Rohan_sK
@rohan-sk-7ZbDkK Member
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Recent contributions
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Replied #Threads
Reverse rotation of the centrifugal pump impeller effect?
There is a big difference between the terms "Reverse Rotation" and "Reverse Flow" related to the Centrifugal Pump. Reverse Rotation means that the direction of the...
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Torque from engine to clutch.
As you have mentioned yourself, the Total Engine Torque is the torque produced by the engine corresponding to the Engine Power. The torque produced has to...
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motor coupling to rack & pinion
Again it would be beter if yu could provide a drawing of your proposed system at least tot the extent that we could decipher how and...
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help: steering and wheel configuration
It would be better if you can describe your system a bit more elaborately , so we can get an idea of what exactly is your...
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HELP: what type of pump is best for water-based paint?
I cant speak with authority on this topic, but there a couple of things that come to my mind immediately. And you will have to focus...
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wind powered moped
There was a nice thread on the topic " Compressed Air Vehicles" in the forum, just search it. Yes, we can buld two wheelers using Compressed...
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CE Incorporated
Big_K, Congratulations! on making this venture formally a corporation. Yes it will certainly prove much more helpful to table talks and associatons with larger establishments f...
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Governor vs flywheel
The Flywheel as said stores the excess energy and releases the same when required during the idle stroke. It can store energy which a goverener cannot....
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Torque Calculation with Total Load of 100 Kg
Gohm, dont you think that the Total Weight of the bike ie 100 kg must be considered while calcualting the Work done or hte Effort needed....
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Reduce the Power consumption of a Desktop Monitor
Hey Ash, Thanks for answering. I will certainly try out the brightness option and see the effect on my eyes ( I use 4, two original...
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What is an API
Hey Sookie, Thanks a lot for answering the question and giving some great insight. This was the type of response I had expected, with quite an...
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Posted #Threads
Reduce the Power consumption of a Desktop Monitor
Guys can you suggest any method or an appliance to reduce the Power consumption of a Desktop Monitor. I think the Monitor really consumes quite some...
4 replies -
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How to improve efficiency of IC engine?
This is a very generalised question and can have a detailed answer with many points to mention. But here are a few basic ones. 1. Have...
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Ask questions to Jimmy Wales - Cofounder of Wikipedia!
1. What is your view about maintaining the scientific and technical correctness and adherence to the technical factual explaination on any topic appearing on Wikipedia. Is...
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Posted #Threads
Master Control in Trains
If anybody of you has seen the drivers cabin of a suburban train or an Electric AC/DC engine of a Locomotive, then you can see the...
3 replies -
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Yahoo Mail Logout Problems
The problem is still persisting and really bugging me now. Yahoo ... Succkkss......... Its acting like a stubborn child whos testing your cool and needs a...
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Yahoo Mail Logout Problems
Yes , I too am facing a similar issue especially with Yahoo Mail ( I have an yahoo.in account) wherein the login is not much of...
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What is an API
Dear Gaurav, the API functions are stored in one of the DLL's in the system 32 directory of Windows.
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What is an API
Thanks for your quick rpely goyal420, but I had already read this excerpt on the "HOWSTUFFWORKS" website. So I expected something different from an exact copy...
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What is an API
Can someone please explain what is an API in terms of the software application and OS. Though there are many articles avilable on the web, but...
14 replies -
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What is the role of RAM in a computer?
Biggie can we now get the correct answer from you with techincal details, cant wait to know about this :smile: . So can you please enlighten...
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What is the role of RAM in a computer?
Though I am not a CS engineer that doesnt imply that I should keep myself from getting the correct knowledge about the technology we use daily....
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ideal rankine cycle
but point 1 is out of vapour dome, so the liquid coming out of pump should be saturatedExactly the point 1 lies outside the saturation curve....
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ideal rankine cycle
The fluid in the condensor is cooled at constant pressure to the saturation point ( liquid) by removing its latent heat. From here it enters the...
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calculation....for bicycle
Yep, 4di is indeed correct in mentioning about the ratios between the crank and wheel radius and the sprocket radii. Note that these radius have a...
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Should engineering drawing be taught to every engineering student?
Biggi, ED is absolutely awsome. I cherished every minute of drawing sheets, view after view it unfolded the details of how an object would look or...
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Can one IC engine have two pistons?
What do you mean by one engine. We can have only one piston per cylinder and the engine can be multicylinder. At the most a piston...
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Adhoc networks
Durga, Yes the SSID's have to be the same to be connected to the same network, I was asking you to only confirm if they are...
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Adhoc networks
Hi Durga, With regards to your latest input, if the ICS and the NIC are working fine then confirm the following things: Make sure that both...
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Adhoc networks
I am no networking expert or even an IT sudent for that matter, but let me make a try. So guys correct me if I am...
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http vs ftp
Can I add something here. Guys correct me if I am wong. As Biggi mentioned HTTP and FTP services can both be provided by the same...
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Combustion in SI and CI engines
You can find the detailed working of both these in any IC Engines reference book very easily. But to answer your question briefly, here it goes...
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Thoughts that crossed your mind....
" When you are right, nobody remembers it; but when you are wrong nobody forgets it." "The real glory in life is not in keep on...
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Question about my computer's IP address
Your computer if connected to the internet through a router, is itself behind the DHCP used by the router, if the router is DHCP enabled in...
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Finned tube heat exchanger
The heat transfer area for the fin can be calculated from any standard Heat And Mass Transfer book. Anyways, In general the fins have a greater...
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CE-GK Questions Part-II
The correct answer for 4. Which is the only thermodynamic cycle that can be used in both, internal as well as external, combustion engines? is :...
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Help on Submersible Pump! Basic question
Yep, the centrifugal pumps used in the normal purposes cannot have a suction head more than 6m to 7m maximum in real operating conditions and NEVER...
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BIOS Flash : What is it?
Hey, Thanks Biggi 😀 . But nothing much to it actually, just tried to explain what I had read a few days back while learning about...
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BIOS Flash : What is it?
As far as I know the BIOS Flashing is as rightly said an Upgrade to the BIOS. It is actually updating your BIOS software to a...
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Effort applied to push a pedal of a cycle.....
The structure of the pedal and the crank shoes that the crank acts as the Moment Arm on which the Effort from the pedal generates a...
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some of the simple questions whose answers i dont know
Both Cache and Buffer are reserve memories used by the computer but both are different in terms of location and use. Here are the differences in...
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What is SSID?
SSID stand for Service Set Identifier It is the name given to a Wireless Local Area Network or WLAN. The devices connected to the same WLAN...
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water turbine
The idea to run a water turbine by using the jet from a hydraulic cylinder seems workable upto an extent. The diameters of the two Hydraulic...
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Mechanics of Composite: help needed
Ok, we will make an attempt to solve this. We do not know what are the factors or properties that the tables give information about for...
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Griffin and Bajulaz six stroke engine
The six stroke engines have two additional strokes to the normal cycle of an internal combustion engine. These two strokes comprise of one power storke and...
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Kill Switch in Ignition System
The Kill Switch theoretically cuts Off power to the ciruitry which starts the engine and make it run continously further by energising the ignition coil and...
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Hi all, I am new mew member here.
Welcome to CE, You'll surely have a great time here.
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Thoughts that crossed your mind....
Behind every Big fortune made, there is always a CRIME. - Marrio Puzzo ( The author of the cha...
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Kill Switch in Ignition System
True, the Kill Switches cut the power supply to the ignititon coil, fuel injectors and fuel pump tripping the circuit to these essential components. They are...
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In need of an idea to start designing a blowier system
The Centrifugal Blower will be the best suited for the given requirement. The Centrifugal Blowers function on the same theory of the Centrifugal Pumps where the...
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Thoughts that crossed your mind....
I cannot commit myself with heaven or hell.... you see..., I've got friends in both the sides ;-) Another one : Always forgive your enemies, nothing...
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Thoughts that crossed your mind....
Millions said the apple fell....but Newton was the one to ask Why??
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Lift Mechanism (Step-on)
@Kyle : So, if I wanted to hide the gears in the wall, I would have to make the width of the wall about the same...
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Lift Mechanism (Step-on)
How about using two pairs of Chain and Sprocket to achieve the type of motion mentioned. The Step platform would be attatched to some links of...
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What is Gyroscopic Couple?
Gyroscopic Couple is what a biker experiences while countering a turn either in the left or the right direction and this is what helps the rider...
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Is there any way to convert our foot steps into electrical energy while walking
Yep, you're right. The friction actually gives us the forward push. Seems just forgot this ...lolz.. Anyway thanks for reminding me!!
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Is there any way to convert our foot steps into electrical energy while walking
When we walk we have to expend the energy from our body by exerting force from our leg muscles to gain forward motion by pressing down...
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What is absolute stress??
The Absolute stress mentioned is the Maximum Permissible Stress of the material, including the Factor Of Safety for the design. It means that for the given...
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Pressure - Velocity relation in fluids
Finally after all the lengthy discussion I have reached to a convincing explaination for the Pressure-Volume changes in a fluid flow. The idea is very simple...
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Help: waste heat recovery-ORC
The Organic Rankine Cycle is a normal Rankine cycle wich operates at lower tempreature ranges and uses organic fluids like propane, butane etc. or refrigerants as...
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Pressure - Velocity relation in fluids
Any logical discussion goes smooth if we agree to disagree, after all its a platform to share diverse views about any topic. Anyways, coming to the...
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Pressure - Velocity relation in fluids
Skipper, you have not spoken about the Centrifugal Pump Involute Casing, and the change of velocity head to pressure head there, yet. ?? I think you're...
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Is astrology a science?
This is a topic with immense potential for a constructive discussion if we have the willingness to open our eyes to the teuth prevailing since thousands...
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Pressure - Velocity relation in fluids
The pressure in the flow is because of the bulk momentum in a unit volume, and because the pipe doesn't expand under pressure. The flow 'bends'...
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Pressure - Velocity relation in fluids
The reaction is the absorbance (say by expanding) of flow momentum. If the container is inflexible, the normal shear force is perpendicular to the flow.The expansion...
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Pressure - Velocity relation in fluids
@ Skipper : In the first place Thank you for responding to the question and commenting on it. There are certain things which I do not...
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Pressure - Velocity relation in fluids
The above explaination is not what I was looking for. All Brilliant Mechanical Engineers on CE, come on , I am waiting for the correct theory...
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Engines Running On Water As Fuel
The fact that the above reaction states is true. But then what about Hydrogen Fuel Cell vehicles. There are these vehicles which use Hydrogen indirectly to...
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turbine vs engine
For the use of Compressed Air, it is evident that the size of the compressor will go on increasing with the higher value of Power at...
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need to know about vortex tube
The concept of VORTEX TUBES is indeed an intriguing Mechanical Phenomena. A very simple yet absolutely fascinating phenomena of Thermal and Fluid Dynamics. The idea of...
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Worm gear
The Worm and Worm Gear consists of two parts , namely the Worm Screw ie the rotating Screw which meshes into the Worm GEar wheel which...
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Want to defy gravity...!!!
The use of Electromagnets doesnt seem possible as the earths magnetic field is too weak to have any visible effects. The only option which seems workable...
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my published article on sustainability
Quite an informative article. Nice write up Gohm, and an equally interesting discussion to follow it. Anyway well written.
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Thoughts that crossed your mind....
Make sure to get what you like or you will be forced to like what you get.
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Have you heard of AIRLESS TYRES??
The Airless tire concept doent appeal to me so much. I'm a bit doubtful about how much would be the deformation of the spokes when under...
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turbine vs engine
The idea of using Water Jets to drive Turbine Blades doesnt seem so practical to me rightly as Dinesh pointed out. The reasons being : 1....
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Difference between dtsi and mpfi engine technologies
Re: hello... could you diff... b/t dtsi and mpfi DTSI : It is the DIGITAL TWIN SPARK IGNITION system. The principle of operation is that, there...
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Help on Submersible Pump! Basic question
For the Pump basic curves : 1. The HEAD v/s FLOWRATE curves are drawn for the SAME Impeller Diameter and CONSTANT RPM. Thus when Flow Rate...
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Can a business grow big without being corrupt?
Saandep, man do you have some kinda magical powers dude😛!! you literally read my mind or what??? My next post was going to be just on...
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Can a business grow big without being corrupt?
Hi Shalini, Yes, certainly the example I mentioned is related to our day to day life. I've already said its general. My intention was to let...
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Converting manual sewing machine power for lighting
@ CRANKY : Great idea And Impressive efforts put in by you. You'll surely succeed in your project. Keep it up and All the Best!!
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Can a business grow big without being corrupt?
The answer lies with you yourself. It all boils down to how much you can take and endure trying to survive in a system where the...
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Cat twister
I too go with Pradeeps first answer ie (2*7) + (7*7*7*4) + (7*7*7*7*4) . And yes why is the 1372 legs not counted?
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Thermal expansion of solid rod with blind hole
You are right Pramod, the blind hole will tend to contract on heating. I would like to go one step ahead, and say that due to...
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Education style in india
The situation I mentioned is from the Largest Metro in India where I studied, so you can imagine what the plight is elsewhere. And this the...
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Education style in india
Just a little suggestion from my side : I think there should be much more emphasis on the Practical Implementation of the subjects learned esp. in...
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Supercomputer gets super water-cooleda
The idea is quite nice, but Reusing waste heat energy is quite common practice. The heat can be used for preheating the water in boilers for...
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thermodynamics
I would like to make little correction to the definition of ENTHALPY. ENTHALPY is defined as the TOTAL ENERGY CONTENT of a Thermodynamic system. Enthalpy is...
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Thermal expansion of solid rod with blind hole
I dont think that the amount of the material will influence the Thermal Expansion or Contraction if the Tempreature doesnt vary. The Coefficient Of Thermal Expansion...
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Can You Design: Traffic Bridge (On road)
@CrazyBoy : Thanks for the compliment:smile: I did not refer to any site for the points mentioned. These points were purely what came to my mind...
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