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mr_godi [17]
4 years ago
15

During the era of known as the Stone Age, no tools were used and no technology was created.

Engineering
1 answer:
Shtirlitz [24]4 years ago
5 0

Answer:

stone wheel

Explanation:

it was built around 3500 B.C.

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Serhud [2]

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The dining room is ur answer mate

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3 years ago
True or false? Don't break or crush mercury-containing lamps because mercury powder may be released.
mars1129 [50]

Answer:true

Explanation:

7 0
4 years ago
What vehicle part turns on instrumental panel, dome light, and headlights?
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ACDelco Headlight

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5 0
4 years ago
Read 2 more answers
State and explain briefly four (4) functions that a machine foundation should fulfill.
MrMuchimi

Answer:

1 The weight of the foundation block should be enough to withstand vibrations

2 The foundation must be so dimensional that the resulting pressure due to weight of the device as well as the weight of foundation moves through the center of gravity of a base impact area in order to avoid the risk of specific settlement.

3.The base should be sufficiently rigid to have the requisite rigidity

4 a distance should be created all across  machine foundation to separate it from the adjacent parts of the building

Explanation:

 1. The weight of the foundation block should be enough to withstand vibrations and to avoid friction between device and the surrounding soil as well. This can be done by increasing the base block weight in supporting with engine power

2.The foundation must be so dimensional that the resulting pressure due to weight of the device as well as the weight of foundation moves through the center of gravity of a base impact area in order to avoid the risk of specific settlement.

3.The base should be sufficiently rigid to have the requisite rigidity as the slightest misdirection of foundation may cause significant bearing disorders.

4.To avoid propagation of vibration from a device to the adjacent parts of the building, a distance should be created all across  machine foundation to separate it from the adjacent parts of the building. 

8 0
4 years ago
Consider a steady flow Carnot cycle with water as the working fluid. The maximum and minimum temperatures in the cycle are 350 a
nadya68 [22]

Answer:

η = 48.1 %

Explanation:

Given that

The maximum temperature ,T(max) = 350 C

T(max) = 350+ 273 = 623 K

The minimum temperature ,T(min) = 50 C

T(min) = 50 + 273 = 323 K

We know that efficiency of Carnot cycle is given as

\eta=1-\dfrac{T_{min}}{T_{max}}

Now by putting the values in the above equation we get

\eta=1-\dfrac{50+273}{350+273}\\\eta=0.481

The efficiency of Carnot cycle will be 48.1 %.

Therefore the answer will be 48.1 %.

η = 48.1 %

4 0
3 years ago
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