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An adiabatic air compressor is to be powered by a direct coupled adiabatic steam turbine that is also driving a generator. Steam enters the turbine at 12.5 MPa and 500-degree C at a rate of 25 Kg/s and

Shahanaz asked Aug 18, 2020

by Shahanaz

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0.3 kg air inside 42.9 litres cylinder has a temperature is 31.0°C. The R value for air = 287 J/kg/K. What is the pressure of air inside the cylinder? (k Pascal)

Johanne Irish asked Aug 18, 2020

by Johanne Irish

6.1k points

1 answer

4 votes

68.6k views

The velocity of a point mass that moves along the s-axis is given by s' = 40 - 3t^2 m/s, where t is in seconds. Find displacement of the particle from t = 2 s to t 6 s.

Jpa asked Aug 18, 2020

by Jpa

5.8k points

1 answer

4 votes

84.9k views

A piece of corroded steel plate was found in a submerged ocean vessel. It was estimated that the original area of the plate was 16 in.2 and that approximately 3.2 kg had corroded away during the submersion.

Nilesh asked Aug 18, 2020

by Nilesh

6.5k points

1 answer

0 votes

193k views

A 25 lb sacrificial Mg anode is attached to the steel hull of a container ship. If the anode completely corrodes within 3 months, what is the average current produced by the anode?

Igorzg asked Aug 18, 2020

by Igorzg

6.5k points

1 answer

3 votes

43.0k views

A well-established way of power generation involves the utilization of geothermal energy-the energy of hot water that exists naturally underground- as the heat source.If a supply of hot water at 140oC

Dylan Vander Berg asked Aug 18, 2020

by Dylan Vander Berg

6.3k points

1 answer

2 votes

233k views

Find the number of Btu conducted through a wall in 8 hours. The wall is 8 feet high by 24 feet long and has a total R-value of 16.2 hr⋅°F⋅ft2 /Btu, including the effects of the inner and outer air layers.

Nikunj Kakadiya asked Aug 18, 2020

by Nikunj Kakadiya

6.0k points

1 answer

5 votes

89.1k views

Explain with schematics the operating principle of solid state lasers.

Niels Kristian asked Aug 17, 2020

by Niels Kristian

6.4k points

1 answer

3 votes

219k views

Magnetic micro-generators are considered for the recovery of mechanical energy from vibrations. a)-True b)- False,

Reirab asked Aug 17, 2020

by Reirab

5.9k points

1 answer

0 votes

156k views

An isentropic steam turbine processes 2 kg/s of steam at 3 MPa, which is exhausted at50 kPa and 100C. Five percent of this flow is delivered for feedwater heating at 500 kPa. Determine the power produced

DarkRob asked Aug 17, 2020

by DarkRob

5.6k points

1 answer

4 votes

129k views

Find the following for an input of 120 VAC(RMS), 60 hertz, given a 10:1 stepdown transformer, and a full-wave bridge rectifier. Rload is 50 ohms. Round off to the nearest tenths place. i. Primary or Input

Hendraspt asked Aug 17, 2020

by Hendraspt

6.2k points

1 answer

1 vote

1.1k views

For some transformation having kinetics that obey the Avrami equation (Equation 10.17), the parameter n is known to have a value of 2.1. If, after 146 s, the reaction is 50% complete, how long (total time)

Javorosas asked Aug 17, 2020

by Javorosas

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1 answer

3 votes

208k views

A Geostationary satellite has an 8kW RF transmission pointed at the earth. How much force does that induce on the spacecraft? (N)

Petr Lazecky asked Aug 17, 2020

by Petr Lazecky

6.2k points

1 answer

4 votes

68.9k views

In a diesel engine, the fuel is ignited by (a) spark (c) heat resulting from compressing air that is supplied for combustion (d) ignition (e) combustion chamber. (b) injected fuel

Vemund asked Aug 17, 2020

by Vemund

5.6k points

1 answer

4 votes

34.0k views

The total force on a surface results from integrating what over the surface in fluid mechanics

AsksAnyway asked Aug 17, 2020

by AsksAnyway

6.3k points

1 answer

5 votes

54.0k views

Which of the following is a quality of critical thinkers? able to make assumptions an excellent memory a stubborn personality being analytical

Sachin Mathew asked Aug 17, 2020

by Sachin Mathew

5.9k points

2 answers

4 votes

66.5k views

Water flows through a very long 52 mm ID (Internal Diameter) drawn copper pipe. The pipe is horizontal and has an internal roughness height of ε=0.0015 mm. The pressure drop along a 200m long section of

Mohamed Medhat asked Aug 17, 2020

by Mohamed Medhat

5.6k points

1 answer

4 votes

55.5k views

Select which option best completes the following statement: _____________ can add or subtract features from the __________ backlog at any time.

Ondrej Prochazka asked Aug 17, 2020

by Ondrej Prochazka

5.9k points

1 answer

2 votes

235k views

// This program is supposed to display every fifth year // starting with 2017; that is, 2017, 2022, 2027, 2032, // and so on, for 30 years. start Declarations num year num START_YEAR = 2017 num FACTOR

Chaoley asked Aug 17, 2020

by Chaoley

6.1k points

1 answer

5 votes

79.8k views

What are the two types of furnaces used in steel production?

Atypical asked Aug 16, 2020

by Atypical

6.4k points

1 answer

2 votes

145k views

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