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Veseljchak [2.6K]
3 years ago
12

Assume a 100-m tape measures 3 mm too short. Five measurements of a distance give results of 253.294, 253.287, 253.289, 253.284,

253.297 m, respectively. Compute (show details) the following statistical quantities:
i) Mean

ii) Median

iii) Residuals

iv) Standard Deviation

Points only awarded to answers that use LaTeX and that show clear and concise step by step solutions that justify each step.

Engineering
1 answer:
mariarad [96]3 years ago
5 0

Answer:

attached below

Explanation:

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For This Answer Please See the Attached File.

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3 years ago
The "view factor" Fij depends on surface emissivity and surface geometry. a) True b) False
Alex

Answer:

(B) FALSE

Explanation:

view factor F_{ij} depends on the surface emissivity and the surface of geometry  view factor is the term used in radiative heat transfer. View factor is depends upon the radiation which leave the surface and strike the surface.View factor is also called shape factor configuration factor it is denoted by  F_{ij}

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In low speed subsonic wind tunnels, the value of test section velocity can be controlled by adjusting the pressure difference be
MArishka [77]

Answer:

Hence the given statement is false.

Explanation:

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3 years ago
Molten metal is poured into the pouring cup of a sand mold at a steady rate of 400 cm3/s. The molten metal overflows the pouring
umka2103 [35]

Answer:

the proper diameter at its base so as to maintain the same volume flow rate is 1.6034 cm

Explanation:

Given the data in the question ;

flowrate Q = 400 cm³/s

cross section of the sprue is round

Diameter of sprue at the top d_top = 3.4 cm

Height of sprue = 20 cm = 0.2 m³

the proper diameter at its base so as to maintain the same volume flow rate = ?

first we determine the velocity at the sprue base

V_base = √2gh = √( 2×9.81×0.2) = √3.924 = 1.980908 m = 198.0908 cm

so, diameter of the sprue at the bottom  will be

Q = AV = [ (( πd²_bottom)/4) × V_bottom ]

d_bottom =  √(4Q/πV_bottom)

we substitute

d_bottom =  √((4×400)/(π×198.0908 ))

d_bottom =  √( 1600/622.3206)

d_bottom =  √2.571022

d_bottom =  1.6034 cm

Therefore, the proper diameter at its base so as to maintain the same volume flow rate is 1.6034 cm

8 0
3 years ago
A hospitality organization wants to clear an area of forestland to start a new hotel. The environmental activists have filed a c
o-na [289]

Answer:

B. Public

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A ____________ is any group that has an actual or potential interest in or impact on an organization's ability to achieve its objectives.

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