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MariettaO [177]

3 years ago

15

Why is there an Engineering Process?

2 answers:

Inga [223]3 years ago

8 0

There is a engineering process to plan your work out better!

Studentka2010 [4]3 years ago

7 0

Answer:

well if there wasnt a process tony starks suit wouldn’t work properly, and it would probably fall apart. it is to make sure everything works exactly as they planned, our civilization has gotten this far because we created rules on how to build stuff.

Explanation:

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What are the advantages of triggering circuit<br> for thyrestors?

sergejj [24]

Answer:

For most applications, it is simple, dependable, efficient, and straightforward to apply - a simple trigger signal may be provided, with appropriate processing if necessary. This implies that an appropriate trigger signal may be generated using other electrical circuits and then applied to the SCR.

Explanation:

3 0

3 years ago

A pipeline (NPS = 14 in; schedule = 80) has a length of 200 m. Water (15℃) is flowing at 0.16 m3/s. What is the pipe head loss f

dangina [55]

Answer:

Head loss is 1.64

Explanation:

Given data:

Length (L) = 200 m

Discharge (Q) = 0.16 m3/s

According to table of nominal pipe size , for schedule 80 , NPS 14, pipe has diameter (D)= 12.5 in or 31.8 cm 0.318 m

We know, $head\ loss = \frac{f L V^2}{( 2 g D)}$

where, f = Darcy friction factor

V = flow velocity

g = acceleration due to gravity

We know, flow rate Q = A x V

solving for V

$V = \frac{Q}{A}$

$= \frac{0.16}{\frac{\pi}{4} (0.318)^2} = 2.015 m/s$

obtained Darcy friction factor

calculate Reynold number (Re) ,

$Re = \frac{\rho V D}{\mu}$

where, $\rho$ = density of water

$\mu$ = Dynamic viscosity of water at 15 degree C = 0.001 Ns/m2

so reynold number is

$Re = \frac{1000\times 2.015\times 0.318}{0.001}$

= 6.4 x 10^5

For Schedule 80 PVC pipes , roughness (e) is 0.0015 mm

Relative roughness (e/D) = 0.0015 / 318 = 0.00005

from Moody diagram, for Re = 640000 and e/D = 0.00005 , Darcy friction factor , f = 0.0126

Therefore head loss is

$HL = \frac{0.0126 (200)(2.015)^2}{( 2 \times 9.81 \times 0.318)}$

HL = 1.64 m

7 0

3 years ago

Ammonia is one of the chemical constituents of industrial waste that must be removed in a treatment plant before the waste can s

Yanka [14]

Answer:

Following is attached the solution or the question given.

I hope it will help you a lot!

Explanation:

5 0

3 years ago

Training is a way for employers to provide ____ to enable employees to protect themselves and others from injuries.

Andreyy89

Answer:

Training is a way for employers to provide tools to enable employees to protect themselves and others from injuries.

Explanation:

5 0

3 years ago

Read 2 more answers

The operating sequence to light the main burners on an intermittent pilot system is:______.

11111nata11111 [884]

The pilot valve and spark igniter are energized, the pilot flame is proved, and then the main gas valve is energized.

7 0

2 years ago