A 5-m self-propelled combine makes an average stop of 4 min every time its 2-ton grain tank is to be unloaded. Gross yield of the 20-ha field is 42 tons. The operating speed is 4.8 kph. The time for turning on the headland at the ends of the 500-m field is 15 seconds. Find the field efficiency: a. 78% b. 83% c. 87% d. 90%

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A:

Q: A container of Atrazine (500 g) is dumped into a river 2.3 km upstream of a municipal water intake…

A: Given, M = 500 gm or 0.5 kg L = 2.3 km or 2300 m  A = 5.7 m2  Q = 8.25 m3/s D = 0.1 m2/s

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A: Given data,carrying 1000 kg of benzeneThe quarry is 10 m deep and has a surface area of 10,000…

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Q: 4. A power shift tractor is excavating tough clay and pushing it a distance of 95 feet. Maximum…

A: Distance = 95 ft Speed: First range=3 mph Second range = 5 mph Third range = 8 mph Blade capacity =…

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A: Diameter of pipe = 12 cmMajor losses = 5 v2 / 2gf = 0.04 To Find :THe equivalent length of pipe ?

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A:

Unit Conversion

Standard units are also called SI units. SI units are used for measuring a physical quantity satisfying certain conditions. There are two types of units: fundamental units and derived units. Fundamental units are physical quantities that are independent, that is, they do not depend on other quantities like mass, length, or time. There are plenty of quantities in our lives which need to be measured and compared. Measuring is the comparison of a particular physical quantity with its reference value. A unit is a measure of a fixed physical quantity. A physical quantity is the product of a unit and the numerical value we need to compare with.