Answer:
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what is the difference between science and engineering?
Answer:
The following table is among some of the discrepancies between some of the different topics.
Explanation:
Science seems to be the application of structured organized facts which could be interpreted scientifically because when engineering would be a branch of science which deals with either the profession of acquiring including using technological, computational, economical and severity of adverse effects to design and manufacture equipment and devices that seem to be beneficial to mankind.Science would be a set of information and established frameworks whereas the use of these models and information to construct structures as well as mechanisms becomes engineering.Which resource can tell you what types of insulation you can use in a given installation? a. NESC b. NFPA c. NIOSH d. NEC
Answer:
D. NESC
Explanation:
first of all what's the meaning of NESC:
NESC: National Electrical Safety Code
The National Electrical Safety Code is a United States standard of the safe operation, maintenance, and installation of communication ,
utility system and electric power.
Which includes the following.
1.) power and communication underground lines
2.)power and communication overhead lines,
3.) Power substations
NESC are the ones to tell us the type of installation to use for a particular operation and particular location.
For both safety purposes and to reduce life hazard and community hazard due to elect item.
If you think a hazard is serious, what is the best way to ensure that OSHA will
conduct a site inspection?
Help
Answer:
The best way to ensure that OSHA will conduct a site inspection is by the submission a signed (by a current employee or employee representative) Formal Written complaints following OSHA guidelines (which can be found in the Council of Safety and Health (COSH) website) which will enable the commencement of process for an on site inspection
As such it is advisable to go through the following procedure before, filing a complaint
1) Talk to your workers union about the hazard
2) If you do not belong to a union, talk to your co-workers
3) Inform your employer who has responsibility for on the job safety
4) Speak or have a meeting with OSHA so as to receive guidance before filing a complaint
Explanation:
If you think a hazard is serious, the best way to ensure that OSHA will conduct a site inspection is to file a complaint.
Hazard simply means a potential source of harm. It should be noted that hazards can have detrimental effect on the health of an individual.
If you think a hazard is serious, the best way to ensure that OSHA will conduct a site inspection is to file a complaint asking OSHA to inspect the workplace. In a situation whereby OSHA finds a serious hazard, it'll be kept confidential.
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When you arrive at an intersection with a stop sign in your direction, if there is no marked stop
line, you must
A: Stop within 10 feet of the intersecting roadway, on top of the pedestrian crosswalk if there is one.
B: Wait for pedestrians in the crosswalk to cross, then stop on the pedestrian crosswalk.
C: Stop before entering the pedestrian crosswalk.
Answer:
The answer is B. Wait for the pedestrians in the crosswalk to cross, then stop on the pedestrian crosswalk.
Based on the concept of road usage, and the available options, when you arrive at an intersection with a stop sign in your direction, if there is no marked stop line, you must Stop before entering the pedestrian crosswalk.
What is Pedestrian Crosswalk?Pedestrian Crosswalk is a term that is used to describe a place designated for pedestrians to cross a road, street, or avenue.
Generally, the term "pedestrian crosswalk" is also used in the Vienna and Geneva Conventions, both of which pertain to road signs and road traffic.
In this case, it is expected that when you arrive at an intersection with a stop sign in your direction, if there is no marked stop line, you must stop at the edge of the intersection just before entering the crosswalk or intersection.
It's important to come to a complete stop to ensure that it is safe to proceed before proceeding through the intersection. Be careful and aware of your surroundings to ensure a safe and steady flow of traffic.
Hence, in this case, it is concluded that the correct answer is option C. Stop before entering the pedestrian crosswalk.
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2. What is the charge, expressed in micro coulombs on two equally and similarly charges spheres placed in air with their centres 30 cm apart repelling each other with a force of 120 mgm.
Answer:
q = 0.1086 micro Coulombs
Explanation:
By Coulombs law, we have;
[tex]F =k \times \dfrac{ q_1 \times q_2}{r^2}[/tex]
Where;
F = The electric force = 120 mgm
q₁ and q₂ = Charge
r = The separating distance = 30 cm = 0.3 m
k = 8.9876×10⁹ kg·m³/(s²·C²)
Where, q₁ and q₂, we have;
[tex]F =k \times \dfrac{ q^2}{r^2}[/tex]
Whereby the force is the force of 120 milligram mass, we have;
0.00012 × 9.81 = 000011772 N
[tex]q = \sqrt{ \dfrac{ F\times r^2}{k}}[/tex]
Substituting the values, we have;
[tex]q = \sqrt{ \dfrac{ 000011772 \times (0.3)^2}{8.9876 \times 10^9}} = 1.086 \times 10 ^{-7} \ Coulombs[/tex]
q = 0.1086 micro Coulombs.
4. Two technicians are discussing the evaporative emission monitor. Technician A says that serious monitor faults cause a blinking malfunction indicator lamp
(MIL) or even an engine shutdown. Technician B says that the engine computer will run the EVAP monitor when fuel level is within 15 to 25 percent and the TP
sensor position is between 9 and 10 percent. Who is correct?
O A. Neither Technician A nor B
O B. Both Technicians A and BN
O C. Technician A
OD. Technician B
Answer:
The correct option is;
Neither Technician A nor B
Explanation:
The evaporative emission monitor or Evaporaive Emission Control System EVAP System monitors enables the Power Control Module of the car to check fuel system leak integrity and the vapor consumption efficiency during engine combustion
It is a requirement of EPA on cars to check the emission of smug forming evaporates from cars
Serious monitor faults can cause the turning on of the check engine lights and the vehicle will not pass OBD II test, but it will not lead to engine shutdown
It runs when the engine is 15 to 85% full and the TP sensor is between 9% and 35%.
Therefore, the correct option is that neither Technician A nor B are correct.
The application of technology results in human-made things called
Answer:
Internet of things
Explanation:
This is a good example where the application of technology results are applied to human made things.
Internet of things (IOT), involves the application of one technology results–the internet, embedded into devices such as refrigerator, television etc so as to send and receive data (digital instructions). Such applications of technology results has revolutionized the way we use "human made things".
Engineers are looking for a new material to build the body of an airplane. They agree that the material must be lightweight, but also strong and long-lasting. Above all, the material must maximize the safety of the passengers. Several engineers have developed some initial plans. Which stage of technological design is described in this passage
Answer:
Design a solution
Explanation:
In the design a solution stage, solutions and ideas to solve the problem or design of the product are generated and details of the problem solution or product design are developed
The generated ideas and details are put together to get a workable solution
Stages of technological design, includes
1) Problem identification
2) Design a solution or designing of a product
3) Design Implementation
4) Solution or product evaluation
The ramp in the railway station has rough surface .why?
Answer:
To increase the friction so we do not slip while walking.
Explanation:
If the surface is smooth then the frictional force between the ramp and the feet becomes less and the chances of slipping are greater.
Which of the following is the last step in creating a budget?
A. Identify income
B. Identify variable expenses
C. Identify fixed expenses
D. Determine savings or debt
Answer:
D. Determine saving or debt
Explanation:
what kind of line is used to indicate the supporting beam
Answer:horizontal
Explanation: because it is supporting it
If sail boats A and B are approaching each other with the wind on different sides, why is vessel A considered the give-way vessel (vessel that must take early and substantial action to avoid a collision)?
Answer:
The reason is because when the wind approaches each sailboat from a different side, the sailboat that the wind approaches from the port side, which is the left side is the give-way vessel.
Whereby the wind approaches the vessel A from the port (left) side then vessel A is considered the give-way vessel
The give-way vessel is the vessel that will have to take expeditious steps to create access for the other vessels by either changing course, stopping, or moving with reduced speed
Explanation:
3. An underground copper pipe is used to transport oil under a factory. It is very important that this pipe does not oxidize, so engineers use impressed current cathodic protection. a. Would zinc be an appropriate metal to use for cathodic protection? Why or why not? (4 points) b. Engineers attach a sacrificial anode to the copper pipe. To use impressed current cathodic protection, they must attach a battery between the cathode and anode. Which material should the positive side of the battery be attached to? Explain how you know. (4 points)
Answer:
a) Copper corrosion is prevented by an external current source that provides a condition around the copper that halts the rust through current cathodic protection
Due to the location of the pipeline, an material such as graphite, titanium, or niobium can be used which lasts longer that zinc can be used for longevity of the protection
b) The positive side of the output DC terminals are attached to the anodes such as graphite, while the negative terminals are connected to the copper pipe to be protected
Explanation:
Making the protected metal the cathode will make the metal be the source of electrons into the reaction taking place such that the release of the positive metal ions that results in disintegration takes place at the anode and as such the protected metal made the cathode, to which the negative terminal of the battery is attached is protected.
You should continuously work to enhance your skills and knowledge .
Answer:
Improve Your Writing
You may need to improve your ability to express yourself in writing.
To some degree, most organisations rely on the accurate transfer of information and that calls for the accurate use of language. When speaking, most people make multiple errors of grammar and vocabulary, and nobody seems to mind. But when you are doing business at work, then the business agreement is usually in the form of a written document; and that document has to be worded properly.
How would you rate your ability to express yourself properly in writing? Are you a good writer or do you lack knowledge of grammar, punctuation, logic and rhetoric?
If you are not as good at writing as you need to be, then study grammar, study punctuation, logic and rhetoric.
Start by buying a copy of a book called 'Rex Barks' by Phyllis Davenport.
This book is the gateway to grammar - and Phyllis is phenomenal.
Explanation:
__is a mechanical force generated by a solid object moving through a fluid.
Answer:
Drag
Explanation:
Two technicians are discussing solder wire repair. Technician A says that electrical tape can be used to cover the joint. Technician B says that heat shrink tubing can be used to cover the joint. Who is correct?
Answer:
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what is your favorite generation of the mustang?
Answer:
6TH AKA THE 2015-PRESENT
Explanation:
Answer:
I like them all except '74ish all the way up to '93.
a steal bar with 1 in diameter has been subjected to a tensile force of 3 tons find tensile stress in the bar
Answer:
stress = 8,556 Psi. or (stress = 59 Mpa)
Explanation:
stress = force / area
force P = 3 tons (convert to lbs. for units consistency)
1 ton = 2240 lbs.
P = 6,720 lbs.
steel bar Diameter D = 1 in. (convert to d
Area of steel bar = (π * 1²) / 4 = 0.785 in²
therefore, stress = 6720 lbs. / 0.785 in²
stress = 8,556 Psi.
in Mpa ----- 8556 Psi * 0.00689476 MPa/Psi = 59 Mpa
A large piece of ground is developed with lights, streets, and sewers. The subdivider wants to get it ready for building. He does an environmental impact statement and makes a large map which shows where each lot and block is located. Streets, parks, and utility easement are also shown. This is visual representation is called:
Answer:
Subdivision plat map
Explanation:
A subdivision plat map is a map plan of a given scale having the planned lot subdivisions and amenities. Subdivision plat map also show easement boundaries, access routes, streets and alleyways present in or adjacent to the tract of land that is being subdivided into lots
The process of subdivision of a tract land of land requires the approval the counties and the cities in which the land is located.
You are driving a vehicle that has an automatic transmission. When you park on a hill, you
should
A: Set the parking brake first, before you shift the transmission into Park.
B: Shift the transmission into Park, and leave the parking brake off.
C: Set the parking brake, and shift the transmission into Neutral.
Answer:
The answer is A. Set the parking brake first, before you shift the transmission into Park.
An automatic gearbox is a multi-speed transmission system. The correct option is A.
What is the automatic transmission?An automatic gearbox is a multi-speed transmission system that is used in internal combustion engine-powered motor vehicles that do not require any driver input to change forward gears. Thus, making the process of shifting gears automated.
The correct way to park an automatic transmission vehicle is to set the parking brake first before you shift the transmission into Park. Therefore, the correct option is A.
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Which type of engineering design uses an already existing design?
A. top-down design
B. spiral design
C. bottom-up design
D.
incremental design
Answer:
The correct option is;
C. Bottom-up design
Explanation:
The bottom-up design is meant for system redesign or re-engineering of an existing design involving component upgrading or legacy systems replacement
The bottom-up design approach is also meant for applications where there is a new interface requirement for the original system in order to determine the functionality of the newly combined systems and also where a novel component is incorporated into the existing design.
The bottom-up approach starts with the analysis of the interoperability of the components to the modules and eventually the analysis of the system requirements.
