Engineering » Page 126

Engineering

6 years ago

Rod is fixed at and perfectly bonded to rod at, as illustrated below. Rod has length, diameter and is made of a material with shear modulus. Rod has length, diameter and is made of a material with shear modulus. A torque is applied at and a torque is applied at. Matlab Mathematica Python L1

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Engineering

6 years ago

Which of the following accounts will give you the LEAST access to your money?

Simple

savings

account

Certificate of

Deposit (CD)

Checking

account

Cash

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Engineering

6 years ago

Government actions can have positive or negative effects on business. true or false

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Engineering

6 years ago

Why can crashes be considered two separate collisions?

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Engineering

6 years ago

The different forms of a gene for a given trait are called what

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Tristian Stanley

Engineering

6 years ago

A room contains 50 kg of dry air and 06 kg of water vapor at 25°C and 95 kPa total pressure. The saturation p ressure of water at 25 "C is 3.1698 kPa. The molar masses for air and water are 29 kg/kmol and 18 kg/kmol, respectively Determine (a) The specific humidity of air in the room; (b) The relative humidity of air in the room.

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Jayleen Frazier

Engineering

6 years ago

A dipstick is (a direct, an indirect) measurement device

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Engineering

6 years ago

Electrical circuits must be locked-out/tagged-out before electricians work on any equipment. Is this true or false?

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Engineering

6 years ago

A house has well-insulated walls. It contains a volume of 135 m3 of air at 275 K. (a) Consider heating it at constant pressure. Calculate the energy required to increase the temperature of this diatomic ideal gas by 1.8°C. kJ (b) If this energy could be used to lift an object of mass m through a height of 2.4 m, what is the value of m? If this energy could be used to lift an object of mass m through a height of 2.4 m, what is the value of m? kIf this energy could be used to lift an object of mass m through a height of 2.4 m, what is the value of m? kg

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Engineering

6 years ago

In a bicycle race, a bicyclist coasts down a hill with a 7 % grade to save energy. The mass of the bicycle and rider is 80 kg, the projected area is 0.2 m2, and the drag coefficient is 0.9. Air temperature is 17 ºC. Neglecting rolling friction and bearing friction, determine the maximum speed of the bike if there is a head wind of 15 km/h.

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Engineering

6 years ago

A household refrigerator with a COP of 1.2 removes heat from the refrigerated space at a rate of 60kJ/min. Determine: (a) The electric power consumed by the refrigerator, and (b) The rate of heat transfer to the kitchen air.

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Engineering

6 years ago

The vertical and horizontal poles at the traffic-light assembly are erected first. Determine the additional force and moment reactions at the base O caused by the addition of the three 86-lb traffic signals B, C, and D. Report your answers as a force magnitude and a moment magnitude.

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Engineering

6 years ago

Let suppose, you are going to develop a web-application for school management system. Then what architectural pattern will you use and why? (Justify your answer with details)

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Engineering

6 years ago

The aerodynamic behavior of a flying insect is to be investigated in a wind tunnel using a ten-times scale model. It is known that the insect's velocity depends on its size (characteristic length L), wing flapping frequency ω, surrounding fluid's density rho and viscosity μ. If the insect flaps its wings 50 times a second when flying at 1.25 m/s, determine the wind tunnel air speed and wing oscillation frequency required for dynamic similarit

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Engineering

6 years ago

Work-producing devices that operate on reversible processes deliver the most work, and work-consuming devices that operate on reversible processes consume the least work. a) - True b) - False

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