Engineering

In Situation 12.2, the frequency of the tower siren tone, heard by the engine

In Situation 12.2, the frequency of the tower siren tone, heard by the engine

 
In Situation 12.2, the frequency of the tower siren tone, heard by the engineer, in SI units, is closest to: 
A)
 
1200 
B)
 
300/340 × 1200 
C)
 
340/300 × 1200 

mikael   477   2 Replies

mikael

A poly(ethylene) is made of the following fractional distribution. Calculate Mn , Mw and PI for ...

A poly(ethylene) is made of the following fractional distribution. Calculate Mn , Mw and PI for ...

 A poly(ethylene) is made of the following fractional distribution. Calculate Mn ,
Mw and PI for this polymer.
Wi 0.10 0.20 0.30 0.30 0.10
Mi (kg/mol) 20 40 60 80 100

cloveb   90   1 Reply

bolbol

An SOHC V-8 engine has how many camshafts?

An SOHC V-8 engine has how many camshafts?

A) One      B) Three      C) Two      D) Four

hungvu1997   157   1 Reply

bolbol

Compare and contrast controlled degradation (e.g. as occurs in biodegradable polymers or ceramics) ...

Compare and contrast controlled degradation (e.g. as occurs in biodegradable polymers or ceramics) ...

 Compare and contrast controlled degradation (e.g. as occurs in biodegradable polymers or ceramics) and corrosion. What are important design parameters associated with each? (5 sentences or less)

cloveb   116   1 Reply

bolbol

Estimate the average moisture content in the sample after 8 hours. Plot the moisture content ...

Estimate the average moisture content in the sample after 8 hours. Plot the moisture content ...

A piece of wood (2.52cm thick) with the edges sealed with a water-proofing cement was dried from both faces in a tunnel dryer using cross-circulation of air. The initial moisture content was 39.7% on the dry basis. No shrinkage occurred during drying

cloveb   131   2 Replies

cloveb

Jose cultivates a variety of plants for the fabric industry and is interested in genetically engine

Jose cultivates a variety of plants for the fabric industry and is interested in genetically engine

Jose cultivates a variety of plants for the fabric industry and is interested in genetically engineering fiber cell types. What cells type would he focus upon?

 

   A. Parenchyma cells.   
 

   B. Sieve tubes.   
 

Mira8642   2184   1 Reply

hankhill

Photosynthesis

Photosynthesis

Scientists have applied their knowledge of the different types of photosynthesis to increase plant productivity.  Match the innovation to the plant

1. C3
2. C4
3. CAM

A) Bioengineering to create higher plan

biochicka   889   1 Reply

ThePsychic

Technician a says that the strap edges of spool valves should be rounded using 400 grit sandpaper.

Technician a says that the strap edges of spool valves should be rounded using 400 grit sandpaper.

aUTOMOTIVE  technology by John Helderman

Yung Jamma   120   1 Reply

sholey

The atmospheric pressure is 740 mm Hg. Determine the pressure in the tank in psia

The atmospheric pressure is 740 mm Hg. Determine the pressure in the tank in psia

please help

Jacqueline JQ Mukona   99   1 Reply

bio_man

What is the partition coefficient for 3-nitroaniline between diethyl ether and water (at room ...

What is the partition coefficient for 3-nitroaniline between diethyl ether and water (at room ...

Use information available in the Merck Index, and show your calculations to answer the following questions:

a) What is the partition coefficient for 3-nitroaniline between diethyl ether and water (at room temperature and pH > 8)?

12

cloveb   4192   22 Replies

Fatima Almasri

You are designing a membrane filtration process to produced oxygen-enriched air. The design feed

You are designing a membrane filtration process to produced oxygen-enriched air. The design feed

You are designing a membrane filtration process to produced oxygen-enriched air. The design feed flow rate of air is 2000 SCFM. A low-density polyethylene dense membrane is to be used for the process. The membrane thickness is 0.20 micrometer. The ga

cloveb   107   2 Replies

cloveb

1 farad = ? Microfarad?

1 farad = ? Microfarad?

1 farad equal to how many microfarad

nycpharm   666   3 Replies

tonya1807

2.Suppose you take an 8 hour trip and travel 517 miles. What is your average velocity?

2.Suppose you take an 8 hour trip and travel 517 miles. What is your average velocity?

[html]2.

jacksonfive09   113   1 Reply

johnsyke

3D printer for some space stuff

3D printer for some space stuff

I`ve recently found an interesting article about 3D printer which is used in aerospace area. Have you heard anything about that? This machine allows to print multi-composite parts simultaneously from several materials, which is infeasible in other ty

bear56   290   5 Replies

bear56

7 Levers Mechanical Lock.

7 Levers Mechanical Lock.

Attached image of a 7 Levers Mechanical Lock.

Theoretically and Practically, How many Levers Mechanical Lock can be created?

I.e. 10, 15, 20 ....

Thanks & Regards,
Prashant S Akerkar

Post Me

prashantakerkar   226   3 Replies

bio_man

A "technocrat" was

A "technocrat" was

A "technocrat" was
A) a new political partisan of the Christian Democratic Party.
B) an opponent of the replacement of men by machines.
C) a new breed of bureaucrat typified by training in engineering or economics.
D) a

colleen   282   1 Reply

wonderworld

A 3D CAD model offers all the benefits of a 2D model and a physical model. (True or false?)

A 3D CAD model offers all the benefits of a 2D model and a physical model. (True or false?)

A 3D CAD model offers all the benefits of a 2D model and a physical model.
 
  Indicate whether the statement is true or false

life_skals   35   1 Reply

afifazuki

A 3D polyline is a single continuous object made of lines and arc segments. (True or false?)

A 3D polyline is a single continuous object made of lines and arc segments. (True or false?)

A 3D polyline is a single continuous object made of lines and arc segments.
 
  Indicate whether the statement is true or false

Abisf   38   2 Replies

Abisf

A 3D solid object can also be considered to be a wire object if any of the wireframe visual styles ...

A 3D solid object can also be considered to be a wire object if any of the wireframe visual styles ...

A 3D solid object can also be considered to be a wire object if any of the wireframe visual styles is active.
 
  Indicate whether the statement is true or false

aleja98   50   1 Reply

asistrunk13

A 3D solid object can be sliced only by an imaginary plane (True or false?)

A 3D solid object can be sliced only by an imaginary plane (True or false?)

A 3D solid object can be sliced only by an imaginary plane.
 
  Indicate whether the statement is true or false

Flognog   51   1 Reply

analucia_reid

A 3D wireframe can be useful for piping layout around other 3D equipment, Indicate whether the ...

A 3D wireframe can be useful for piping layout around other 3D equipment, Indicate whether the ...

A 3D wireframe can be useful for piping layout around other 3D equipment,
 
  Indicate whether the statement is true or false

jerhughes   39   1 Reply

CrazyNaut

A beaker filled with an equimolar liquid mixture of ethyl alcohol and ethyl acetate evaporates

A beaker filled with an equimolar liquid mixture of ethyl alcohol and ethyl acetate evaporates

A beaker filled with an equimolar liquid mixture of ethyl alcohol and ethyl  acetate evaporates ast 0oC into still air at 101kPa total pressure. Assuming Raoul's law apples, what will be the composition of the liquid remaining wh

90daytona   1001   1 Reply

bolbol

A beveled or sloping edge on a hole is a:

A beveled or sloping edge on a hole is a:

A beveled or sloping edge on a hole is a:
 
  a. Knurl
  b. Keyway
  c. Taper
  d. Chamfer
  e. Datum

life_skals   61   2 Replies

life_skals

A break line should be drawn coinciding with a hidden line but never with a visible line. ...

A break line should be drawn coinciding with a hidden line but never with a visible line. ...

A break line should be drawn coinciding with a hidden line but never with a visible line.
 
  Indicate whether the statement is true or false

Softball612   88   1 Reply

holaholapiepie

A break used on cylindrical shafts or tubes are referred to as _______________. (Fill in the blank)

A break used on cylindrical shafts or tubes are referred to as _______________. (Fill in the blank)

A break used on cylindrical shafts or tubes are referred to as _______________.
 
  Fill in the blank(s) with correct word

GOOD2Know17   37   1 Reply

Kaydince

A cereal is being dried in a vertical drier by air flowing countercurrent to the cereal. To prevent

A cereal is being dried in a vertical drier by air flowing countercurrent to the cereal. To prevent

A cereal is being dried in a vertical drier by air flowing countercurrent to the cereal. To prevent breakage of the cereal flakes, exit air from the drier is recycled. For W = 1000 kg/h of wet cereal fed to the drier, calculate the input of moist fre

90daytona   485   2 Replies

candelario Ocaña Vazquez

A close traverse is a polygon in which the last angle and distance meet back at the starting point ...

A close traverse is a polygon in which the last angle and distance meet back at the starting point ...

A close traverse is a polygon in which the last angle and distance meet back at the starting point of the loop.
 
  Indicate whether the statement is true or false

Softball612   75   1 Reply

rosie_9800

A collision in which a moving object collides with a fixed stationary object can be modeled using __________.

A collision in which a moving object collides with a fixed stationary object can be modeled using __________.

A collision in which a moving object collides with a fixed stationary object can be modeled using __________.

D-john   159   1 Reply

tlaster

A competitor can lawfully use a rival's trade secret if the competitor got the t

A competitor can lawfully use a rival's trade secret if the competitor got the t

A competitor can lawfully use a rival's trade secret if the competitor got the trade secret by means of ________.
A) cross-licensing
B) reverse engineering
C) patenting
D) copyrighting

This is for my business law cla

Desolo   1151   1 Reply

bbb

A constraint-based modeler is used to create a gear cluster assembly by inserting modeled bicycle ...

A constraint-based modeler is used to create a gear cluster assembly by inserting modeled bicycle ...

A constraint-based modeler is used to create a gear cluster assembly by inserting modeled bicycle gear cogs and spacers onto a splined hub. Axial and radial alignment of the elements is critical to maintaining an accurate model. Define a sensible bas

jake08benn   94   1 Reply

ztboyce

A container in the shape of a right circular cylinder with no top has surface area 3 pi ...

A container in the shape of a right circular cylinder with no top has surface area 3 pi ...

A container in the shape of a right circular cylinder with no top has surface area 3 pi ft2. What height h and base radius r will maximize the volume of cylinder? Apply Matlab optimization toolbox.


CHE 425   Process and Eng

cloveb   500   2 Replies

bio_man

A crime scene which involved the collapse of a structure would be analyzed by sp

A crime scene which involved the collapse of a structure would be analyzed by sp

A crime scene which involved the collapse of a structure would be analyzed by specialists in the area of:
a. Forensic computer and digital analysis.
b. Forensic error analysis.
c. Criminalistics.
d. Forensic engineering.

arealhero   653   3 Replies

newstart

A cutting plane line that is not straight and is offset or bending through the object is typically ...

A cutting plane line that is not straight and is offset or bending through the object is typically ...

A cutting plane line that is not straight and is offset or bending through the object is typically of a _________________ section.
 
  Fill in the blank(s) with correct word

Omarlate   92   1 Reply

yujenni16

A cylindrical face of a 3D solid having a radius of 1.25 is edited using the Offset faces tool. If ...

A cylindrical face of a 3D solid having a radius of 1.25 is edited using the Offset faces tool. If ...

A cylindrical face of a 3D solid having a radius of 1.25 is edited using the Offset faces tool. If the offset distance specified is 0.25, what will the final radius of the edited face be?
 
  a. 1.50
  b. 1.25
&nbs

Leahh3749   52   1 Reply

danielmata99

A diagram that shows the electrical connections and the function of a specific circuit arrangement ...

A diagram that shows the electrical connections and the function of a specific circuit arrangement ...

A diagram that shows the electrical connections and the function of a specific circuit arrangement describes:
 
  a. Abbreviation
  b. Symbol
  c. Single-line diagram
  d. Schematic diagram
&nbs

Breionna   37   1 Reply

jjacksonmia

A diameter or radius dimension value should always be ____________ by the diameter or radius symbol, ...

A diameter or radius dimension value should always be ____________ by the diameter or radius symbol, ...

A diameter or radius dimension value should always be ____________ by the diameter or radius symbol, respectively.
 
  Fill in the blank(s) with correct word

jeanettedavis84   59   1 Reply

ktlyn_16

A dimension or note that applies to a specific item is called a:

A dimension or note that applies to a specific item is called a:

A dimension or note that applies to a specific item is called a:
 
  a. Mating dimension
  b. Reference dimension
  c. Chain dimension
  d. Superfluous dimension
  e. Local note

QiTian   105   1 Reply

Bboggie17

A drier must remove 200 Kg of H2O per hour from a certain material. Air at 22oC

A drier must remove 200 Kg of H2O per hour from a certain material. Air at 22oC

A drier must remove 200 Kg of H2O per hour from a certain material. Air at 22oC and 50% relative humidity enters the drier and leaves at 72oC and 80% relative humidity. What is the weight (in Kg) of dry air used per h

90daytona   435   1 Reply

bolbol

A full-size working model made to final specifications is known as:

A full-size working model made to final specifications is known as:

A full-size working model made to final specifications is known as:
 
  a. Life-cycle design
  b. Feature-based modeling
  c. Prototyping
  d. Product definition
  e. Computer-based modelin

mahafakhoury   45   1 Reply

Elayyyna

A gaseous mixture has the following composition (suppose that each of the individual mixture compon

A gaseous mixture has the following composition (suppose that each of the individual mixture compon

A gaseous mixture has the following composition (suppose that each of the individual mixture components and the mixture as a whole behave in  an ideal manner):

CH4 (methane)   8mol7%
C2H6 (ehane)      12 mol%

samisue   150   1 Reply

bolbol