Description : What are the four basic sections to a power supply?
Last Answer : Transformer, rectifier, filter, regulator.
Description : Is there any particular reason, any valid reason, why laptop power supply cords, etc. tend to come in two sections?
Last Answer : You just read my mind lady! It’s so irritating when the cord to the box and electrical outlet wriggles loose and I’m checking the cord at the portal site. ARGH, FARKING ARGH! Or when I wrapping up for the evening then it becomes disconnected just as I’ve made a nice little bundle. Bastards.
Description : Which of the listed sections of an emergency switchboard is used to supply power for alarm signals under emergency conditions? A. The generator and bus transfer section B. The 450 volt, 60 cycle, 3 phase bus C. The 120 volt, 3 phase, 60 cycle bus D. The 24 volt DC bus
Last Answer : Answer: D
Description : In the NPN transistor, what section is made very thin compared with the other two sections?
Last Answer : The P or base section.
Description : What are the names of the sections that make up the cpu?
Last Answer : Control section, internal storage section, and arithmetic-logic section.
Description : How many sections make up the central processing unit?
Last Answer : Three.
Description : Name the three main sections of a typical rf signal generator.
Last Answer : Oscillator circuit, modulator, and output control circuit.
Description : What are the two major sections of a typical AM transmitter?
Last Answer : Rf and af units.
Description : What are the four basic parts of a magnetic tape recorder's tape transport system?
Last Answer : a. Tape reeling system. b. Tape speed control system. c. Electronic subsystem. d. Basic enclosure.
Description : What are the four basic receiver characteristics?
Last Answer : Sensitivity, noise, selectivity, and fidelity.
Description : What four basic functions must a receiver perform?
Last Answer : Reception, selection, detection, and reproduction.
Description : What are the four basic transmitter types?
Last Answer : Am, fm, cw, ssb.
Description : P shows a basic schematic of how an airbrush works. In the options, the green sections are seals. Of these options, which of the design concepts of an airbrush will work continuously until the liquid in the container is exhausted up to the dotted line?
Last Answer : C,D
Description : If a power supply produces 20 volts with no load and 15 volts under full load, what is the percent of regulation?
Last Answer : 33.33%
Description : What is the commonly used figure of merit for a power supply?
Last Answer : Percent of regulator.
Description : What are the purposes of the transformer in a power supply?
Last Answer : It couples the power supply to the ac line voltage, isolates the ac line voltage from the load, and steps this voltage up or down to the desired level.
Description : What can be added to the basic two-cavity klystron to increase the amount of velocity modulation and the power output?
Last Answer : Intermediate cavities between the input and output cavities.
Description : Name the national political party which espouses secularism and welfare of weaker sections and minorities. Mention any four features of that party. -SST 10th
Last Answer : Indian National Congress (INC) espouses secularism and welfare of weaker sections and minorities. Four features of the party: 1. It was found in 1885 and is one of the oldest parties in the ... centrist party. 4. Its support declined after 1989 but it remains to be present throughout the country.
Description : Name the four sections of the Golden Quadrilateral. -SST 10th
Last Answer : The four sections are: (i) Delhi-Kolkata NH 2 (ii) Chennai-Mumbai NH 4 / 7 / 46 (iii) Kolkata-Chennai NH 5 (iv) Mumbai-Delhi NH 8 / 76 / 79
Description : determining stresses in frames by methods of sections, the frame is divided into two parts by an imaginary section drawn in such a way as not to cut more than (A) Two members with unknown forces ... C) Four members with unknown forces of the frame (D) Three members with known forces of the frame
Last Answer : (B) Three members with unknown forces of the frame
Description : Basic operating characteristics of the operational amplifier such as gain and stability are the function of its _____________. A. differential input stage B. power output stage C. feedback circuit D. supply voltages
Last Answer : Answer: C
Description : How does the supply voltage affect the accuracy of Wheatstone bridge measurements?
Last Answer : As the supply voltage increases, bridge components may heat up and become less accurate.
Description : . After rewinding a tape onto its supply reel, you examine the tape pack and notice pile-ups of tape resembling the example in figure 2-2. What causes this condition?
Last Answer : The tape is stopped too quickly when winding or rewinding.
Description : What term applies to the use of two or more generators to supply a common load?
Last Answer : Parallel operation.
Description : If the load requirement consists of both positive and negative voltages, what technique is used in the voltage divider to supply the loads from a single voltage source?
Last Answer : The ground (reference point) is placed in the proper point in the voltage divider so that positive and negative voltages are supplied
Description : What is a disadvantage of a direct-current system with respect to supply voltage?
Last Answer : the dc voltage must be generated at the level required by the load.
Description : The amount of optical power coupled into an optical fiber depends on what four factors?
Last Answer : (1) The angles over which the light is emitted. (2) The size of the source's light-emitting area relative to the fiber core size. (3) The alignment of the source and fiber. (4) The coupling characteristics of the fiber (such as the NA and the refractive index profile)
Description : What are the basic requirements for any splice or terminal connection?
Last Answer : The connection must be both mechanically and electrically as strong as the conductor or device with which it is used
Description : The magic-T is composed of what two basic types of T junctions?
Last Answer : E-type and H-type.
Description : What are the two basic types of T junctions?
Description : What are the three basic characteristics of sound
Last Answer : Pitch, intensity, and quality.
Description : What are the three basic requirements for sound?
Last Answer : A source, medium, and detector (receiver).
Description : In the basic transistor amplifier discussed earlier, what is the relationship between the polarity of the input and output signals?
Last Answer : The signals are opposite in polarity or 180 degrees out of phase with each other.
Description : Name the two basic elements of the SCLSIS program
Last Answer : Validation and updating
Description : What is the basic principle of a magnetic amplifier?
Last Answer : change in inductance in a series LR circuit causes a change in true power.
Description : The two basic types of voltage regulators are ___ and ___
Last Answer : Series and shunt.
Description : What is the most basic type of filter?
Last Answer : The capacitor filter.
Description : What the three basic components make up the typical magnetic amplifier?
Last Answer : Two saturable reactors and a transformer.
Description : What is the basic difference between the primaries of ac and dc rate generators?
Last Answer : The method of primary excitation (ac and permanent magnet).
Description : What two basic types of magnetic devices are used as error detectors?
Last Answer : E-transformer and control transformers.
Description : What basic requirement of a closed-loop system (not present in open-loops) enables present load position to be sensed?
Last Answer : Feedback.
Description : What types of diagrams are the most convenient from which to learn the basic Functions of a circuit?
Last Answer : Block or single-line diagram.
Description : What is the term used to describe the basic frequency of a radio wave?
Last Answer : Fundamental frequency.
Description : What is the term used to describe a whole number multiple of the basic frequency of a radio wave?
Last Answer : Harmonic frequency or harmonics.
Description : What are the two basic types of transmitters?
Last Answer : Keyed oscillator and power-amplifier chain.
Description : Which of the basic timing circuits produces sharp trigger pulses directly?
Last Answer : Blocking oscillators.
Description : What basic circuits meet the requirements of an externally synchronized master oscillator?
Last Answer : Sine-wave oscillator, single-swing blocking oscillator, and master trigger (astable) multivibrator.
Last Answer : . Keyed oscillator and power-amplifier chain.