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Crank
3 years ago
10

EnQueue(X): Thêm phần tử X vào Queue

Engineering
1 answer:
irina [24]3 years ago
6 0
Yes that is right no matter what you are talking about I’m not sure tho
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Air is flowing steadily through a cooling section where it is cooled from 30 °C to 15 °C at a rate of 0.25 kg/s.
Lady bird [3.3K]

Answer:

C_{day} = 2.261\,USD

Explanation:

The heat transfer rate rejected to the refrigeration system is:

\dot Q_{L} = (0.25\,\frac{kg}{s} )\cdot (1.005\,\frac{kJ}{kg\cdot ^{\textdegree}C} )\cdot (30\,^{\textdegree}C-15\,^{\textdegree}C)

\dot Q_{L} = 3.768\,kW

The electric power needed to make refrigeration possible is:

\dot W = \frac{\dot Q_{L}}{COP_{R}}

\dot W = \frac{3.768\,kW}{2.8}

\dot W = 1.346\,kW

The daily energy consumption is:

\Delta E_{day} = (1.346\,kW)\cdot (86400\,s)

\Delta E_{day} = 116294.4\,kJ

\Delta E_{day} = 32.304\,kWh

The cost of electricity consumed by the air-conditioner per day is:

C_{day} = c\cdot \Delta E_{day}

C_{day} = (0.07\,\frac{USD}{kWh} )\cdot (32.304\,kWh)

C_{day} = 2.261\,USD

5 0
3 years ago
Read 2 more answers
IDENTIFY THE POINTER READING FOR EACH SCALE. COMPUTE THE READING USING THE ASSIGNED RANGE MULTIPLIER FOR OHMMETER SCALE.
daser333 [38]

Answer:

https://gltnhs-tle.weebly.com › lesso...

Web results

Lesson 2 - T.L.E Learning Module

3 0
3 years ago
Read 2 more answers
Aqueous cleaners are ________ parts cleaning agents.
GREYUIT [131]

Answer:water based

Explanation:

4 0
2 years ago
Match the following parts of a crane
trasher [3.6K]
It is auxillary sorry i couldn’t help it happens to the best of us
5 0
3 years ago
Is a steam power plant a heat engine?
Novosadov [1.4K]

Answer:

Yes

Explanation:

Yes steam power plant is heat engine.

As we know that a heat engine takes from source heat and produce some amount of work and reject the heat to the sink.

So the steam power plant fulfill the all requirement like it take heat from boiler and produce some amount work and then reject the heat by using condenser.So we can say that steam power plant is an example of heat engine.

7 0
4 years ago
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