Difference between anodic and cathodic coating
MECHSTUFF4U for Mechanical Engineers
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4y ago
Information on anodic and cathodic coating and their difference between them is given below in this article. Coatings are coating applied on metal to protect the metal and reduce the wear and tear.  What is the anodic coating? As we know the anodic coating is a type of coating material that uses anodizing to provide aluminum or any type of subtraction with increased thickness, color, and protection. This coating consists of the oxide film formed by electrolysis on metal, with the metal acting as an anode. What is a cathodic coating? While in the cathodic coating is a technique that reduc ..read more
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Why flexible couping are preferred over rigid coupling?
MECHSTUFF4U for Mechanical Engineers
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4y ago
Flexible coupling accomplishes the purpose of any coupling, but the main advantage over rigid coupling is flexible coupling is to accommodate the unavoidable misalignment between shafts in some machinery.  The flexible coupling also allows a degree of axial movement between the coupling shafts as possible due to thermal expansion.   As compared with a flexible coupling, the rigid coupling has limited application because rigid couplings do not have the ability to compensate for shaft misalignment, therefore, used where shafts are already positioned in precise lateral and angular alignmen ..read more
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Proell governor | Construction | Working | Equation of height
MECHSTUFF4U for Mechanical Engineers
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4y ago
A porter governor is known as a proell governor is the two balls are fixed on the upward extensions of the lower links which are in the form of bent links BAE and CDF as shown in the figure below.  Now, considering the equilibrium of the link BAE which is under the action of following characteristics.  The weight of the ball, mg The tension in the link AO The horizontal reaction of the sleeve The weight of sleeve and friction 1/2 (mg+f) or 1/2 (mg-f) The centrifugal force, mr’ᾠ2  I is the instantaneous centre of the link BAE and take moments about I to find out the height relation for ..read more
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Difference between watt governor and proell governor
MECHSTUFF4U for Mechanical Engineers
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4y ago
The function of the governor is to regulate the speed of an engine when there are variations in the load. For example, when the load increases, it becomes necessary to increase the supply of working fluid and when the load decreases, less working fuel is required. Let us have a deep insight into the difference between watt governor and proell governor in this article.  Difference between Watt and Proell Governor :  Watt governor is the simplest form of a centrifugal governor basically a conical pendulum with links attached to a sleeve of negligible weight and the proell governor has the bal ..read more
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Mechanical Vs Hydraulic disc brake | Difference between mechanical and hydraulic disc brake
MECHSTUFF4U for Mechanical Engineers
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4y ago
The function of both braking systems are the same but there is a lot of difference between these two brakes. Mechanical disc brake also known as cable-actuated brakes rely on a braided steel cable to activate the piston that causes the compression of brake pad against the rotor when the brake lever is pulled. Hydraulic disc brake used hydro or rather fluid uses a sealed fluid-filler system as a means of actuation. Let us have a deep insight into the difference between these two braking systems.  Difference between mechanical and hydraulic brake :  A mechanical disc brake uses cables as a bra ..read more
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Types of air filter
MECHSTUFF4U for Mechanical Engineers
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4y ago
The air filtration manufacturer has seen its share of changes over the last decade. They have created new products that not only have improved indoor air quality but also have reduced the cost of installation. When the American Society of Heating, Refrigeration, and Air-conditioning engineers introduced IAQ standards for an air filter. Among these several types of air filters are common in common HVAC systems.  Different types of air filter:  Fibreglass filter: This is the most common type of air filter. Layered fibreglass fibres are laid over each other to form the filter media and reinfo ..read more
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Difference between air filter and cabin filter
MECHSTUFF4U for Mechanical Engineers
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4y ago
Both air filters and cabin filters purify the air but their purpose is slightly different. The air filter cleans the air that flowing to the engine while cabin filter decontaminate air coming into the cockpit. It's important to recognize the distinction between these two filters so in this article you can check it out some difference between the air filter and cabin filter.  Difference between the air filter and cabin filter :  The air filter is often a performance upgrade, while the cabin air filter is more of a health and safety concern.  The air filter is located in the engine bay under t ..read more
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Porter Governor | Construction | Working | Equation
MECHSTUFF4U for Mechanical Engineers
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4y ago
Porter governor is same as Watt governor. If the watt governor sleeve is loaded with a heavyweight, it becomes a Porter governor.  Let M = Mass of the sleeve m = Mass of each ball f = Force of friction at the sleeve Porter Governor The frictional force always acts in the opposite direction to the motion, so when the sleeve moves up, the frictional force acts in the downward direction, and the downward force acting on the sleeve is Mg+f. Likewise, the force on the sleeve will be Mg-f when the sleeve moves down. Depending on whether the sleeve is going up or down, the net force acting on the ..read more
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Advantages and disadvantages of worm gear
MECHSTUFF4U for Mechanical Engineers
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4y ago
Worm gear drive is used to transmit power between two non-intersecting shafts, which are at right angles to each other consists of a worm and a worm wheel. The worm is a threaded screw, while the worm wheel is toothed gear. The teeth on the worm wheel envelope the threads on the worm and give the contact between mating parts. Let us have a deep insight into the benefits and drawback of the worm gear in this article.  Advantages of worm gear :  High-speed reduction: A speed reduction is as high as 100:1 can be obtained with a single pair of worm gear.  The worm gear is compact with small ..read more
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Difference between welding and fabrication
MECHSTUFF4U for Mechanical Engineers
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4y ago
Welding and fabrication both are two essential processes in the metal industry. In this article, you can check it out the difference between both of these processes so let start with the definition first.  Definition of Welding :  Welding is a process which usually involves metals or thermoplastics by inducing melting, which is distinct from lower temperature metal joining processes such as brazing and soldering that do not melt the base metal. Welding is essentially a combination of two pieces, no design, no layout or cutting. Definition of Fabrication :  Fabrication is the building ..read more
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