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Jaiden Conley
EngineeringEngineering
What is biomass?

A) Organic matter that can be used as a fuel source

B) Natural resource that takes more than a lifetime to replenish

C) Alternative energy forms like solar energy and wind power that can be recycled

D) Renewable energy captured through using the heat of the Earth
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Leanna Snow
EngineeringEngineering
For the following pairs of sinusoidal time functions, determine which one leads/lags and by how much. (a) ?1 (?) = 4sin (6π*104?+60°) V and?2 (?) = 2cos (6π*104?-20°) V. (b) ? (?) = 10cos (400?-75°) V and? (?) = 4sin (400?+30°) A.
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Robles
EngineeringEngineering
What are pneumatic tools powered by?
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Aiyana Wilkerson
EngineeringEngineering
Ceramics has the weakness of resisting high compression force but low tensile force. a) - True b) - False
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Fun Size
EngineeringEngineering
A cylindrical bar of metal having a diameter of 20.2 mm and a length of 209 mm is deformed elastically in tension with a force of 50500 N. Given that the elastic modulus and Poisson's ratio of the metal are 65.5 GPa and 0.33, respectively, determine the following: (a) The amount by which this specimen will elongate in the direction of the applied stress. (b) The change in diameter of the specimen. Indicate an increase in diameter with a positive number and a decrease with a negative number.
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Brooklynn Leblanc
EngineeringEngineering
Which of the following statements regarding piston rings is false? Select one: a.

A compression ring prevents pressurized refrigerant from blowing past the piston into the crankcase.

b. The inner diameter of a piston ring is slightly larger than the piston diameter.

c. The ends of piston rings are beveled to allow overlap.

d. An oil ring prevents excess oil from entering the cylinder.
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Axle
EngineeringEngineering
In solid rocket motor terminology, a sliver is: A. A basic geometric shape B. Leftover propellant C. A test article for propellant characterization D. A type of igniter
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Lexie Stanton
EngineeringEngineering
Technician A says a "dry park check" is a good way to check ball joints and control arm bushings for looseness. Technician B says that inner tie rod ends

can be most effectively checked for wear on an alignment rack with the vehicle's weight on the wheels and the locking pins removed from the turn

plates. Who is correct?

A. Technician A only

B. Technician B only

C. Both Technician A and B

D. Neither Technician A nor B
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Jakob Michael
EngineeringEngineering
Describe the three primary duties for engineer
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Valeria Dorsey
EngineeringEngineering
Q2: The average water height of an ocean area is 2.5 m high and each wave lasts for an average period of 7 s. Determine (a) the energy and power of the wave per unit area and (b) the work and average power output of a wave power plant on this ite with a plant efficiency of 35% and a toltal ocean wave area of 1 km2. Take the density of the seawater to be 1025 kg/m3.
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Slade Fox
EngineeringEngineering
Definition: Part of the Earth's stratosphere which contains relatively high concentrations of O3. It absorbs much of the ultraviolet radiation that would normally reach the surface of the earth.
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Junior Lloyd
EngineeringEngineering
What is the most important function of any control system?
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Sariah Foster
EngineeringEngineering
Why research and development in Maintenance Engineering?
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Susie Q
EngineeringEngineering
The common-emitter current gains of two transistors are β = 60 and β = 150. Determine the corresponding common-base current gains. (b) The commonbase current gains of two transistors are α = 0.9820 and α = 0.9925. Determine the corresponding common-emitter current gains.
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Marco Bird
EngineeringEngineering
Steam enters a turbine operating at steady state at 600°F and 200 lbf/in^2 with a velocity of 80 ft/s and leaves as saturated vapor at 5 lbf/in^2 with a velocity of 300 ft/s. The power developed by the turbine is 200 horsepower. Heat transfer from the turbine to the surroundings occurs at a rate of 50,000 Btu/h.

a. Neglecting potential energy effects, determine the mass flow rate of steam, in lb/s.
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