57 Answered Questions for the topic Engineering

03/23/17

Traffic Engineering
An exit ramp sign with 6 words, located 10maway (to the side) from the driver path.• Given– Design acuity (worse than average) = 20/40=0.5– Design speed = 90km/h.• Questions– We design on the safe... more
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Engineering Maths

03/08/17

Maths problem
the resistace R of a wire is directly proportional to its length. If R=40mohms for a wire 10 cm long , find the resistance R in mohms : a) when the length decreases to 6cm b) when the length... more
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Engineering Maths

02/04/17

Maths problems
the solar energy falling on one square centimeter of the earth is 1.93 calories per minute.if 1 kW = 239 calories per second , how many kilowatts per square meter fall on the earth?round answer to... more
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Engineering Physics Maths

02/04/17

solve the problem
the resisitance of a no.8 copper wire whose cross section is 8.37mm^2 is 2.06 ohms per kilometer.a. what is the resistance in ohms per 1000 ft?b. what is the cross section in square inches?
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Engineering

09/25/16

518m long steel arch. how much will it's length change between temperature extremes of -20 degrees Celsius and 35 degrees Celsius
the new river gorge in west virginia is a 518m long steel arch. how much will it's length change between temperature extremes of -20 degrees Celsius and 35 degrees Celsius 
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Engineering

09/02/16

The example how you get the answer
What is the weight of the plain carbon steel used in the construction of a cylinder that has a radius of 5" and a height of 24" assume 1/2" thick steel is the material used?
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Engineering

09/02/16

What is the weight of the plain carbon steel used in the construction of a cylinder that has a radius of 5"
What is the weight of the plain carbon steel used in the construction of a cylinder that has a radius of 5" and a height of 24" assume 1/2" thick steel is the material used?
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Engineering Math Trigonometry

08/21/16

how do I evaluate cos^2 (95 degrees)
I was assigned a math packet for an engineering class and I'm supposed to show work on all problems. Is there any handwritten way to solve this?
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Engineering Math Physics Stem

07/18/16

If a person has been riding a bike for 5 seconds and gone a distance of 30 meters (m), how fast is he or she going?
There really is no other details.
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Engineering Fluid Cengel

06/26/16

Could anyone give the work solution. its a fluid mechanics question about turbomachinery
A local ventilation system (a hood and duct system) is used to remove air and contaminants from a pharmaceutical lab (Fig. P14–51). The inner diameter (ID) of the duct is D 5 150 mm, its average... more
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Engineering Word Problem

04/29/16

Advising a building contractor
A building contractor has acquired a 10 acre site and plans to develop it as a residential area. The contractor has two basic designs for homes: a low income home and a middle income home. he... more
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Engineering College Math Everyone

04/21/16

help me if you can
can you turn metric tons/yr to mg/Ncm
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04/20/16

can anyone do this?
the source of of emission is the standby diesel set. the generator set is maintained to assure highest efficiency and avoid poor fuel combustion that result to dark emissions. Emission expected... more
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Engineering

04/20/16

There are two circles |z|=0.5 and |z|=0.8 .what is the common region of convergence for both and why? Thanks in advance.
There are two circles |z|=0.5 and |z|=0.8 what is the common region of convergence for both and why?Thanks in advance.
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03/18/16

What career paths can I pursue with Environmental + Mechanical Engineering???
I possess a deep appreciation of nature. I love to go on treks and wilderness explorations. I desire to find solutions to climate change, innovate and design more efficient systems along with... more
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02/23/16

why the switching transient changes if we change the length of a transmission line
 what are the changes in the transient of a transmission line if we change the length of that line and why this changes of transient occurs?
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Engineering

02/15/16

maximum frequency in band limited signal x(t) is 5 khz. Then maximum frequency in x(t)cos(2000*3.14t) will be _________
maximum frequency in band limited signal x(t) is 5 khz. Then maximum frequency in x(t)cos(2000*3.14t) will be _________
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01/30/16

how i can take equal quarters of an half imperial size sheet ????
as i am an civil engineering student engineering drawing is an important subject for me i got an assignment in which i have to draw circumscribed and inscribed figures but befor drawing this i have... more
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Engineering

01/16/16

what should i have and do to work in nasa
i am living in Cairo i am studying engineer and i wont to specialized in all field of engineering and i wont to work in NASA what should i do what courses i need and where is the best place to take... more
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Engineering

11/26/15

"""""PLEASE HELP ME""""!!!!!!
"""""PLEASE HELP ME""""!!!!!!      if i want to be went to flight control software engineering,which engineering can i choose {{software OR Aerospace}}engineering????   reply me immediately
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10/11/15

Repeated posting: Add these vectors or subtract them? corrected a typo in the problem
  A jet plane intended to be on a velocity and course of 870 knots, 44 degrees south of west encounters wind. The flight tower shows that their actual velocity and path is 840 knots, 49 degrees... more
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Engineering Math Velocity Vectors

10/11/15

Add these vectors or subtract them?
  A jet plane set to be on a velocity and course of 840 knots, 44 degrees south of west encounters wind. The flight tower shows that their actual velocity and path is 840 knots, 49 degrees south... more
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07/26/15

Fluid Mechanics, Hydrostatic force on submerged plane.
A vertical rectangular gate, 3m wide and 2m high is hinged at H. On the left side of the gate, sea water lies up to a height 1.2m above the top of the gate. Whereas on the right side of the gate,... more
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07/25/15

A fluid mechanics question, please help.
A vertical rectangular gate, 3m wide and 2m high is hinged at H. On the left side of the gate, sea water lies up to a height 1.2m above the top of the gate. Whereas on the right side of the gate,... more
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Engineering

06/30/15

If the silver top is ten times more expensive as stainless steel, what are the most economical dimensions (height and radius) of the container if it is to...
... Hold 314cm3. The figure is a cylindrical figure and the sides are stainless steel except for the top.
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