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Are engineers needed in today’s society ? Why or why not ? I need a short three paragraph essay !!! Please help me !!!

JMRboosties asked Apr 22, 2021

by JMRboosties

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69.8k views

A tank contains 350 liters of fluid in which 50 grams of salt is dissolved. Pure water is then pumped into the tank at a rate of 5 L/min; the well-mixed solution is pumped out at the same rate. Let the

Allan Hasegawa asked Apr 22, 2021

by Allan Hasegawa

5.2k points

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0 votes

160k views

An assembly of positive and negative plates and separators in electrolyte is called what?

Aswathy S asked Apr 22, 2021

by Aswathy S

6.0k points

1 answer

1 vote

43.6k views

One positive side-effect of bipolar encoding is that a bipolar violation (two consecutive pulses or two consecutive - pulses separated by any number of zeros) indicates to the receiver that an error has

Toidiu asked Apr 22, 2021

by Toidiu

6.6k points

1 answer

3 votes

139k views

Determine the phase or phases in a system consisting of H2O at the following conditions, sketch p-v and T-v diagrams showing the location of each state and determine the specified property at at the indicated

Blablatros asked Apr 22, 2021

by Blablatros

6.2k points

1 answer

5 votes

101k views

In tin plating of a continuous steel pipe of outer diameter (OD) 8 cm, it is required to deposit the coating only on the outer surface. Plating is carried out from an electrolyte (valence charge = 2) contained

Gpcola asked Apr 22, 2021

by Gpcola

6.2k points

1 answer

0 votes

17.1k views

A commercial enclosed gear drive consists of a 20° spur pinion having 16 teeth driving a 48-tooth gear. The pinion speed is 300 rev/min, the face width 2.25 in, and the diametral pitch 6 teeth/in. The

KaustubhK asked Apr 22, 2021

by KaustubhK

5.6k points

1 answer

1 vote

148k views

A fluid flows though a horizontal 0.1 inch diameter pipe. When the Reynold number is 1508, the head loss over a 20-ft length of the pipe is 6.2 ft. Determine the fluid velocity.

Icekomo asked Apr 22, 2021

by Icekomo

6.3k points

1 answer

2 votes

128k views

When a sheet of glass is moved from an annealing oven at Tg to a cooler environment Ts, it needs to be cooled slowly to prevent it from breaking. Neglecting radiation, write an energy balance on a unit-area

Edvan Souza asked Apr 22, 2021

by Edvan Souza

6.1k points

1 answer

2 votes

70.6k views

In wet mill ethanol plants, a total energy of 74,488 Btu (British thermal units, a common energy unit) is used to produce 1 gallon of ethanol. If ethanol can provide 76,330 Btu per gallon, what is the

Ville Laurikari asked Apr 22, 2021

by Ville Laurikari

5.9k points

1 answer

2 votes

136k views

Which of the rules below display SI (metric) measurements? A B

Andreas Abel asked Apr 22, 2021

by Andreas Abel

6.3k points

2 answers

3 votes

48.2k views

Researchers compared protein intake among three groups of postmenopausal women: (1) women eating a standard American diet (STD), (2) women eating a lacto-ovo-vegetarian diet (LAC), and (3) women eating

Chargaff asked Apr 22, 2021

by Chargaff

6.0k points

1 answer

4 votes

52.0k views

You wish to assess, approximately, the thermal conductivity λ of polyethylene (PE). To do so you block one end of a PE pipe with a wall thickness of x = 3 mm and diameter of 30 mm and fill it with boiling

Yibo Long asked Apr 22, 2021

by Yibo Long

6.5k points

1 answer

3 votes

9.1k views

A piston/cylinder device has 2.5 kg of air at 350K and 200kPa. It has a non-linear spring attached to the piston such that the pressure is related to the volume according to P-AVI.2+B where "A" and "B"

Peetya asked Apr 22, 2021

by Peetya

5.5k points

1 answer

5 votes

87.6k views

Which sentence best describes a refrigerator? A. It extracts heat from a high-temperature system and loses the heat to a low-temperature system. B. It extracts heat from a high-temperature system, loses

Rebeca asked Apr 22, 2021

by Rebeca

6.1k points

1 answer

4 votes

209k views

Entering information on a device is called what? A. input B. output C. programming D. coding

Benjamin Collins asked Apr 22, 2021

by Benjamin Collins

5.4k points

1 answer

5 votes

88.6k views

Suppose there are 93 packets entering a queue at the same time. Each packet is of size 4 MiB. The link transmission rate is 1.4 Gbps. What is the queueing delay of packet number 46

Alessandro Vermeulen asked Apr 22, 2021

by Alessandro Vermeulen

6.0k points

1 answer

4 votes

64.8k views

The longer any aircraft is in the air, the _______________ it becomes? 1. Lighter 2. Less efficient 3. Hotter 4. More dangerous

Stex asked Apr 22, 2021

by Stex

5.8k points

1 answer

4 votes

213k views

Water flows at 8.4 m3/s in a trapezoidal channel with a bottom width of 2 m and side slopes of 2:1 (H:V). Over a distance of 100 m, the bottom width expands to 2.5 m, with the side slopes remaining constant

Thankyoussd asked Apr 22, 2021

by Thankyoussd

6.3k points

1 answer

4 votes

177k views

As heat is continuously supplied to a system, the temperature begins increasing very quickly at one point. This could be due to a _________ occurring within the system.

Ashmin Kaul asked Apr 22, 2021

by Ashmin Kaul

5.8k points

1 answer

5 votes

44.8k views

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