Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
39 Cards in this Set
- Front
- Back
|
(200)1 Where are the explicit poerating instructions for test equipment, and which TO tells you where to find further information?
a Test Equipment front covers, 00-5-2. b Applicable technical orders, 00-5-2 c Test equipment front covers, 0-1-33-1 d Applicable technical orders, 0-1-33-1 |
d applicable technical orders, 0-1-33-1
|
|
|
(200)2 Repair and calibration of test equipment is the responsibilty if the
a user b manufacturer c test and measurement squandron d test measurement and diagnostic support center. |
PMEL
|
|
|
(200)3 When can a shop standard be used for routine maintenance functions?
a during critical alignments when accuracy is vital b If an emergency condition exists and like test equipment is inoperative. c when like items are not calibrated and preventitive maintenance inspections are due. d When normal shop items are at another location, and authorization has been provided. |
b If an emergency condition exists and like test equipment is inoperative.
|
|
|
(200)4 to eliminate moisture, most complex items of electronic test equipment use
a sealed cases b cooling fans c built-in heaters d aperature grommets |
c built-in heaters
|
|
|
(200)5 Which test equipment item is most likely to be tropicalized and fungu-proofed?
a laminated circuit borad b component socket c connector d relay |
a laminated circuit board
|
|
|
(200)6 Which of these is usually not affected by storing test equipment accessories improperly?
a maintenance procedures b intermittent troubles c unreliable indications d changes in their characteristics |
a maintenance procedures
|
|
|
(201)7 Of what should you be aware in taking voltage measurements?
a a voltmeter of low sensitivity used on a low range may render circuits inoperable b a voltmeter of high sensitivity used on a low range may render circuits inoperable c a voltmeter of high sensitivity used on a high range may render circuits inoperable d a voltmeter of low sensitivity used on a high range may render circuits inoperable |
a a voltmeter of low sensitivity used on a low range may render circuits inoperable
|
|
|
(201)8 Before measuring a resistance, you must sometimes unsolder one side of a resistor in order to
a ensure power is removed b prevent erroneous readings c prevent damage to meters and transistors d ensure all circuit resistance points are checked |
b prevent erroneous readings
|
|
|
(201)9 In troubleshooting equipment which of these measurements are not commenly taken?
a resistance b frequency c waveform d current |
d current
|
|
|
(201)10 What is the problem in measuring current with a multimeter with handheld probes?
a high risk of attenuation of the signal b high risk of electrical shock c erroneous readings d meter damage |
b high risk of electrical shock
|
|
|
(201)11 Which test set can you use to check the frequency of a transmitter?
a signal generator b digital multimeter c analog multimeter d frequency counter |
d frequency counter
|
|
|
(202)12 which component is not a troubleshooting aid?
a checkout and alignment procedures b system and unit programs c fault indicators d flow charts |
b system and unit programs
|
|
|
(202)13 What is the most important step in the troubleshooting effort?
a analyze the system operation b isolate the defective circuit c isolate the defective state d think before you act |
d think before you act
|
|
|
(203)14 in the established general troubleshooting procedures, steps 1 through 4 are used in
a testing and readjusting the circuit's operation b removing and replacing the defective part c locating the trouble d repairing the unit |
c locating the trouble
|
|
|
(204)15 What are fuhnctional inspections?
a visual inspections for corrosion, loose connections, or mechanical defects b visual inspections of mechanical aspects of the equipment c inspections done through frequent bench checks d inspections done throufh periodic tests |
d inspections done throufh periodic tests
|
|
|
(204)16 it's important to document periodic maintenance inspections because they reveal
a that some sort of failure exists in s suspected piece of equipment b that the possibilty of failure exists in a suspected piece of equipment c slow progressive drifts that may be too small to show up in any one test. d overall equipment inspections that may be too small to show up in any one test |
c slow progressive drifts that may be too small to show up in any one test.
|
|
|
(205)17 What troubleshooting technique wouldbe used to isolate a circuit card or module failure?
a in-house loopback b equipment subsitution c component replacement d internal diagnostice checks |
b equipment subsitution
|
|
|
(206)18 What type of test would you do to isolate a defective component?
a resistance measurement, voltage measurement, and waveform comparisons. b circuit, system, and equipment tests c preventitive maintenance tests d marginal checking |
a resistance measurement, voltage measurement, and waveform comparisons.
|
|
|
(206)19 the resistance values provided in TO resistance charts are normally measured between
a two indicated points b a resistor and a capacitor c capacitor and an inductor d the indicated point and ground |
d the indicated point and ground
|
|
|
(206)20 What safety prctices do you observe before making resistance checks?
a discharge all filter capacitors and ensure the meter and equipment are correctly grounded bensure the power is turned off and set the meter to the highest range cdischarge all the filter capacitors and set the meter to the highest range d ensure the power is turned off and discharge all filter capacitors. |
d ensure the power is turned off and discharge all filter capacitors.
|
|
|
(207)21 Regardless of the size of the circuit you are troubleshooting, you can immediatly isolate the defective half of a unit by which troubleshooting technique?
a half-split method b diagnostic tests c marginal checking d group removal and replacement |
a half-split method
|
|
|
(208)22 Which analog multimeter control do you use for AC/DC voltages, current and resistance measurements?
a range switch b voltage switch c function switch d zero ohms switch |
c function switch
|
|
|
(208) 23 Which control on the analog multimeter calibrates the meter's point to zero for a resistance measurement?
a zero ohms switch b function switch c voltage switch d range switch |
a zero ohms switch
|
|
|
(208)24 Which analog multimeter control must you depress to remove an overload condition and return the meter to its normal operation?
a zero ohms control b range switch c reset button d fuse switch |
c reset button
|
|
|
(209)25 When you make a resistance measurement, how do you electrically isolate a resistor from the circuit?
a remove power from the circuit b short both sides of the resistor c insulate both sides of the resistor d disconnect one side of the resistor |
d disconnect one side of the resistor
|
|
|
(209)26 How do you place multimeter test leads in a circuit to measure voltage?
a series b parallel c series-parallel d parallel-series |
b parallel
|
|
|
(209)27 In which type of circuit would you measure the AC component of an output voltage where both AC and DC voltage levels exist?
a filter b resonant c amplifier d differential |
c amplifier
|
|
|
(210)28 Which feature of the fluke 8025A multimeter do you use to select various maesurment functions?
a circuit jacks b rotary switch c range push button d touch-hold button |
b rotary switch
|
|
|
(210)29 Which part of the fluke 8025As display section indicates the absolute value of the input?
a digital b annunciator c range indicator d analog bar graph |
d analog bar graph
|
|
|
(210)30 Which feature of the fluke 8025A locks the measurement into the display for viewing and automatically updates the diplay when you take a new measurement?
a rotary switch b range push button c power-up self-test d touch-hold push button |
d touch-hold push button
|
|
|
(211) When you use the fluke8025A, which voltage range do you select to measure 50 volts DC?
a volts AC b volts DC c millivolts AC d millivolts DC |
b volts DC
|
|
|
(211)32 Which current range on the fluke 8025A do you select to measure 250 milliamps AC?
a microamps DC b microamps AC c milliamps/amp DC d milliamps/amps AC |
d milliamps/amps AC
|
|
|
(211)33 Which fluke 8025A multimeter function displays "OL" with the leads connected in one direction while reversing them produces a continuous audible tone?
a diode test b power-up self test c current measurement d resistance measurement |
a diode test
|
|
|
(212)34 How are voltage,time, and depth represented on the oscilloscope display?
a voltage=intensity, time = vertical axis, and depth = horizontal axis. b voltage = intensity, time = horizontal axis, depth = vertical axis. c voltage = horizontal axis, time = vertical axis, and depth = intensity. d voltage = vertical axis, time = horizontal axis, and depth = intensity. |
d voltage = vertical axis, time = horizontal axis, and depth = intensity.
|
|
|
(212)35 Which mode of triggering an oscilloscope causes a trace to be drawn on the screen at all times, whether there is an input signal or not?
a auto b norm c external d source |
a auto
|
|
|
(213) Which triggering source would be used to look for power line hum?
a external b internal c slope d line |
d line
|
|
|
(213)37 where should the volts/cm (volts/div) control be set to begin with?
a maximum setting b minimum setting c uncalibrated d horizontal |
a maximum setting
|
|
|
(213)38 which control should you adjust of the display is too tall(extends off screen)?
a volts/cm b time/cm c triggering d input coupling |
a volts/cm
|
|
|
(214)39 whichoscilloscope probe is essentially just a shielded piece of wire?
a current probe b passive 1:1 probe c active field effect transistor probe d passive divider 1:10 probe |
b passive 1:1 probe
|
