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Paladinen [302]
4 years ago
7

What is a ton of refrigeration?

Engineering
1 answer:
AURORKA [14]4 years ago
6 0

Explanation:

The unit refrigeration is generally is given in terms of tons.In refrigeration compressor consume some amount of work to produce the cooling effect  with the help of evaporator and condenser.

In the simple words ton is the cooling load of refrigeration system.

So  

1 ton = 3.5 KW

1 ton = 12,000 BTU/hr

 

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Select the correct statement(s) regarding frequency modulation (FM). a. baseband amplitude changes (information) are captured as
mario62 [17]
<h3>All of the above statement are correct statement.</h3>

<u>Explanation</u>

  • Base-Band amplitude changes are captured as carrier wave wave frequency changes. In order to convert signal amplitude changes to changes in frequency, we need a device like VCO.
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3 0
3 years ago
Briefly discuss if it would be better to operate with pumps in parallel or series and how your answer would change as the steepn
Aleksandr [31]

Answer:

1) In series, the combined head will move from point 1 to point 2 in theory. However, practically speaking, the combined head and flow rate will move along the system curve to point 3.

2) In parallel, the combined head and volume flow will move along the system curve from point 1 to point 3.

Explanation:

1) Pump in series:

When two or more pumps are connected in series, their resulting pump performance curve will be obtained by adding their respective heads at the same flow rate as shown in the first diagram attached.

In the first diagram, we have 3 curves namely:

- system curve

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Also, we have points labeled 1, 2 and 3.

- Point 1 represents the point that the system operates with one pump running.

- Point 2 represents the point where the head of two identical pumps connected in series is twice the head of a single pump flowing at the same rate.

- Point 3 is the point where the system is operating when both pumps are running.

Now, since the flowrate is constant, the combined head will move from point 1 to point 2 in theory. However, practically speaking, the combined head and flow rate will move along the system curve to point 3.

2) Pump in parallel:

When two or more pumps are connected in parallel, their resulting pump performance curve will be obtained by adding their respective flow rates at same head as shown in the second diagram attached.

In the second diagram, we have 3 curves namely:

- system curve

- single pump curve

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Also, we have points labeled 1, 2 and 3

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- Point 2 represents the point where the flow rate of two identical pumps connected in series is twice the flow rate of a single pump.

- Point 3 is the point where the system is operating when both pumps are running.

In this case, the combined head and volume flow will move along the system curve from point 1 to point 3.

5 0
3 years ago
What is the correct procedure for mounting the m240 on the m122a1 tripod after the pintle is attached to the receiver?
cluponka [151]

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<h3>What is a Machine gun ?</h3>

The term "machine gun" refers to a rifled, autoloading, fully automatic weapon intended for continuous direct fire using rifle rounds. Other automatic weapons, such as automatic rifles, are often intended to fire in brief bursts rather than continuously, and are not regarded as real machine guns because of this.

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8 0
2 years ago
Savabuck University has installed standard pressure-operated flush valves on their water closets. When flushing, these valves de
Dvinal [7]

Answer:

Cost = $2527.2 per month.

Explanation:

Given that

Discharge ,Q = 130 L/min

 So

Q=0.13\ m^3/min

Cost =  $0.45 per cubic meter

1 month = 30 days

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1 month = 30 x 24 x 60 min

1 month = 43,200 min

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x = 0.13 x 43,200

x=5616\ m^3

So the total cost = 5616 x 045 $

Cost = $2527.2 per month.

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4 years ago
Which is the most effective way to reduce discrimination at the workplace? A. Appoint employees of a single race or religion. B.
sveticcg [70]

Answer:

C is the correct answer coz the others don't make sense

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2 years ago
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