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Recent questions in Engineering
It is desired to increase the output of a spark-ignition engine (with a compression ratio of 8:1 and an inlet pressure 1.0 atm) by either: (1) raising the compression ratio from 8 to 11, or (2) increasing
LuLuGaGa
asked
Mar 28, 2021
by
LuLuGaGa
5.0k
points
Engineering
college
1
answer
5
votes
156k
views
An air conditioner removes heat steadily from a house at a rate of 700 kJ/min while drawing electric power at a rate of 5.10 kW. Determine: a. the COP of this air conditioner b. the rate of heat transfer
Mark Shevchenko
asked
Mar 28, 2021
by
Mark Shevchenko
4.7k
points
Engineering
college
1
answer
3
votes
82.6k
views
An air conditioner using refrigerant-134a as the working fluid and operating on the ideal vapor-compression refrigeration cycle is to maintain a space at 22°C while operating its condenser at 1000 kPa.
Dylan Anlezark
asked
Mar 28, 2021
by
Dylan Anlezark
5.2k
points
Engineering
college
2
answers
1
vote
126k
views
How high can you trork this car do you think?
Tenshi Munasinghe
asked
Mar 28, 2021
by
Tenshi Munasinghe
4.9k
points
Engineering
middle-school
2
answers
2
votes
219k
views
Which effect is caused by the bending of a structure ? Bending of a structure causes the __________ effect.
FreddieE
asked
Mar 28, 2021
by
FreddieE
5.0k
points
Engineering
middle-school
2
answers
5
votes
168k
views
What Do Solar Engineers Do?
Adam Grant
asked
Mar 28, 2021
by
Adam Grant
5.0k
points
Engineering
middle-school
2
answers
1
vote
137k
views
g Steam enters a nozzle at 400°C and 800 kPa with a velocity of 10 m/s and leaves at 375°C and 400 kPa while losing heat at a rate of 25.5 kW. For an inlet area of 800 cm2, determine the velocity and the
Calcolat
asked
Mar 28, 2021
by
Calcolat
5.3k
points
Engineering
college
1
answer
3
votes
123k
views
In the apparatus, the Dynamic Aqua Crusher, water is injected into a vertical channel at a volume flow rate Q. The diameter of the channel at point 1 is d, and its diameter at point 2 is D. To the right
Foday
asked
Mar 28, 2021
by
Foday
5.0k
points
Engineering
college
1
answer
2
votes
110k
views
2- A 2-m3 insulated tank containing ammonia at -20 C, 80% quality, is connected by a valve to a line flowing ammonia at 2 MPa, 60 C. The valve is opened, allowing ammonia to flow into the tank. At what
Keima
asked
Mar 28, 2021
by
Keima
4.9k
points
Engineering
college
1
answer
0
votes
50.2k
views
To assist in completing this question, you may reference the Animated Technique Video - MALDI-TOF Mass Spectroscopy. Complete the passage about matrix‑assisted laser desorption/ionization time‑of‑flight,
Natesan
asked
Mar 28, 2021
by
Natesan
4.3k
points
Engineering
college
1
answer
2
votes
157k
views
What is the best reason a scientist might use a model to represent the solar system?
Hermine
asked
Mar 28, 2021
by
Hermine
5.3k
points
Engineering
high-school
2
answers
1
vote
183k
views
Select the three branches of electrical engineering. Power and Lighting Cell Phones Electromagnetism Telecommunications Computer Engineering
Nick Kovalsky
asked
Mar 28, 2021
by
Nick Kovalsky
4.9k
points
Engineering
middle-school
1
answer
5
votes
177k
views
Heat is transferred at a rate of 2 kW from a hot reservoir at 800 K to a cold reservoir at 300 K. Calculate the rate at which the entropy of the two reservoirs changes. (Round the final answer to six decimal
Salamit
asked
Mar 28, 2021
by
Salamit
4.8k
points
Engineering
college
1
answer
4
votes
145k
views
The Santa Clara Valley Water District (SCVWD) wants to explore the possibility of constructing a flood protection project. The cost of constructing the project is 20 million dollars. The life of the project
Waaberi Ibrahim
asked
Mar 28, 2021
by
Waaberi Ibrahim
5.7k
points
Engineering
college
1
answer
3
votes
189k
views
a radioactive material of thermal conductivity k is cast as a solid sphere of radius ro and placed in a liquid bath for which the temperature T infinity and convection coefficient h are know. Heat is uniformly
Gerbit
asked
Mar 28, 2021
by
Gerbit
5.5k
points
Engineering
college
1
answer
2
votes
127k
views
Describe an E2 mechanism A. Not stereospecific and not concerted B. Stereospecific and not concerted C. Stereospecific and concerted D. Not stereospecific and concerted
QIvan
asked
Mar 28, 2021
by
QIvan
5.8k
points
Engineering
college
1
answer
4
votes
221k
views
9.21 LAB: Sorting TV Shows (dictionaries and lists) Write a program that first reads in the name of an input file and then reads the input file using the file.readlines() method. The input file contains
Khoi
asked
Mar 28, 2021
by
Khoi
5.4k
points
Engineering
college
1
answer
5
votes
208k
views
An isentropic steam turbine processes 5.5 kg/s of steam at 3 MPa, which is exhausted at 50 kPa and 100°C. Five percent of this flow is diverted for feedwater heating at 500 kPa. Determine the power produced
Danielle
asked
Mar 28, 2021
by
Danielle
5.2k
points
Engineering
college
1
answer
5
votes
108k
views
Define the following terms: data, database, DBMS, database system, database catalog, program-data independence, user view, DBA, end user, canned transaction, deductive database system, persistent object,
Trinh
asked
Mar 28, 2021
by
Trinh
4.7k
points
Engineering
college
1
answer
3
votes
103k
views
g Let the charges start infinitely far away and infinitely far apart. They are placed at (6 cm, 0) and (0, 3 cm), respectively, from their initial infinite positions. A. Determine the electric potential
Joshua Clayton
asked
Mar 28, 2021
by
Joshua Clayton
5.0k
points
Engineering
college
1
answer
4
votes
235k
views
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