Page 366 - GMAT 2017b_Neatb

Electronics Information Test 2

(B) electrical transmission wires placed too close to 48. What does a hertz measure?
digital communications wires. (A) the amperage of a device
(C) atmospheric events involving the Earth’s magnetic (B) the voltage of a device
field. (C) the decibels of a sound
(D) all the above (D) the frequency of a sound wave

42. What class of fire would an electrical fire be? 49. According to North American electrical standards,
(A) Class A what is the standard configuration for granted wire
(B) Class B insulation?
(C) Class C (A) green wires
(D) Class D (B) bare copper wires
(C) both A and B
43. The national standard in the United States for safe (D) neither A nor B
installation of electrical wiring and equipment is the
National Electrical Code (NEC). This standard is 50. What type of pliers is depicted here?
maintained and modified, as needed, every three years
by the
(A) individual state or country Association
(B) National Fire Protection Association (NFPA).
(C) National Institute for Standards and Technology
(NIST).
(D) Environmental Protection Agency (EPA)
44. Which schematic symbol represents a NOR gate? (A) wire cutting pliers
(B) combination pliers
(A) (C) needlenose pliers
(D) crimping pliers
(B) 51. Which of the following is needed to produce
electrical power from fossil fuels?
(A) a dam
(C) (B) a wind turbine
(C) tidal forces
(D) heat

(D) 52. Compressed air can be used to
(A) put out a fire
(B) cool solder joints
45. Which of the following is not a sensor? (C) provide air to breathe in an emergency
(A) a photobell (D) blow dust off electric parts.
(B) a light -emitting diode
(C) a photodiode 53. What would probably be the effect of 6-9mA of 60 Hz
(D) a phototransistor of AC current on a body?
(A) There will be a slight tingling sensation.
46. Microphones convert sound waves into electrical (B) Pain will be felt but muscle control is still
energy. Which type of microphone uses a magnet to possible.
convert sound waves to electrical signals? (C) Pain will be felt and muscle control is lost.
(A) the crystal microphone (D) There will be difficulty breathing.
(B) the condenser microphone
(C) the dynamic microphone 54. What does the following schematic symbol
(D) the fiber optic microphone represent?

47. Which of the following criteria is NOT used to rate
speakers?
(A) polarity (A) a battery
(B) frequency range (B) a chassis ground
(C) impedance (C) an earth ground
(D) power (D) a signal ground

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