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ANTONII [103]
3 years ago
11

What kind of analysis would be conducted to identify project costs?

Engineering
1 answer:
PolarNik [594]3 years ago
5 0

Answer: C. financial analysis

Explanation:

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DUS 14. Next → Post Test: Engineering Systems and Te 14 Select the correct answer.. Which of these is a unit of heat? O A. joule
salantis [7]

Answer:

The answer is A.) joule

Explanation:

a joule is the heat unit and the watt is the measure of heat transfered.

6 0
3 years ago
For the SR-latch below high levels of Set and Reset result in Q= 1 and 0, respectively. The next state is unknown when both inpu
dusya [7]

Answer:

hello your question lacks the required image attached to this answer is the image required

answer :  NOR1(q_) wave is complementary to NOR2(q)

Explanation:

Note ; NOR 2 will be addressed as q in the course of this solution while NOR 1 will be addressed as q_

Initial state is unknown i.e q = 0 and q_= 1

from the diagram the waveform reset and set

= from 0ns to 20ns reset=1 and set=0.from the truth table considering this given condition q=0 and q_bar=1 while  

from 30ns to 50ns reset=0 and set=1.from the truth table considering this condition q=1 and q_bar=1.so from 35ns also note there is a delay of 5 ns for the NOR gate hence the NOR 2 will be higher ( 1 )

From 50ns to 65ns both set and reset is 0.so NOR2(q)=0.

From 65 to 75 set=1 and reset=0,so our NOR 2(q)=1 checking from the truth table

also  from 75 to 90 set=1 and reset=1 , NOR2(q) is undefined "?" and is mentioned up to 95ns.

since q_ is a complement of q, then NOR1(q_) wave is complementary to NOR2(q)

3 0
3 years ago
11. What are restrictions when building or completing a challenge?
katrin [286]

Explanation:

The minimum exterior open spaces around buildings that are 55 metres or more, should be 16 metres. On sides where no habitable rooms face, a minimum space of 9 metres shall be left for heights above 27 metres.

3 0
2 years ago
Propylene (C3H6) is burned with 50 percent excess air during a combustion process. Assuming complete combustion and a total pres
LekaFEV [45]

Answer:

44.59°c

Explanation:

Given data :

Total pressure = 105 kpa

complete combustion

A) Determine air-fuel ratio

A-F = \frac{N_{air} }{N_{fuel} }  = \frac{(Nm)_{air} }{(Nm)_{c} (Nm)_{n} }

N = number of mole

m = molar mass

A-F = \frac{(6.75*4.76)kmole * ( 29kg/mol)}{(3kmole)* 12kg/mol + (6kmol)*(1kg/mol)}  =  22.2 kg air/fuel

hence the ratio of Fuel-air = 1 : 22.2

B) Determine the temperature at which water vapor in the products start condensing

First we determine the partial  pressure of water vapor before using the steam table to determine the corresponding saturation temp

partial pressure of water vapor

Pv = \frac{(N_{water vapor}) }{N_{pro} } * ( P_{ro} )

N watervapor ( number of mole of water vapor ) = 3

N pro ( total number of mole of product = 3 + 3 + 2.25 + 25.28 = 33.53 kmol

Pro = 105

hence Pv = ( 3/33.53 ) * 105 =  9.39kPa

from the steam pressure table the corresponding saturation temperature to 9.39kPa =  44.59° c

Temperature at which condensing will start = 44.59°c

An equation showing the products of propylene with their mole numbers is attached below

8 0
3 years ago
(a) A criterion is required for selecting a material with the lowest cost in a strength-limited design for a cylindrical tie rod
valentinak56 [21]

Answer:

For uniaxial tension the objective is to minimize cost:

C = mCm= ALrCm where m is mass, A is the cross-section area, r is density, and Cm is cost per unit mass. For strength limited design: F/A ≤sy, and A ≥ F/sy To minimize C = (F/sy) LrCm= (FL)(rCm/sy), minimize the quantity (rCm/sy). Maximize the material index,M =sy/(rCm)

b. The objective is to minimize cost C = mCm= b2LrCm, where A = b2 is the cross-section for strength limited design. It is necessary to eliminate the variable b from the equation.

Now if A= b2

Then b=A/2

Therefore cost C= mCm=A/2.2LrCm

= ALrCm

5 0
3 years ago
Read 2 more answers
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