Engineering, 29.05.2020 06:59 kaitlyn0123
Rachel is the chief lighting technician on a film set. She notices that the lights being used heat up very quickly, and immediately gets them replaced. What type of lights is she most likely to use?
A.
incandescent lights
B.
fluorescent lights
C.
tungsten lights
D.
halogen lights
E.
LED lights
Answers: 2
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Answers: 1
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Amixture of slurry and mud is to be pumped through a horizontal pipe of diameter 500 mm. the fluid behaves as a bingham plastic with a yield stress of 30 pa and viscosity 0.04 pa.s. describe the effects of the shear stress through a transverse section of the pipe by plotting the variation in shear stress and velocity profile: (i) just before the slurry starts to move (ii) as the slurry flows when the pressure gradient is double that in part (i)
Answers: 3
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The short distance from the objective lens to the object causes problems at high magnification. which of the following is the most serious? a. cleaning the object surface b. positioning the object c. reflection from the object surface. d. illumination of the object
Answers: 1
Engineering, 04.07.2019 19:20
A5 kg block of fe is dropped into a very large vat of water. the fe and water initial temperatures are 95 and 25 c, respectively. the fe final temperature is 25 c and the water can be treated as a thermal reservoir,. treated as a thermal reservoir take the water to be the system and determine the entropy generation. report vour answer in kj/k.
Answers: 1
Rachel is the chief lighting technician on a film set. She notices that the lights being used heat u...
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