Page 367 - GMAT 2017b_Neatb

Electronics Information Test 2

55. Which of the following will NOT help to minimize 61. A circuit breadboard is used
static electricity? (A) to easily build and break down circuits.
(A) wearing cotton clothing (B) to solder parts together.
(B) anti-static wrist straps (C) to prepare all the parts of a circuit.
(C) wearing polyester clothing (D) to build permanent circuits.
(D) anti-static mats
62. Why is flux used with electronic soldering?
56. Copper electrical wiring is preferable to aluminum (A) to prevent the formation of oxides
electrical wiring because (B) to facilitate the flow of solder onto on electronic
(A) aluminum heats up and expands more than copper connection
wire. (C) to enhance the fusing of he solder as it cools
(B) aluminum cools down and contracts more than (D) none of the above
copper wire.
(C) aluminum oxidation creates a resistance to the 63. A cold solder joint is
electrical flow. (A) brittle and weaker than a hot solder joint
(D) all the above. (B) not good at conducting electricity
(C) both A and B
57. Which of the following schematic symbols depicts a (D) neither A or B
single on-off switch?
64. “Wire wrapping” is
(A) (A) used only in large electronic arrays.
(B) a means of identifying electronic parts.
(B) (C) a means of assembling electronics.
(D) used as an emergency repair.

(C) 65. What does the following schematic symbol
represent?
(D)

58. If in a schematic’s parts list you see “R2: 47 kW,” what
does this indicate? (A) a speaker
(A) There are at least two relays and the second one (B) a thermostat
relays 47 kW. (C) a piezoelectric buzzer
(B) There are at least two resistors and the second one (D) a microphone
handles 47 kW.
(C) There are at least two relays that handle a total of 47 66. What does a multimeter measure?
(A) voltage
kW.
(D) There are at least two resistors and combined they (B) current
(C) resistance
handle 47 kW.
(D) all the above
59. What do the following schematic symbols represents?
67. What does the abbreviation “mA” mean in relation to
I. amperes?
(A) microamps
II.
(A) I is a capacitor and II is a resistor. (B) multiamps
(B) I is a battery and II is a resistor. (C) milliamps
(D) none of the above
(C) Both are resistors.
(D) I is a capacitor and II is a resistor.
68. What does the following schematic symbol represent?
60. In Europe, how is a brown wire used?
(A) Brown wires are not allowed.
(B) It is a ground.
(C) It is neutral.
(D) It is live. (A) a wavelength
(B) an open circuit
(C) a multimeter
(D) an oscilloscope

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