Engineering » Page 82

Engineering

Juliana Burns

The power supply converts the wall outlet AC power into DC power. T or F

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Engineering

Savannah Mckenzie

Consider a fully developed flow in a circular pipe (negligible entrance effects), how does the convective heat transfer coefficient vary along the flow direction? a) Gradually decrease b) Gradually increase c) Remain constant d) There is not enough information to determine

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Engineering

Hassan Carter

3. An isolated system has an initial temperature of 30oC. It is then placed on top of a Bunsen burner whose temperature is 70oC for an hour. What is the final temperature? Explain. [25]

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Engineering

Ariella Hays

Calculate the percent voids between aggregate particles that have been compacted by rodding, if the dry-rodded unit weight is 88.0 lb/cu ft and the bulk dry specific gravity is 2.701.

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Engineering

Caleb Alvarez

In the proximate analysis of a coal sample, the combustible portion that is released by (a) heating value (b) moisture heating the sample in the absence of O2 is called the: (c) volatile matter (d) fixed carbon (e) ash.

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Engineering

Dangelo Pugh

In the fluid-flow analogy for electrical circuits, what is analogous to a conductor?

In the fluid-flow analogy for electrical circuits, what is analogous to a conductor?

An opened valve

A pump

A fluid

A closed valve

A frictionless pipe

A constriction in a pipe

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Engineering

Rachel Norris

What are the optical properties of steel

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Engineering

Graham

In sleep, what does REM stand for?

a

Radical eye movement

b

Random eye maneuver

c

Rapid eye movement

d

Rigid eye motion

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Engineering

Jessie Garner

Name the four basic families of shape production processes. Explain the main advantages and disadvantages of each one.

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Engineering

Bizzy

A cube of aluminum 21.0 cm on each side is cooled from 105 °C to 30 °C. If the energy removed from the aluminum cube were added to a copper cube of the same size at 40 °C, what would be the final temperature of the copper cube? (rhoAl = 2700 kg/m³; rhocopper = 8890 kg/m³)

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Engineering

Leah

Write multiple if statements. If car_year is 1969 or earlier, print "Few safety features." If 1970 or later, print "Probably has seat belts." If 1990 or later, print "Probably has antilock brakes." If 2000 or later, print "Probably has airbags." End each phrase with a period and a newline. Sample output for input: 1995

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Engineering

Dylan Murphy

Tech A says that over time a grease seal can wear a groove in the sealing surface of the axle or shaft. Tech B says that grease seals need to be replaced every time the bearing is removed. Who is correct?

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Engineering

Maddison Harvey

Sea X una variable aleatoria con funci'on de densidad

f (x) = x si x ∈ (0, 1]

2 - x si x ∈ (1, 2]

0 en el resto

Determinar las funciones de distribución y de densidad de las variables aleatorias:

a) Y = X + 1;

b) Y = - 1/2X;

c) Y = X^2;

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Engineering

Kailee Arellano

What properties should the head of a carpenter's hammer possess? How would you manufacture a hammer head?

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Engineering

Camilla

What is the terms for this definition? The unique layout and focus of each type of promotion

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