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Recent questions in Engineering
Superheated steam is stored in a large tank at 6 MPa and 800°C, The steam is exhausted isentropically through a converging-diverging nozzle. Determine the velocity of the steam flow when the steam starts
DazChong
asked
Jan 21, 2021
by
DazChong
4.1k
points
Engineering
college
1
answer
5
votes
72.9k
views
What are four engineering degrees that can help lead you to becoming an aerospace engineer
Kalpeshdeo
asked
Jan 21, 2021
by
Kalpeshdeo
3.4k
points
Engineering
high-school
1
answer
3
votes
105k
views
PLEASE HELP!!!!!!!!!!!!!!!!!!!!! I AM BEING TIMED!!!!!!!!!!!!!!!!!!!!!! 30 MINUTES LEFT!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Taly
asked
Jan 21, 2021
by
Taly
4.0k
points
Engineering
high-school
1
answer
5
votes
146k
views
An npn BJT has emitter, base, and collector doping levels of 1019 cm????3, 5 1018 cm????3, and 1017 cm????3, respectively. It is biased in the normal active mode, with an emitter-base voltage of 1V. If
Michaeltwofish
asked
Jan 21, 2021
by
Michaeltwofish
4.2k
points
Engineering
college
1
answer
1
vote
229k
views
What mark appears on frames of industrial safety glasses?
Mithat
asked
Jan 21, 2021
by
Mithat
4.6k
points
Engineering
high-school
1
answer
2
votes
984
views
Niobium has a BCC crystal structure, an atomic radius of 0.143 nm and an atomic weight of 92.91 g/mol. Calculate the theoretical density for Nb. (Jr., 01/2018, p. P-5) Jr., W. C., Rethwisch, D. G. (2018).
Mephisto Lynn
asked
Jan 21, 2021
by
Mephisto Lynn
4.4k
points
Engineering
college
1
answer
1
vote
9.2k
views
(a) The lower yield point for an iron that has an average grain diameter of 1 x 10-2 mm is 230 MPa. At a grain diameter of 6 x 10-3 mm, the yield point increases to 275 MPa. At what grain diameter will
Ted Sander
asked
Jan 21, 2021
by
Ted Sander
4.1k
points
Engineering
college
1
answer
2
votes
174k
views
An important fluid property is the kinematic viscosity which determines the viscous, or frictional, forces acting in a flow. The kinematic viscosity of air multiplied by 106 is given at 350, 450, 500,
Kieran Klaassen
asked
Jan 21, 2021
by
Kieran Klaassen
4.0k
points
Engineering
college
1
answer
4
votes
73.3k
views
For a solid-state transformation that obeys the Avrami equation, the parameter n has been determined to have a value of 1.5. The reaction takes 125 seconds to reach 30% completion. What is the total time
Patrick Ziegler
asked
Jan 21, 2021
by
Patrick Ziegler
3.6k
points
Engineering
college
1
answer
5
votes
178k
views
How did the Ecole des Beaux Arts contribute to the development of the architect role into a profession? The controversies at the Ecole surrounding proper architectural design attracted some of the most
BLaminack
asked
Jan 21, 2021
by
BLaminack
3.1k
points
Engineering
high-school
1
answer
3
votes
163k
views
Air is expanded from a larger reservoir in which the pressure and temperature are 500 Kpa and 35 C through a variable area duct. A normal shock occurs at a point in the duct where the Mach number is 2.
Lrcrb
asked
Jan 21, 2021
by
Lrcrb
4.3k
points
Engineering
college
1
answer
1
vote
203k
views
Three return steam lines in a chemical processing plant enter a collection tank operating at steady state at 1 bar. Steam enters inlet 1 with flow rate of 0.8 kg/s and a quality of 0.9. Steam enters inlet
IsAif
asked
Jan 21, 2021
by
IsAif
4.9k
points
Engineering
college
1
answer
2
votes
205k
views
Quadrilateral ABCD is a rectangle. If m ZADB = 7k + 60 and mZCDB = -5k + 40, find mZCBD.
Anand
asked
Jan 21, 2021
by
Anand
3.9k
points
Engineering
college
1
answer
0
votes
228k
views
It is proposed to use water instead of refrigerant-134a as the working fluid in air-conditioning applications where the minimum temperature never falls below the freezing point. Can water be used as the
AdamZ
asked
Jan 21, 2021
by
AdamZ
4.9k
points
Engineering
college
1
answer
4
votes
187k
views
Due within next 5 minutes... Should scientists be allowed to research human cloning? Explain and defend your answer.
Bill Menees
asked
Jan 21, 2021
by
Bill Menees
4.4k
points
Engineering
college
1
answer
5
votes
11.1k
views
2. What are the separate parts that make up an oxyacetylene flame?
Givi
asked
Jan 21, 2021
by
Givi
3.9k
points
Engineering
college
1
answer
2
votes
97.5k
views
Consider two different versions of algorithm for finding gcd of two numbers (as given below), Estimate how many times faster it will be to find gcd (31415, 14142) by Euclid’s algorithm compared with the
Yuns
asked
Jan 21, 2021
by
Yuns
4.3k
points
Engineering
college
1
answer
2
votes
17.0k
views
Pam, when she turned 25, made an investment of $20,000 at an interest rate of 6.5% compounded semi-annually. Now that she is 50 years old, how much is the investment worth now. A. $53,250 B. $44,491.96
Alex Bodea
asked
Jan 21, 2021
by
Alex Bodea
4.4k
points
Engineering
college
1
answer
4
votes
71.4k
views
If you are convicted of D.U.I. a second time in five years, your license may be revoked for up to __________ year/s. A. one B. two C. five
Asesh
asked
Jan 21, 2021
by
Asesh
3.8k
points
Engineering
middle-school
2
answers
2
votes
199k
views
A process temperature is known to fluctuate with a frequency of 0.1 Hz. The engineer needs to monitor this process using a first-order thermocouple and wishes to have no more than 2% amplitude reduction.
ToTamire
asked
Jan 21, 2021
by
ToTamire
4.5k
points
Engineering
college
1
answer
0
votes
184k
views
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