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sineoko [7]
3 years ago
15

Q1: You have to select an idea developing an application like web/mobile or industrial, it should be based on innovative idea, n

ot just a simple CRUD application. After selecting the idea do the following: 1) How your project will be helpful and what problem this project addresses. (10-Marks) 2) Write down the requirements. (10Marks) 3) List the functional and non-functional requirements of your project. (10marks) 4) Which process model you will follow for this project and why? (10marks) 5) Draw the Level 0, and level 1 DFD of your application. (20marks)
Engineering
1 answer:
elena55 [62]3 years ago
6 0

Answer:

Creating an app is both an expression of our self and a reflection of what we see is missing in the world. We find ourselves digging deep into who we are, what we would enjoy working on, and what needs still need to be fulfilled. Generating an app idea for the first time can be extremely daunting. Especially with an endless amount of possibilities such as building a church app.

The uncertainty has always spawned a certain fear inside creators. The fear of creating something no one will enjoy. Spending hundreds of dollars and hours building something which might not bring back any real tangible results. The fear of losing our investment to a poor concept is daunting but not random. But simple app ideas are actually pretty easy to come by.

Great app idea generation is not a gift given to a selected few, instead, it is a process by which any of us are able to carefully explore step by step methods to find our own solution to any problem. Whether you are a seasoned creator or a novice, we have provided a few recommendations to challenge and aid you as you create your next masterpiece.

if I am right then make me brainliest

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A compressor operates at steady state with Refrigerant 134a as the working fluid. The refrigerant enters at 0.24 MPa, 0°C, with
marissa [1.9K]

Answer:

POWER INPUT = 82.989 KW

Explanation:

For pressure P =0.24 MPa and T_1 = 0 DEGREE, Enthalapy _1 = 248.89 kJ/kg

For pressure P =1  MPa and T_1 = 50 DEGREE, Enthalapy _1 = 280.19 kJ/kg

Heat loss Q = 0.05w

Inlet diameter = 3 cm

exit diamter = 1.5  cm

volume of tank will be v = area * velocity

velocity at inlet= \frac{0.64\60 m/s}{ \frac{\pi}{4} (3\times 10^{-2})^2} = 15.09  m/s

velocity at outlet= \frac{0.64\60 m/s}{ \frac{\pi}{4} (1.5\times 10^{-2})^2} = 60.36  m/s

steady flow energy equation

E_{IN} = E_{OUT}

h_1 + \frac{v_1^2}{2g} +wc = h_2 + \frac{v_2^2}{2g} + 0.05wc

248.89 + \frac{15.09^2}{2} + wc = 280.18 + \frac{60.36^2}{2} + 0.05 wc

solving wc = 1830.64  kJ/kg

wc in KWH

we know thatwc = \dot m wc

       \dot m = 4.25 kg/m3 \times (0.64/60) m^3/s

\dot m = 0.04533  kg/s

wc = 0.04533 \times 1830.64 = 82.989 kW

5 0
4 years ago
How many ase certifications are there for automotive technicians?
romanna [79]

Answer:

There are 50 ASE certification tests, covering almost every imaginable aspect of the automotive repair and service industry.

Explanation:

yww <33

5 0
3 years ago
How do you know which forces works for free bodies​
miss Akunina [59]

Answer:

Gravitational force (pulled downward by the Earth)

Normal force (pushed upward by the ground)

Applied force (pushed by the person)

Friction force (pulled opposite the direction of motion by the roughness of the ground)

5 0
3 years ago
The pump of a water distribution system is powered by a 15-kW electric motor whose efficiency is 90 percent. The water flow rate
wariber [46]

Answer:

Mechanical power of pump is 74.07%.    

Explanation:

Power of motor = 15 KW

Efficiency of motor= 90%

So the actual power(P) supplied by motor = 0.9 x 15 KW

P=13.5 KW

Water flow rate = 50 L/s

Volume flow rate = 50 L/s

We know that

1000\ L/s=1\ m^3/s

So

Volume\ flow \rate =0.05\ m^3/s

We know that pump is an open system and work input for open system can be calculated as

W=VΔP

ΔP is the pressure difference

V is the volume flow rate

So by putting the values

W=0.05 (300-100)            (here ΔP=300 - 100=200 KPa)

W=10 KW    

So mechanical power of pump

\eta =\dfrac{W}{P}        

\eta =\dfrac{10}{13.5}    

η =0.7407

Mechanical power of pump is 74.07%.    

6 0
3 years ago
A discrete-time LTI system H has input x[n] and output y[n] related by the linear constant coefficient difference equation y[n]
Molodets [167]

Answer:

See explaination and attachment

Explanation:

Please kindly check attachment for the step by step solution of the given problem.

Have the solution as an attachment.

4 0
3 years ago
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