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Engineering

Explain why it is important to understand hydrostatic forces on surfaces when designing scuba gear, particularly oxygen tanks, for deep sea divers.

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Gwendolyn Moran

Engineering

2. A trapezoidal channel has a bottom width of 4 m and side slopes of 2:1 (H:V). If the flow rate is 50 m3/s at a depth of 3.6 m, report whether the flow is subcritical or supercritical. Also determine the alternate depth (for the same specific energy). Also determine the critical depth.

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Engineering

A square steel bar has a length of 7.2 ft and a 2.5 in by 2.5 in cross section and is subjected to axial tension. The final length is 7.20532 ft. The final side length is 2.49946 in. What is Poisson's ratio for the material? Express your answer to three significant figures.ν = 0.292Part A - Calculate Poisson's ratio A square steel bar has a length of 5.3 ft and a 2.1 in by 2.1 in cross section and is subjected to axial tension. The final length is 5.30470 ft. The final side length is 2.09929 in. What is Poisson's ratio for the material?

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Engineering

Unit 6 - Quiz 1

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3. When testing for loose Wheel Bearings you should:

A. Testing is inconclusive, just replace them.

B. Rock the wheel back and forth from the 3:00 and 9:00 positions

C. Turn the steering wheel 45 degrees in each direction

D. Rock the wheel back and forth from the 12:00 and 6:00 positions

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Engineering

Is a gas turbine a heat engine?

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Engineering

Write a single statement that prints outsideTemperature with 2 digits in the fraction

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Engineering

An airplane starts from rest, 6050 ft down a runway at uniform accelerationthen takes off with a speed of 150mi / h. It then climbs in a straight line with a uniform acceleration of 2 ft/s^ 2 until it reaches a constant speed of 195mi / h. How far has the plane traveled when it reaches this constant speed?

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Engineering

Which of the following should NOT be done to keep people from slipping on floors?

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Engineering

1. What types of fire can plain water be used on?

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Andrew Fletcher

Engineering

Pressurized steam at 400 K flows through a long, thin-walled pipe of 0.6-m diameter. The pipe is enclosed in a concrete (stone mix) casing that is of square cross section and 1.75 m on a side. The axis of the pipe is centered in the casing, and the outer surfaces of the casing are maintained at 300 K. What is the rate of heat loss per unit length of pipe, in W/m

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Engineering

If traffic is approaching on your left and there is a child riding a bike to your right, you should:

A. Move closer to oncoming traffic

B. Move closer to the bicyclist

C. Pull over until the road is clearer

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Urijah Woodward

Engineering

Alloy parts were cast with a sand mold that took 160 secs for a cube-shaped casting to solidify. The cube was 50 mm on a side. (a) Determine the value of the Chvorinov's mold constant. (b) If the same alloy and mold type were used, find the total solidification time for a cylindrical casting in which the diameter = 25 mm and length = 50 mm.

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Engineering

Critically analyse a common engineered product in terms of the materials used, the processes required to manufacture the product, and the historical context of the material leading to its present form

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Salvador Hoffman

Engineering

Given an unsorted array of distinct positive integers A[1 ... n] in the range between 1 and 10000 and an integer i in the same range. Here n can be arbitrary large. You want to find out whether there are 2 elements of the array that add up to i. Give an algorithm that runs in time O (n).

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Engineering

A hydraulic power unit is sometimes referred to as a?

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