The Resistance of wire of length
55cm and diameter of 0.007cm at
10ohms calculate the resisti...
Engineering, 12.03.2021 07:30 lucy8070
The Resistance of wire of length
55cm and diameter of 0.007cm at
10ohms calculate the resistivity of the
material of
i) calculate the conductivity of the
Material.
Answers: 2
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Which of the following components of a pid controlled accumulates the error over time and responds to system error after the error has been accumulated? a)- proportional b)- derivative c)- integral d)- on/off.
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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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With increases in magnification, which of the following occur? a. the field of view decreases. b. the ambient illumination decreases. c. the larger parts can be measured. d. the eyepiece must be raised.
Answers: 1
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