1) Speech level for normal conversation with little background noise would be at what level? a) 65 dB b) 75 dB c) 85dB d) Below 50dB
1) Speech level for normal conversation with little background noise would be at what level? a) 65 dB b) 75 dB c) 85dB d) Below 50dB
Chapter29: Service-entrance Calculations
Section: Chapter Questions
Problem 3R: a. What is the ampere rating of the circuits that are provided for the small-appliance loads? _____...
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![1) Speech level for normal conversation with little background noise would be at what level?
a) 65 dB
b) 75 dB
c) 85dB
d) Below 50DB
2) Navigation aids and other spatial maps are mostly used for what population of people???
3) Therbligs are 18 kinds of elemental motions that make up a set of fundamental motions required for a
worker to perform a manual operation or task. Who developed these motions?
a) Human Factors
b) Robots
c) Frank Gilbreth
d) U.S. Military
4) Frequency differences are indicated by the ability of people to tell a slight difference between
pure tones of different frequencies. What is this concept called?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc1f21b98-12f6-49a1-932e-d2f2525f3450%2F59c2816c-0308-4f4a-a35c-eacc593be0b9%2Fb4gq18e_processed.png&w=3840&q=75)
Transcribed Image Text:1) Speech level for normal conversation with little background noise would be at what level?
a) 65 dB
b) 75 dB
c) 85dB
d) Below 50DB
2) Navigation aids and other spatial maps are mostly used for what population of people???
3) Therbligs are 18 kinds of elemental motions that make up a set of fundamental motions required for a
worker to perform a manual operation or task. Who developed these motions?
a) Human Factors
b) Robots
c) Frank Gilbreth
d) U.S. Military
4) Frequency differences are indicated by the ability of people to tell a slight difference between
pure tones of different frequencies. What is this concept called?
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