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Engineering

Generally the usual depth of first watering in crop field is required as:

a) 3" inches in a ploughed field

b) 9" inches in a ploughed field

c) 12" inches in a ploughed field

d) 1" inches in a ploughed field

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Engineering

Which two investment options would be best if you are 20 years old just starting to see if I want to retire when you're 70 consider the kind of investment rate of return level of risk and other factors

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Engineering

Humans have fished the prawns and small fish in an estuary to near extinction. Describe the impact this could have on the bacteria and mold population as well as the heron and pelican populations.

Enter your answer in the space provided.

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Engineering

Water is being added to a storage tank at the rate of 500 gal/min. Water also flows out of the bottom through a 2.0-in-inside diameter pipe with an average velocity of 60 ft/s. The storage tank has an inside diameter of 10 ft. Find the rate at which the water level is falling or rising.

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Engineering

Make comparisons between thermoplastics and thermosetting polymers (a) on the basis of mechanical characteristics upon heating, and (b) according to possible molecular structures.

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Engineering

Air at 15C flows at 10 m/s over a flat plate of length 2 m. Using one-seventh power law of the turbulent flow, what is the ratio of local skin friction coefficient for the turbulent and laminar flow cases?

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Engineering

The velocity components u and v in a two-dimensional flow field are given by: u = 4yt ft./s, v = 4xt ft./s, where t is time. What is the time rate of change of the velocity vector V (i. e., the acceleration vector) for a fluid particle at x = 1 ft. and y = 1 ft. at time t = 1 second?

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Engineering

As more slits with the same spacing are added to a diffraction grating the lines:

A. become narrower

B. do not change in position or width

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Engineering

To reduce the global emission of greenhouse gases, which of the following would be theMOST effective and practical lifestyle change for most Americans? A. Opt for polystyrene (Styrofoam) food containers instead of clear plastic. B. Drive an electric vehicle. C. Decrease your consumption of beef. D. Carry your groceries in a reusable canvas bag. - C. Decrease your consumption of beef

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Engineering

If, in the Terms of Service, a company has a clear statement about what data they share; then that company need take no further action because they will be fully compliant with GDPR. a. True

b. False

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Engineering

A hypereutectoid steel often presents hard and brittle cementite along the grain boundaries of pearlite. Which of the following heat treatments can alleviate this problem by changing the microstructure? (a) Annealing (b) Normalizing (c) Austenizing (d) Spheroidizing (e) Process-annealing

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Justice Mathews

Engineering

A worker can file acomplain about safety and hazardaus

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Engineering

four-cylinder, two-stroke 2.4-L diesel engine that operates on an ideal Diesel cycle has a compression ratio of 22 and a cutoff ratio of 1.8. Air is at 70°C and 97 kPa at the beginning of the compression process. Using the cold-air-standard assumptions, determine how much power the engine will deliver at 4250 rpm.

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Engineering

A driver is traveling at 55 mi/h on a wet road. An object is spotted on the road 450 ft ahead and the driver is able to come to a stop just before hitting the object. Assuming standard perception/reaction time, determine the grade of the road.

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Engineering

when testing transistors, how much minimum voltage difference should be seen across the base-emitter junction? A. 0.1 VDC B. 0.4 VDC C. 0.6 VDC D. 0.9 VDC

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