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3 years ago

Engineer drawing: How can i draw this? Any simple way?

Engineering

1 answer:

Anastasy [175]3 years ago

6 0

Make 4 triangles left right up down and they must be connected with no gaps then make more triangles into the triangle about three times for each of them then add rectangles or lines to the drawing

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A wastewater treatment plant discharges 1.0 m3/s of effluent having an ultimate BOD of 40.0 mg/ L into a stream flowingat 10.0 m

kondaur [170]

Answer:

a) 6.4 mg/l

b) 5.6 mg/l

Explanation:

Given data:

effluent Discharge Q_w = 1.0 m^3.s

Ultimate BOD L_w = 40 mg/l

Discharge of stream Q_r = 10 m^3.s

Stream ultimate BOD L_r = 3 mg/l

a) Ultimate BOD of mixture $= \frac{Q_w l_w + Q_r L_r}{Q_w + Q_r}$

$= \frac{1*40 + 10*3}{10 +1} = 6.4 mg/l$

b) utlimate BOD at 10,000 m downstream

$t =\frac{distance}{speed} = \frac{10,000}{\frac{Q_r +Q+w}{55}} \times \frac{hr}{3600} \times \frac{day}{24 hr}$

putting $Q_r + Q_w = 1+ 10 = 11 m^3/s$

t = 0.578 days

we know

$L_t = L_o e^{-kt}$

$L_t = 6.4 \times e^{-0.22 \times 0.578}$

$L_t = 5.6 mg/l$

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3 years ago

19. A circuit contains four 100 S2 resistors connected in series. If you test the circuit with a digital VOM,

yanalaym [24]

Answer:

Explanation:

in series circuit the resistance is divided Total resistance is equal to the sum of resistances

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3 years ago

A 40kg steel casting (Cp=0.5kJkg-1K-1) at a temperature of 4500C is quenched in 150kg of oil (Cp=2.5kJkg-1K-1) at 250C. If there

podryga [215]

Of the oil I hope this help

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3 years ago

Need Answers Quick!!!! What is the purpose of structural components such as frames, bearings, and mounts? A.) Connect two rotati

elixir [45]

Answer:

D.) Transfer input energy from the power source throughout the machine.

Explanation:

Since the complex abnormalities of energy efficiency is depicted by the autonomy within self-operating machines, the correct answer is D.

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3 years ago

If you want to obtain a Class E license before you turn 18, you must______. A. be in compliance with school attendance requireme

Makovka662 [10]

Answer:

The correct option is;

A. be in compliance with school attendance requirements

Explanation:

The requirements to acquire a special restricted driver's license for driver's license for under under 18 that have had a beginner's for up to 180 days include a minimum of 40 hours driving practice 10 of which should be in the dark. The application for the conditional drivers license is to be signed by the parent or guardian and the application is to be accompanied with proof of acceptable school attendance

At 17, after holding the special restricted drivers licence for a year without issues you can obtain the full drivers license.

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3 years ago