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just olya [345]
2 years ago
15

Jnjn freeeeeeeeeeeeeeeeeeeeeeeeeeeeeee pointtttttttttt

Engineering
2 answers:
denis-greek [22]2 years ago
6 0

Answer:

thx for points :)

Explanation:

kvasek [131]2 years ago
5 0

Answer:

thx

Explanation:

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A 10-mm-diameter Brinell hardness indenter produced an indentation 2.50 mm in diameter in a steel alloy when a load of 1000 kg w
zysi [14]

Answer:

HB \approx 200.484

Explanation:

The Brinell Hardness is obtained from the following formula:

HB = \frac{2\cdot P}{\pi \cdot D^{2}}\cdot \left(\frac{1}{1 - \sqrt{1-\frac{d^{2}}{D^{2}} } } \right )

Where P is the load measured in kilograms-force, D is the diameter of indenter measured in millimeters and d is the diameter of indentation measured in millimeters.

HB=\frac{2\cdot (1000\,kgf)}{\pi\cdot (10\,mm)^{2}}\cdot \left[ \frac{1}{1-\sqrt{1-\frac{(2.50\,mm)^{2}}{(10\,mm)^{2}} } }  \right ]

HB \approx 200.484

4 0
2 years ago
) Assuming different AM regulations; the receiver is using mixer with subtracting format. The frequency selectivity ratio is app
Zarrin [17]

Answer:

F=710KHZ

Explanation:

From the question we are told that:

Frequency selectivity ratio R=10

AM range 750 kHz to 2600 kHz

Therefore Bandwidth is

 B=2100-680

 B=1420KHZ

Generally the equation for The intermediate frequency is mathematically given by

Intermediate frequency=\frac{Bandwidth}{2}

 F=\frac{B}{2}

 F=\frac{1420}{2}

 F=710KHZ

8 0
3 years ago
A refrigerator operates on average for 10.0 hours an day. If the power rating is the refrigerator is 709 w how much electrical e
Varvara68 [4.7K]

Answer:

61257.6 kW per day

Explanation:

The rating of the refrigerator is given as : 709 w

This means the power consumption is 709 joules per second

The operating time is given as 10 hours.

Change hours to second as

1 hour = 3600 seconds

10 hours = 36000 seconds

Apply the rating as;

709 w = 1 s

?         = 36000 seconds

perform cross product to get;

709 * 36000= 25524000 w

25524000 = 25524kW

For a day, 24 hours will be;

25524 kW = 10 hours

?                 =24 hours

={24*25524}/10 = 61257.6 kW per day

6 0
3 years ago
Acquisition of resources from an external source is called?
densk [106]

Answer:

subcontracting

Explanation:

I hope this is right

6 0
3 years ago
What is Pressure measured from absolute zero pressure called?
7nadin3 [17]
Anything greater than total vacuum is technically a form of pressure
5 0
3 years ago
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