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solniwko [45]
3 years ago
13

A plant might be emitting some dangerous pollutants that are environmentally harmful, but completely eliminating them would be s

o expensive that the plant would have to close, throwing many local inhabitants out of work. Assuming there is an obligation both to preserve jobs and to protect the environment. What is the best technique that should be used to resolve this problem?
Select one:
a. The convergence and divergence techniques
b. The Utilitarian approach
c. The creative middle way
d. The line drawing technique
Engineering
1 answer:
valentinak56 [21]3 years ago
5 0

Answer: c. The creative middle way

Explanation:

As there is both an obligation to preserve jobs and to protect the environment, a creative middle way which involves compromise would be most effective.

The company involved should process and remove the worst pollutants alone while leaving others so that the process will not be so expensive that they have to close down.

They will do this till a better and more environmentally beneficial solution can be found at which point they can then clean up the previous pollutants with the hope that they have not irrecoverably damaged the environment.

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An average person produce 0.25 kg of moisture while taking a shower and 0.05 kg while bathing in a tub. Consider a family of fou
Gre4nikov [31]

Answer:

Q = 2450 KJ/day

Explanation:

We are given;

The amount of moisture produced by a person while taking shower; m = 0.25 kg/person

Total number of persons in the family; N = 4

Latent heat of vaporization of water:

h_fg = 2450 KJ/kg

Since amount of moisture per person is 0.25kg per day,thus for 4 people, total mass; m_total = 4 x 0.25 = 1 kg per day

The formula for the amount of latent heat added to the space due to shower per day, is given as;

Q = m_total x h_fg

Plugging in the relevant values;

Q = 1 x 2450 = 2450 KJ/day

7 0
3 years ago
You just graduate from college and find a job (yah! Congrats!). You buy a new house and would like to install solar panels for t
Lena [83]

Answer: Number of panels needed is 27

Daily energy per 250 W panel is 1.1kWhr

Daily house energy used is 30kWhr

Explanation: To get 27 panel it is 250*30/1.1 =6818

6818/250= 27 panels needed daily

6 0
3 years ago
Which of the following statements are true concerning AC circuit that contains both resistance and inductance? A. The current an
maw [93]

The current will lag the voltage in AC circuit that contains both resistance and inductance.

Answer: C

Explanation

There is no inductance only circuits in reality.

The circuits containing inductance has also a lower amount of resistance.

The current flows in both resistance and inductance.

There is a drop in the total voltage in resistance and inductance giving rise to the voltage applied in the coil when connected in a series.

An example being inductance coil an AC circuit connected to both resistance and inductance in series.

From the vector diagram, this conclusion can be drawn.

3 0
3 years ago
Air-conditioning principles are being discussed. Technician A states that heat always
Sunny_sXe [5.5K]

Answer: C.

Explanation:

7 0
3 years ago
A dual voltage/dual resistance AC hair dryer can be used with a 120 V or 230 V power supply. A switch allows the user to set the
NISA [10]

Answer:

The power is  p= 5621 W

Explanation:

In order to obtain the power it consumes we need to first obtain the resistance of the hair dryer at 120 V

                  R = \frac{V^2}{P} = \frac{(120 V)^2}{1530W} = 9.411 \Omega

Now the power supplied in Europe at their voltage of 230V would be

                           P = \frac{V^2} {R} = \frac{(230V)^2}{9.411 \ \Omega} = 5621 W

Looking the power obtain we see that it is higher than 1530 W so this would cause the dryer to smoke.

                     

3 0
4 years ago
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