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Engineering
Engineering is an art and profession devoted to designing, constructing, and operating the structures, machines, and other devices of industry and everyday life.
5,839 Questions
How many unique combinations of shutter arrangements can be formed with a 4-shutter telegraph?
If each shutter has two states then 16.
What are the materials used to make an Xbox One controller?
Mostly molded plastics then printed circuit boards (plastic composites, copper traces, solder) then ICs (plastic, metal alloy leads, silicon chips, aluminum or gold bond wires) then minor miscellaneous materials.
What are the effects from working from a different datum?
Oh, dude, working from a different datum can totally mess with your coordinates, like throwing off your GPS by a mile. It's like trying to follow a recipe but using the wrong measurements - your cake is gonna be way off, man. So yeah, working from a different datum can really skew your data and make things go wonky.
Which of these is a reason an engineer may choose to use a prefabricated building component?
Apexvs. She wants to use standard materials to minimize negative environmental impacts. She also wants construction to move quicker.
How can an engineer who builds roads and railways have a delusion of grandeur?
the prevalent thought of the permanence of the work and that so many responsible people have to defer to them.
How can you calculate the volume of a regular solid?
by measuring it sides ( the length<L>, breath<B> and height<H>) and then multiplying them. e.g for a regular shape with length 2cm (centimeter), height 1cm and breath 4cm. from this we say L×B×H which will be in the case of the values above will be 2cm×4cm×1cm = 8cm3
Weight of cubic meter of helium?
The short answer is 28.9 grams or 1.02 ounces.
But it depends on the temperature and pressure of the air, the helium, and possibly also what's holding the helium.
The upward force on the helium is called the buoyancy. The weight it can "pick up" is the buoyancy less the weight of the helium itself.
At sea level pressure, air has a density of 1.2 g/L at an 'normal' pressure.
Helium is of course less dense, at 0.1786 g/L.
1 (cubic foot) = 28.3168466 L
So the net buoyancy is (1.2 g/L - 0.1786 g/L) * 28.32 L = 28.9 g.
The helium's container matters because some containers are compressible. Eg a rubber balloon will expand as it rises or shrink as it falls. This can affect the buoyancy.
What is the definition of oblique sketch?
Oblique is the "three-quarters" angle to any figure. There is the front view, the side view, and the oblique. It is an interesting angle because the shapes in the figure stretch and vary according to the new position of the figure. A good example is to view the hand from the palm and then move the hand thumb up about 30 degrees. Note the difference in the shapes that become apparent. For artists, this is a popular pose for a model because the angles and masses shift with unexpected beauty.
The advantages and disadvantages of database network model?
In computing, networking is connecting computers that allows it to share and to relay resources and information's. It works like a net that needs each tread to support each other -- in computing end users help each other through a network to share and relay data and information.
Advantages: Through networking computer can communicate to each other.
Disadvantages: Because of networking, crimes are spreading and privacy is becomes questionable.
fusilage is the main body of an aircraft, The fuselage provides the structural support for the wings, tail, and other components of the aircraft, and it is designed to withstand the various loads and forces experienced during flight. The design of the fuselage also plays a major role in determining the aerodynamic characteristics of the aircraft, including its stability, maneuverability, and fuel efficiency. In short, the fuselage is a critical component of an aircraft and plays a vital role in its overall performance and safety.
Application of matrices in engineering field?
Matrix and determinants are actually very useful in engineering. I am going to give you a good personal example. I am a chemical engineering student, and when I took my final this past semester for my chemical processes class one of the problems had certain substances going into a reactor and came out of the reactor as different chemicals (they reacted). As part of the procedure used to determine the mass of the outcoming materials you do a mass balance (actually I did an atomic balance because atoms can not be created nor destroyed), in my mass balance I had three equations and two unknowns. At the time I was taking an engineering math course where I learned about matrices and determinants, therefore with what I learned I placed my equations as a "system of matrices" one on top of the others and reduced to "row echelon form" and was able to find all masses individual for each of the compounds. I hope this helped, and if you have any questions dont hesitate to consult with me....Chem Boy.
Which network topology is the best for school network?
It seems like the issue might be related to either the Splunk Universal Forwarder configuration or log file permissions. First, ensure that your inputs.conf and outputs.conf files are correctly set up, with the right log paths and destination indexer details. Check the internal logs, such as splunkd.log, by navigating to /opt/splunkforwarder/var/log/splunk/ instead of /var/log. If no logs are present, verify that the Universal Forwarder has the right permissions to access the log files and is running properly. You can enable debug logging in the log.cfg file for more detailed output and restart the forwarder to apply any changes.
Internet of things -IoT Technology The Internet of things -IoT Technology is a network of physical objects, machines, people and other devices that enable connectivity and communications to exchange data for intelligent applications and services. These devices consist of smartphones, tablets, consumer electronics, vehicles, motors and sensors which are all capable of Internet of things -IoT Technology communications. The IoT allows objects to be sensed and controlled remotely across existing network infrastructure, creating opportunities for direct integration between the physical and digital World resulting in improved efficiency, accuracy and economic benefits. IoT Basics IoT Evolution and Market IoT Kits and Leaning Resources — Rapid Prototype your IoT Idea Drone Wireless Video Transmission – Technologies, Challenges and Solutions ! How to communicate with digital devices like Sensors, ADC, DAC for IOT (over I2C and SPI protocols) IoT Access Technologies Brief IoT Access Technologies Self Sustained Sensor Node for IoT – Technologies and Commercial products ! Bluetooth 5 and its uses in IoT explained Fog Computing and Internet of Things IOT_Delhi (Internet of things) : Introduction Smart Cities & Solutions Long Range Wide Area Network (LoRaWAN) Low Power Wide Area Network (LPWAN) LoRa Technology, It’s Features and Application LoRa- (Long Range) Network and Protocol Architecture with Its Frame Structure LoRa – Device Activation Call Flow (Join Procedure) using OTAA and ABP LoRa – Device Re-activation Call Flow (Rejoin Procedure) LoRa Sensitivity and Link-budget Calculations Narrow Band IoT Narrow Band IoT Narrow Band IoT Frequency Bands Narrow Band IoT Frame Structure Narrow Band Synchronization Signals (NPSS and NSSS) Narrow Band-Physical Broadcast Channel (NPBCH) Narrow Band-IOT UE Attach Call Flow Messaging Cat. NB1 and Cat. NB2 Devices Comparison Maximum Coupling Loss (MCL) and Maximum Path Loss (MPL) IoT Device Battey Life 10 Years !!! How is it possible? Battery Life Calculation for NB-IoT Device Narrow Band IoT Modem Chipset Vendors Samsung’s NB IOT Modem Beacon Technology Beacons Technology-What it is, How it works and Its Applications and Challenges Beacon Technology- iBeacons Vs Eddystone Beacons Hardware Vendors
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What is the Montreal protocal?
Montreal protocol is an international agreement whose aim is preservation of earth’s ozone layer through controlling, reducing, and eventually eliminating usage of substances that deplete ozone layer known as Ozone Depleting Substances. Due to be discussed to protocol was adopted on 16th September 1987 to come into force on 1st January 1989, it is one of the most important international instrument in the field of environmental conservation.
Objectives and Purpose
The main goal of the Montreal Protocol is to phase out and phase down ozone-depleting substances which are compounds that have negatively impacted the sky’s protective shield known as the ozone layer that shields living organisms from cancer-causing UV light. The protocol focuses on seven categories of substances, namely chlorofluorocarbons (CFCs), halons, carbon tetrachloride, and methyl chloroform that were used in the sectors of refrigeration and air conditioning systems, fire protection and firefighting, and as solvents.
Key Provisions
Phase-Out Schedules: The protocol entails clear time lines regarding step by step reduction, and the elimination of ODS. First, planning was done on CFCs and other important chemicals, and then the targets were revised to speed up the phase out programs.
Adjustments and Amendments: Substances which have been featured in the list have been added and the measures put in place by the protocol have been made stricter over the past years. For instance, the 1990 London Amendment as well as the 1992 Copenhagen Amendment introduced new substances under control and adjusted time lines for their phase out.
Financial Mechanism: Multilateral Fund was created to help the developing nations to discharge their obligations as stipulated by the Montreal Protocol. This fund offers monetary and analytical assistance for the shift to environmentally sound substitutes.
Impact and Success
In fact, the Montreal Protocol is considered to be one of the most successful environmental treaties. It has been understood to have resulted to substantial reduction in ODS emission into the atmosphere and this has been helping bring about the slow healing of the depleted ozone layer. Scientific studies indicate that the presented protocol may help recharge the damaged ozone layer to levels recorded before 1980 by mid of the third millennium.
In this context, the Montreal Protocol is an outstanding example of successful international cooperation in combating environmental problems and can become an example for future similar agreements for addressing the global issue.
Is G652D a standard for fiber optics cables?
Yes, G652D is a standard for single-mode optical fiber cables. It is commonly used in telecommunication networks due to its low attenuation and reliable performance for long-distance communication.
The path that the x-ray beam follows through the body from entrance to exit is known as the?
Projection
What types of technology is used most in zoology?
In zoology, technology such as DNA sequencing for genetic analysis, GPS tracking for monitoring animal movements, and remote sensing for habitat mapping are commonly used. Camera traps and drones are also increasingly being used for studying wildlife behavior and population dynamics.
How temperature affect the reaction rate?
For the very large majority of chemical reactions, increasing the temperature increases the rate of the reaction. This is because nearly all chemical reactions have some activation barrier which must be surmounted before the reaction can proceed, and the added temperature helps to get over this barrier. There are however some processes which do not speed up with increased temperature, although there much fewer. The freezing of water is one obvious example.
AnswerHeating chemical substances can make the molecules separate and move around faster. This can increase the speed with which they mix with surrounding molecules from other chemical substances, thus speeding up a reaction. This is not always the case, some chemicals will only react when cold...
While it is true that hotter molecules move faster, it is not the improved mixing that makes reactions occur faster -- otherwise you could just stir more effectively and not have to heat! Heating gives the molecules more energy to surmount the activation energy barrier of the reaction. The more energy the reactants have, the more of them can surmount this barrier, which is required for the reaction to occur. The reason some reactions don't go faster when heated is because they do be activationless or the barrier may be so high that other methods are necessary to give the reactant sufficient energy to surmount the barrier.
See the Related Question below for more information.
What is net heat change in polytropic process?
In a polytropic process, the net heat change depends on the specific conditions of the process (e.g., if it is adiabatic or not, reversible or irreversible). In general, the net heat change can be calculated by comparing the heat added or removed during the process with the work done by the system.
What is the difference between Recovery Coke Oven and Non-Recovery Coke Oven?
recovery type of coke-oven is having recovery of various products such as tar, benzene, sulpher etc as a by product of coke. where as no such by produst is been produced in non recovery coke-oven.
recovery batteries been operated under positive pressure where as non recovery batteries work under negative pressure.
The Environmental Protection Agency (EPA) in the United States is responsible for studying and assessing the environment to protect it and safeguard the health of people affected by environmental changes. EPA sets and enforces regulations to address pollution and other environmental hazards to ensure a safe and healthy environment for all.
Why is hard engineering necessary at some parts of the coast?
Hard engineering is necessary at some parts of the coast to protect vulnerable areas from erosion and flooding caused by waves and tides. Structures like seawalls, groynes, and breakwaters can help absorb the energy of the waves and prevent further coastal erosion. Hard engineering may also be required in highly developed or populated areas where the economic cost of potential damage outweighs the environmental impacts.
How does polonium help humans?
Polonium applications: - Source of neutrons: as Po-BeO - Radioisotope thermoelectric energy source - Alpha particles source - Brushes with Po to eliminate static charges from different surfaces - Material in radiochemistry studies
