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N76 [4]
3 years ago
7

A concrete block making company is developing an aggregate capacity plan from the following sales forecast for its 6” and 8” con

crete blocks shown in the table below. Product Sales Forecasts (Concrete Blocks) 1st Quarter 2nd Quarter 3rd Quarter 4th Quarter 6” Block 2,000 1,500 1,600 1,800 8” Block 1,200 1,000 800 1,000 Ample machine capacity exists to produce the forecast. Each 6” concrete block takes an average of 20 labour-hours while each 8” concrete block takes an average of 15 labour-hours. a) Compute the aggregate number of labour-hours in each quarter. b) If the plant works the same number of days in each quarter, 13 five-day weeks on a single shift, how many workers will be required in each quarter? c) It costs $1,000 to hire a worker and $500 to lay off a worker, and inventory carrying cost is $100 for each 6” concrete block and $100 for each 8” concrete block (this means that if one 6” concrete block were held in inventory for a year, it would cost $100 for finance charge, insurance, warehousing expense, etc.). The plant works the same number of days in each quarter, 13 five-day weeks. Assuming that the quarterly demand pattern repeats from year to year, compute the cost of each of the following two aggregate plans for next year: i. Chase strategy plan. Beginning inventory in this plan is zero for both types of concrete blocks. ii. Level strategy plan. Beginning inventory in this plan is 275 for 6” concrete blocks and 200 for 8” concrete blocks.
Engineering
1 answer:
Fiesta28 [93]3 years ago
4 0

Answer:

nah ask ur mom then

Explanation:

ur mom is smarter than u then ask her dont be rude

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alexira [117]

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Drawbacks include that it is costlier than other clean energies. Another thing is that when it isnt sunny you wont get as much energy

8 0
3 years ago
A particular cloud-to-ground lightning strike lasts 500 µµsec and delivers 30 kA across a potential difference of 100 MV. Assu
sasho [114]

Answer:

a) 15 C charge was delivered by the lightening bolt

b) the lightning delivered 3.0 × 10¹² W of power

c)

- total energy delivered by the lightening strike in J is 1500 × 10⁶ J

- total energy delivered by the lightening strike in Wh is 416666.67 Wh

d)

the residential retail value of the energy delivered by the strike is $ 40.83

e)

a total of 26 lightening strikes would be required to power an average US home for a year.

Explanation:

Given that;

the lighting strike lasted for t ( time ) = 500 μsecs = 500×10⁻⁶ s

Current I = 30 kA = 30×10³ A

voltage V = 100 mV = 100×10⁶ v

a)

we know that; I = Q/t

so Q = I × t

we substitute

Q =  30×10³ × 500×10⁻⁶

Q = 15 C

Therefore 15 C charge was delivered by the lightening bolt

b)

Power P = V × I

we substitute

Power P = 100×10⁶ × 30×10³

P = 3.0 × 10¹² W

Therefore, the lightning delivered 3.0 × 10¹² W of power

c)

we know that; Power = Energy / Time

Energy = Power × Time

we substitute

E = 3.0 × 10¹²  × 500×10⁻⁶

E = 1500 × 10⁶ J

- total energy delivered by the lightening strike in J is 1500 × 10⁶ J

- total energy delivered by the lightening strike in Wh is;

⇒ 1500×10⁶ / 3600 Wh

= 416666.67 Wh

d)

given that;  1 KWh → $ 0.098

energy delivered by the strike = 416666.67 Wh = 416.66667 KWh

so the residential retail value of the energy delivered by the strike will be;

416.66667 KWh × $ 0.098

= $ 40.83

∴ the residential retail value of the energy delivered by the strike is $ 40.83

e)

Given that; average monthly residential energy consumption is 900 kWh.

for a year; energy consumption = 12 × 900 kWh = 10,800 KWh = 10800000 Wh

Now

1 lightening strike ⇒ 416666.67 Wh

x lightening strike ⇒ 10800000 Wh

x = 10800000 / 416666.67

x = 25.9199 ≈ 26

Therefore; a total of 26 lightening strikes would be required to power an average US home for a year.  

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To combat overheating, keep a ___________ in your car.
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Keep a gallon of water in your car.

Explanation:

Because.

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If increased productivity in the workplace is an example of the macroeconomic impact of the green economy and increased income f
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During a cold winter day, wind at 50 km/h is blowing parallel to a 4-m-high and 10-m-long wall of a house. If the air outside is
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to determine the rate of heat loss from that wall by convection = 12780 watts

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