Which of the following questions should a speaker ask themselves about their audience?
A) Why...
Engineering, 28.03.2020 01:38 Will1119
Which of the following questions should a speaker ask themselves about their audience?
A) Why has the audience been brought together?
B) What does the audience already know or need to know?
C) Why should the audience be interested in the topic?
D) All of the above
Answers: 2
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If a particle moves along a path such that r : (3 sin t) m and ? : 2t rad, where t is in seconds. what is the particle's acceleration in m/s in 4 seconds? a)- 16.43 b)- 16.29 c)- 15.21 d)- 13.79
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Which of the following controllers anticipates the future from the slope of errors over time? a)-proportional b)-on/off c)-integral d)-derivative.
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Awall of 0.5m thickness is to be constructed from a material which has average thermal conductivity of 1.4 w/mk. the wall is to be insulated with a material having an average thermal conductivity of 0.35 w/mk so that heat loss per square meter shall not exceed 1450 w. assume inner wall surface temperature of 1200°c and outer surface temperature of the insulation to be 15°c. calculate the thickness of insulation required.
Answers: 3
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