Chat with AIExam 5: Audio Signal-Processing, Amplification, and Reproduction Equipment and National Electrical Code Article 640
Exam 1: Introduction to the National Electrical Code30 Questions
Exam 2: Electrical Conductors and Cable30 Questions
Exam 3: Grounding and Bonding and the 2011 National Electrical Code, Articles 250, 800, 810, and 82030 Questions
Exam 4: Audio Physics30 Questions
Exam 5: Audio Signal-Processing, Amplification, and Reproduction Equipment and National Electrical Code Article 64030 Questions
Exam 6: Networking and Information Technology Equipment30 Questions
Exam 7: Power Supplies, Batteries, and Emergency Systems30 Questions
Exam 8: Article 725 of the National Electrical Code; Classification of Circuits30 Questions
Exam 9: Fire Alarm Systems and National Electrical Code Article 76030 Questions
Exam 10: Fiber-Optic Cable and National Electrical Code Article 77030 Questions
Exam 11: Telecommunications, and National Electrical Code Article 80030 Questions
Exam 12: Security and Card Access System Basics30 Questions
Exam 13: Wireless Communications and National Electrical Code Article 81030 Questions
Exam 14: Close Circuit Television Camera Systems and National Electrical Code Article 82030 Questions
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What audio device converts an electrical current back into a mechanical vibration to reproduce sound?
(Multiple Choice)
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(26) External, wall-mount volume controls are made from adjustable audiotransformers.
(True/False)
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(43) Match the description in the left column with the correct polar pattern in the right column and place the answer in the corresponding blank on your answer sheet. Some polar patterns may be used more than once.
Premises:
________ Most widely used in loud environments
Responses:
Omni-directional
Cardioid
Bi-directional
Correct Answer:
Verified
VerifiedPremises:
Responses:
(Matching)
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(44) Match the description in the left column with the correct polar pattern in the right column and place the answer in the corresponding blank on your answer sheet. Some polar patterns may be used more than once.
Premises:
________ Barely allows a 60-degree window of detection along the front of the diaphragm
Responses:
Dual Diaphragm
Cardioid
Uni-directional
Correct Answer:Verified
VerifiedPremises:
Responses:
(Matching)
4.8/5 (28)
(28) Match the description in the left column with the correct polar pattern in the right column and place the answer in the corresponding blank on your answer sheet. Some polar patterns may be used more than once.
Premises:
________ Most widely used in detecting the overall sound image of an environment
Responses:
Uni-directional
Shotgun
Cardioid
Correct Answer:Verified
VerifiedPremises:
Responses:
(Matching)
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(28) What piece of test equipment is designed to measure the frequency response of a room?
(Multiple Choice)
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(42) Balanced, low-impedance microphones will most likely use a/an __________ connector?
(Multiple Choice)
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(31) The internal source resistance of a microphone and the capacitance of the microphone cable form what type of filter network at the input of the amplifier?
(Multiple Choice)
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(37) The power amplifier is the last stage of amplification between the signal input and the output speakers.
(True/False)
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(41) When wiring audio equipment using metal racks, what are the requirements for grounding?
(Multiple Choice)
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