Recent questions in Engineering

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The big ben clock tower in london has clocks on all four sides. If each clock has a minute hand that is 11.5 feed in length, how far does the tip of each hand travel in 52 minutes?

Uhall asked Jan 8, 2021

by Uhall

4.0k points

1 answer

4 votes

110k views

Is it more difficult to pump oil from a well on dry land or a well under water?Why?

Rad asked Jan 8, 2021

by Rad

4.2k points

2 answers

0 votes

97.6k views

True/False If a contractor chooses to use their own quality system, they must demonstrate compliance with the established military standard through formal third party certification. [Identify DoD policy

Paul Dolega asked Jan 8, 2021

by Paul Dolega

3.9k points

1 answer

5 votes

28.8k views

An isolated piston-cylinder device contains 5 L of saturated liquid water at a constant pressure of 150 kPa. An electric resistance heater inside the cylinder is now turned on, and 2200 kJ of energy is

Thierry J asked Jan 8, 2021

by Thierry J

4.7k points

1 answer

3 votes

74.0k views

An inventor has developed a machine that extracts energy from water and other effluents drained from apartments in a building. The machine essentially consists of a hydraulic turbine placed in the basement

Bernard Paulus asked Jan 8, 2021

by Bernard Paulus

4.4k points

2 answers

3 votes

196k views

Ammonia is contained in a closed, rigid 5-m3 tank initially a two-phase liquid-vapor mixture with a pressure of 2 bar. The tank contents are heated and at the final state the pressure is 4 bar and the

Saravanan Saminathan asked Jan 7, 2021

by Saravanan Saminathan

4.3k points

1 answer

1 vote

32.6k views

5.3-16 A professor recently received an unexpected $10 (a futile bribe attached to a test). Being the savvy investor that she is, the professor decides to invest the $10 into a savings account that earns

Vulcan asked Jan 7, 2021

by Vulcan

3.7k points

1 answer

5 votes

234k views

Answer this question fast

Nika Roffy asked Jan 7, 2021

by Nika Roffy

4.4k points

1 answer

4 votes

5.9k views

A water treatment plant is designed to process 100 ML/d (mega liter per day). The flocculator is 30 m long, 15 m wide, and 5 m deep. Revolving paddles are attached to four horizontal shafts that rotate

TheITGuy asked Jan 7, 2021

by TheITGuy

4.4k points

1 answer

1 vote

118k views

How do the brushes control the amount of charging an alternator does

Dolla asked Jan 7, 2021

by Dolla

3.8k points

1 answer

5 votes

102k views

A 0.9% solution of NaCl is considered isotonic to mammalian cells. what molar concentration is this?

Gnana Guru asked Jan 7, 2021

by Gnana Guru

4.4k points

1 answer

5 votes

89.5k views

Air is saturated with water vapor at 35.0 oC and a total pressure of 1.50 atmospheres. If the molar flow rate of the dry air in this stream is 300 mols per minute, what is the molar flow rate of water

Xiaohua asked Jan 7, 2021

by Xiaohua

4.3k points

1 answer

5 votes

219k views

Air enters the combustor of a jet engine at p1=10 atm, T1=1000°R, and M1=0.2. Fuel is injected and burned, with a fuel/air mass ratio of 0.06. The heat released during combustion is 4.5 x 10^8 ft-lbf per

Angee asked Jan 7, 2021

by Angee

4.4k points

1 answer

1 vote

166k views

The basic concept of feedback control is that an error must exist before some corrective action can be made?

Jwi asked Jan 7, 2021

by Jwi

4.2k points

2 answers

3 votes

135k views

A seasonal color change helps animals in the Taiga to

JasonK asked Jan 7, 2021

by JasonK

4.2k points

1 answer

5 votes

232k views

For this homework you are writing a main function, with 3 subfunctions. 2. The "main" function is to be named arm_prop a. Inputs: x => this is the vector that is sent to the function b. Outputs: gm, ra,

Webleeuw asked Jan 7, 2021

by Webleeuw

4.2k points

1 answer

4 votes

234k views

The current drawn by fluorescent lighting has a high total harmonic distortion. For this case, THD is calculated to be 88%. The true power factor is measured to be 0.72 lagging. What is the displacement

Yann Dubois asked Jan 7, 2021

by Yann Dubois

4.1k points

1 answer

2 votes

141k views

Name the important trees of tropical monsoon forest

Stiggo asked Jan 7, 2021

by Stiggo

4.0k points

1 answer

0 votes

3.0k views

In your first job with a large U.S based steel company, you have been assigned to a team tasked with developing a new low carbon steel alloy. In the iron-carbon system, the kinetics of the austenite to

Abhay Sehgal asked Jan 7, 2021

by Abhay Sehgal

3.9k points

2 answers

0 votes

130k views

An aluminum heat sink (k = 240 W/m-K) used to cool an array of electronic chips consists of a square channel of inner width w = 30 mm, through which liquid flow may be assumed to maintain a uniform surface

Nick Daniels asked Jan 7, 2021

by Nick Daniels

4.1k points

2 answers

3 votes

71.4k views

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