Description : Random-access storage media refers to what types of storage
Last Answer : Magnetic core, semiconductor, thin film, and bubble.
Description : What three types of storage elements most often are used in modulators?
Last Answer : Capacitor, artificial transmission line, or pulse-forming network.
Description : What are the three types of circuit breaker trip elements?
Last Answer : Thermal, magnetic, and thermal-magnetic
Description : What precautions should you take when tying bundles containing coaxial cables?
Last Answer : Do not tie too tightly and use the proper type of tape.
Description : Before working on electrical equipment containing capacitors, what should you do to the capacitors?
Last Answer : Discharge them by shorting them to ground.
Description : A component of the respiratory chain in mitochondria is (A) Coenzyme Q (B) Coenzyme A (C) Acetyl coenzyme (D) Coenzyme containing thiamin
Last Answer : Answer : A
Description : Pick up the correct statement from the following: (A) O.M.C. refers to the moisture corresponding to the maximum point on the moisture content dry density curve (B) The line which shows moisture content dry ... void line (C) The free fall of hammer for compaction is 30.5 cm (D) All the above
Last Answer : (D) All the above
Description : Which one of the following is not a definition of error ? (A) It refers to the discrepancy between a computed, observed or measured value and the true, specified or theoretically correct value. (B) It ... to fail. (D) It refers to human action that results in software containing a defect or fault.
Last Answer : The input, or clock pulse.
Description : What component in a blocking oscillator controls pulse width?
Last Answer : Transformer.
Description : What component is in parallel with the output in a parallel limiter?
Last Answer : The diode.
Description : What component(s) is/are used for low-frequency compensation for Q2?
Last Answer : R9 and C5.
Description : What component(s) is/are used for high-frequency compensation for Q1?
Last Answer : L1, L2, and R5.
Description : What component in an amplifier circuit tends to limit the low-frequency response of the amplifier?
Last Answer : The coupling capacitor (C3).
Description : If current gain is required from an rf amplifier, what type of component should be used as an output coupling element?
Last Answer : A step-down transformer.
Description : The area between base 1 and base 2 in a UJT acts as what type of common circuit component?
Last Answer : Variable resistor.
Description : Which receiver component converts the IF pulses to video pulses?
Last Answer : Detector.
Description : Which component of the receiver produces the signal that is mixed with the received signal to produce the IF signal?
Last Answer : Local oscillator.
Description : What transmitter component allows the radiation of a large number of discrete frequencies over a wide band?
Last Answer : . Frequency synthesizer.
Description : What radar component permits the use of a single antenna for both transmitting and receiving?
Last Answer : Duplexer.
Description : When you are measuring a component using a bridge, what is the most common cause of inaccurate measurements?
Last Answer : The capacitive and inductive characteristics of the test leads.
Description : In an electron tube regulator, the electron tube replaces what component?
Description : Which fiber optic component (splice, connector, or coupler) makes a permanent connection in a distributed system?
Last Answer : Splice.
Description : Describe an optical fiber cable component (OFCC).
Last Answer : OFCCs are tight-buffer fiber surrounded by arimid yarn and a low-halogen outer jacket.
Description : What device sweeps a band of frequencies to determine frequencies and amplitudes of each frequency component?
Last Answer : Spectrum analyzer.
Description : To perform microminiature component repair, a 2M technician must be currently certified in what area?
Last Answer : Microminiature component repair.
Description : When removing the component, under what circumstances may component leads be clipped?
Last Answer : If the component is known to be defective or if the board may be damaged by normal desoldering.
Description : What term describes a device used to conduct heat away from a component?
Last Answer : A thermal shunt.
Description : In what direction are component leads clinched on single and double-sided boards?
Last Answer : In the direction of the run.
Description : How is oxide removed from pads and component leads?
Last Answer : A fine abrasive.
Description : A cylindrical copper block with resonant cavities around the circumference is used as what component of a magnetron?
Last Answer : Anode or plate
Description : The folded waveguide in a bwo serves the same purpose as what component in a twt?
Last Answer : Helix.
Description : What methods are used to prevent unwanted component interaction?
Last Answer : Ground planes, shielding, and component placement.
Description : The head driver circuit in a tape recorder’s direct record electronics component (figure 5-1) performs what function?
Last Answer : It takes the signal from the summing network, amplifies it, and sends it to the record head for recording.
Description : The control electronics component of a floppy or hard disk drive performs what three main functions?
Last Answer : a. Spins the disk at the correct speed. b. Moves the heads across the recording surface. c. Tells the write/read heads when to write data and when to read it.
Description : What component is used in a triode amplifier to convert variation in
Last Answer : A plate load resistor RL
Description : What component causes a generator to produce dc voltage rather than ac voltage at its output terminals?
Last Answer : A commutator
Description : What information must be known to determine the component values for a voltage divider?
Last Answer : The source voltage and load requirements (voltage and current).
Description : Which component in figure 3-7 develops the af signal at the input?
Last Answer : R1.
Description : When you are testing individual components in a circuit, what may cause a defective component to appear good?
Last Answer : A parallel resistor or diode of similar value.
Description : What physical component of a galvanometer provides the restoring force for the coil?
Last Answer : Phosphor bronze ribbons.
Description : What component supplies restoring force to the coil of the D’Arsonval meter movement?
Last Answer : Hairspring.
Description : What component of the D’Arsonval meter movement completes the circuit for current flow to the coil?
Description : A Hay bridge measures inductance by comparing an inductor to what component?
Last Answer : A capacitor.
Description : What is the primary component for a spark-gap modulator?
Last Answer : Either a fixed spark gap that uses a trigger pulse to ionize the air between the contacts, or a rotary gap that is similar to a mechanical switch.
Description : What unit of measurement refers to the torque of a synchro transmitter
Last Answer : Ounce-inches.
Description : The term TEMPEST refers to what?
Last Answer : Compromising emanations.
Description : The frequency response of test equipment refers to what aspect of ac voltage measurements?
Last Answer : the range of frequencies that can accurately be measured.
Description : In the system conceps, term organization ? implies structure and order refers to the manner in which each component fuctions with other components of the system refers to the holism of system means that part of the computer system depend on one another
Last Answer : implies structure and order