procedures for scope changes 3. contractor assumes financial and technical risk 4. has a known cost
Last Answer : 3. contractor assumes financial and technical risk
Description : Why the bacterium Treponemapallidum is difficult to culture? A-.Because it requires a great deal of water to reproduce B- .Because it is unable to use carbohydrates as an energy source ... TCA cycle and oxidative phosphorylation D- Because it requires extremely low temperature at which water freezes
Last Answer : Because it lacks the genes needed for TCA cycle and oxidative phosphorylation
Description : . What is the normal source of dry air for a radar system?
Last Answer : Ship's central dry-air system
Description : The peak power of a radar depends on the interrelationship of what other factors?
Last Answer : Average power, pulse width, and prt.
Description : The ideal radar spectrum has what relationship to the carrier frequency?
Last Answer : Symmetrical above and below the carrier frequency.
Description : The spectrum of a radar transmitter describes what characteristic of the output pulse?
Last Answer : Frequency distribution
Description : Which of the two types of automatic gain control, agc or iagc, is most effective in radar use for the Navy?
Last Answer : IAGC.
Description : What IF frequencies are normally used in radar receivers
Last Answer : Thirty or sixty megahertz.
Description : In an externally synchronized radar, what determines the prr of the transmitter?
Last Answer : The master oscillator.
Description : A self-synchronized radar system obtains timing trigger pulses from what source?
Last Answer : Transmitter.
Description : What is the purpose of the majority of circuits in a radar system?
Last Answer : Timing and control.
Description : What is the purpose of the synchronizer in a radar system?
Last Answer : Controls system operation and timing.
Description : What are the required radar inputs for proper indicator operation?
Last Answer : Triggers, video, and antenna information.
Description : What are the three fundamental quantities involved in radar displays?
Last Answer : Range, bearing, and elevation.