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torisob [31]
3 years ago
6

The data below are from a loading increment in a consolidation test. The thickness of the specimen at time t=0 is 25.4 mm. The s

pecimen is drained from both top and bottom. Using the square-root of time method, the time for 90% consolidation is most nearly:
Engineering
1 answer:
cestrela7 [59]3 years ago
5 0

Answer:

given the above data 90% consolidation would be \frac{25.4}{100} X 90% =22.86

Explanation:

For the above to be feasible we need to have the original thickness divided by the total percentage which is 100 then multiplied by the new percentage which is 90% since t is at the origin , i.e t=0.

The Consolidation test: is used when we wish to determine the rate and magnitude of  consolidation when it is restrained laterally and loaded axially.

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What would the Select lines need to be to send data for the fifth bit in an 8-bit system (S0 being the MSB and S2 being the LSB)
Maurinko [17]

Answer:

A. S0 = 1, S1 = 0, S2 = 0

lines need to send data for the fifth bit in an 8 bit system

5 0
3 years ago
What is the rated power output in ( kw) of a 8 pole motor designed to an IEC 180L motor frame ?<br>​
ra1l [238]

Answer:

P=11 kW

Explanation:

Given that

Number of poles= 8

I.E.C. 180L motor frame

From data book , for 8 poles motor at 50 Hz

Speed = 730 rpm

Power factor = 0.75

Efficiency at 100 % load= 89.3 %

Efficiency at 50 % load= 89.1 %

Output power = 11 kW

Therefore the rated output power of 8 poles motor will be 11 kW. Thus the answer will be 11 kW.

P=11 kW

4 0
4 years ago
Kam
jolli1 [7]
I think D i’m not sure
7 0
3 years ago
The modifications of superheat and reheat for a vapor power plant are specifically better for the operation which of the followi
MatroZZZ [7]

The modifications of superheating and reheat for a vapor power plant are specifically better for the operation which of the following components b.Boiler.

<h3>What are the primary additives in the vapour strength cycle?</h3>

There are 5 steam strength cycles: The Carnot cycle, the easy Rankine cycle, the Rankine superheat cycle, the Rankine reheat cycle and the regenerative cycle.

  1. Central to expertise the operation of steam propulsion is the primary steam cycle, a method wherein we generate steam in a boiler, increase the steam via a turbine to extract work, condense the steam into water, and sooner or later feed the water again to the boiler.
  2. Reheat now no longer best correctly decreased the penalty of the latent warmness of vaporization in steam discharged from the low-stress quit of the turbine cycle, however, it additionally advanced the first-rate of the steam on the low-stress quit of the mills via way of means of decreasing condensation and the formation of water droplets inside the turbine.

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7 0
3 years ago
The council members of a small town have decided that an earth levee should be rebuilt and strengthen to protect against future
Ket [755]

Answer:

present cost = $302218.15

Explanation:

given data

cost of the work 1st year A1  = $100,000

cost of the work 2nd year A2 = $85,000

cost of the work 3rd year A3 = $70,000

cost of the work 4th year A4 = $55,000

cost of the work 5th year A4 = $40,000

interest rate r = 6% = 0.06

to find out

present worth cost is for the first 5 years

solution

present worth cost will be here as per given equation

present cost = \frac{A1}{(1+r)^1}+ \frac{A2}{(1+r)^2} + \frac{A3}{(1+r)^3} + \frac{A4}{(1+r)^4}+ \frac{A5}{(1+r)^5}     .........................1

here r is rate of interest and A is amount given

put here value we get

present cost = \frac{100,000}{(1+0.06)^1}+ \frac{85,000}{(1+0.06)^2} + \frac{70,000}{(1+0.06)^3} + \frac{55,000}{(1+0.06)^4}+ \frac{40,000}{(1+0.06)^5}  

present cost = $302218.15

5 0
4 years ago
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