Engineering, 22.11.2021 22:50 stellaglenn205
Explain mathematically whether the divergence of the curl of a vector field is solenoidal or not?
Answers: 3
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The mass flow rate of the fluid remains constant in all steady flow process. a)- true b)- false
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Steel is coated with a thin layer of ceramic to protect against corrosion. what do you expect to happen to the coating when the temperature of the steel is increased significantly? explain.
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Consider a large isothermal enclosure that is maintained at a uniform temperature of 2000 k. calculate the emissive power of the radiation that emerges from a small aperture on the enclosure surface. what is the wavelength ? , below which 10% of the emission is concentrated? what is the wavelength ? 2 above which 10% of the emission is concentrated? determine the wavelength at which maximum spectral emissive power occurs. what is the irradiation incident on a small object placed inside the enclosure?
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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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Explain mathematically whether the divergence of the curl of a vector field is
solenoidal or not?...
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