Description : What is used to provide the ohmmeter with several ranges?
Last Answer : An ohmmeter has several internal range resistors and a switch or a series of jacks to select the proper range.
Description : What is used to allow an ammeter to measure different ranges?
Last Answer : Shunt resistors (internal or external).
Description : When taking a voltage measurement, which lead of the voltmeter should you connect to the circuit first?
Last Answer : Ground.
Description : On what range should you set the voltmeter prior to taking a voltage measurement?
Last Answer : Highest.
Description : If an ac voltmeter is connected between the S2 and S3 windings on a TX, at what two rotor positions should the voltmeter read maximum voltage?
Last Answer : . 150º and 330º
Description : What should a voltmeter read when a TX is set on coarse zero?
Last Answer : Approximately 37 volts.
Description : What is the advantage of using a battery test set versus a voltmeter to test batteries?
Last Answer : A battery test set will test batteries under load conditions.
Description : What is the general function of the differential voltmeter?
Last Answer : To compare an unknown voltage with a known reference voltage and indicate the difference in their values.
Description : Why would you use a hook-on voltmeter instead of a multimeter?
Last Answer : To measure current safely and easily (with no need to disconnect the wiring of the circuit).
Description : Why should you always use the highest range when connecting a voltmeter to a circuit?
Last Answer : To prevent excess current through the meter movement.
Description : What is voltmeter sensitivity?
Last Answer : It is an indication of the resistance of the meter expressed in ohms per volt. The total resistance of the meter is the sensitivity multiplied by the full-scale voltage.
Description : How is the loading effect of a voltmeter kept to a minimum?
Last Answer : A voltmeter must have a high resistance compared to the circuit being measured.
Description : What is the loading effect of a voltmeter?
Last Answer : The connection of a voltmeter adds a resistance in parallel with the circuit changing the total circuit resistance, and loads the circuit.
Description : How is a voltmeter connected to the circuit to be measured?
Last Answer : In parallel.
Description : What electrical quantity is measured by a voltmeter?
Last Answer : Voltage.
Description : What term is used to express the sensitivity of a voltmeter?
Last Answer : Ohms per volt
Description : When making voltage measurements in a high-resistance circuit, you should always use a voltmeter with what relative value of resistance?
Last Answer : . High.
Description : What are the advantages of using a differential voltmeter?
Last Answer : Accuracy and high input impedance.
Description : What six types of environmental damage can occur to tapes in storage when the ideal temperature and humidity ranges are exceeded?
Last Answer : Tape deformation, oxide shedding, head-to-tape sticking, layer to-layer sticking, dirt build-up, and excessive tape and head wear.
Description : Environmental damage to magnetic tape can occur when the tape is stored in an area that exceeds what ideal temperature and humidity ranges?
Last Answer : Ideally, use and store tape at 60 to 80º F and at 40 to 60% relative humidity.
Description : Besides setting up the meter for expected voltage ranges, what must be strictly observed when taking dc voltage readings?
Last Answer : Polarit
Description : What was the purpose of several computer manufacturers cooperating to develop ASCII code for processing and transmitting data?
Last Answer : To standardize a binary code to give the computer user the capability of using several machines to process data regardless of the manufacturer.
Description : In 1969, what did several scientists conclude about optical fiber loss?
Last Answer : mpurities in the fiber material caused the signal loss in optical fibers. The basic fiber material did not prevent the light signal from reaching the end of the fiber.
Description : To determine the state of charge of a nickel-cadmium battery, you should ___________. A. check the electrolyte with a hydrometer B. use the constant specific gravity method C. use a nonbreakable mercury thermometer D. connect a voltmeter to the battery terminals
Last Answer : Answer: D
Description : A resistance in a circuit of unknown value is to be tested using the voltmeter/ammeter method. Therefore, the meters should be connected with _____________. A. both meters in series with the ... parallel with the resistance D. the ammeter in parallel and the voltmeter in series with the resistance
Last Answer : Answer: C
Description : A Kelvin electrostatic voltmeter uses what method of damping?
Last Answer : fluid friction
Description : What type filter is used to allow a narrow band of frequencies to pass through a circuit and attenuate all other frequencies above or below the desired band?
Last Answer : Bandpass.
Description : What do the smaller circuits in third generation computers allow for?
Last Answer : Faster internal processing speeds.
Description : Determine the correctness or otherwise of the following Assertion [a] and the Reason [r]. Assertion: Fast decoupled load flow method gives approximate load flow solution because it uses several assumptions. Reason: Accuracy ... the correct reason for [a]. c) [a] is false and [r] is true.
Last Answer : c) [a] is false and [r] is true
Description : Delta Air Lines wishes to purchase five new aeroplanes. Management seeks information from several aircraft manufacturers, screens the offers, and discusses price and terms of sale with the preferred company until a ... method of pricing is: A)administered. B)sealed bid. C)open bid. D)negotiated.
Last Answer : D)negotiated.
Description : A grocery shop wants to order several dozen large grade 1 eggs from its local supplier. The shop's buyer will most likely use which purchase method: A)description B)sampling C)negotiation D)inspection
Last Answer : A)description
Description : Can you allow a class to be inherited, but prevent the method from being overridden?
Last Answer : Yes. Just leave the class public and make the method sealed
Description : Can you allow a class to be inherited, but prevent the method from being over-ridden?
Last Answer : Yes. Just leave the class public and make the method sealed.
Description : Can you allow class to be inherited, but prevent the method from being overridden?
Last Answer : Yes, just leave the class public and make the method sealed.
Description : ___________is an open protocol, initiated by Blaine Cook and Chris Messina, to allow secure API authorization in a simple, standardized method for various types of web applications. a) OAuth b) OpenID c) SAMIL d) LID
Last Answer : OAuth
Description : What is the most common method of terminating and splicing wires?
Last Answer : The use of preinsulated splices and terminal lugs
Description : What is the preferred method for stripping wire?
Last Answer : By use of a wire-stripping tool
Description : Loose or inefficient coupling of energy into or out of a waveguide can be accomplished by the use of what method?
Last Answer : Slots and apertures.
Description : What method provides the widest bandpass?
Last Answer : A swamping resistor in parallel with the tuned circuit.
Description : What method for checking transistors is cumbersome when more than one transistor is bad in a circuit?
Last Answer : The substitution method.
Description : Which biasing method is the most unstable?
Last Answer : Base current bias or fixed bias.
Description : What restrictions are placed on the use of the electrical lock method?
Last Answer : It can be used only if the leads of the synchro are accessible and the rotor is free to turn.
Description : What method of zeroing a synchro is perhaps the fastest but NOT necessarily the most accurate?
Last Answer : . The electrical lock method.
Description : What method is used to prevent oscillations in large synchro units?
Last Answer : Mechanical damping.
Description : In flowcharting, what method is used to represent different operations, data flow, equipment, and so forth?
Last Answer : Different shaped symbols.
Description : What transmission method uses a stable cw reference oscillator, which is locked in phase with the transmitter frequency?
Last Answer : Pulse-Doppler.
Description : What transmission method does NOT depend on relative frequency or target motion?
Last Answer : Pulse modulation.
Description : The Doppler method of object detection is best for what type objects?
Last Answer : Fast-moving targets.
Description : Which method, vapor phase oxidation or direct-melt process, transforms deposited material into a solid glass preform by heating the porous material without melting?
Last Answer : Vapor phase oxidation.