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When reducing the diameter of a stainless steel bar does it effect the mechanical properties?
The reduction of the diameter of a stainless steel bar by hot or cold work will usually increase the strength and lower the elongation. However after the normal annealing the mechanical properties will be about the same as before it was reduced in diameter. If the reduction is by machining, the properties will remain the same unless it is overheated.
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Why does a fixed pulley have a mechanical advantage of one and a movable pulley has a mechanical advantage of two?
we find mechanical advantage of pulley by using principle of lever. according to this moment of effort is equal to moment of moment of load. As in this case effort arm is equal to load arm. so mechanical advantage is equal to one. but we know we can never finish friction between rope used and pulley so mechanical advantage is less than one
What is 6D in bend pipe?
In the context of bend pipes, "6D" refers to the bend radius being six times the nominal diameter of the pipe. For example, if the pipe has a diameter of 2 inches, a 6D bend would have a radius of 12 inches. This specification is important for ensuring smooth flow and reducing turbulence in piping systems. It is commonly used in various engineering applications to maintain structural integrity and optimize fluid dynamics.
Why planes uses 300Hz frequency?
Weight is at a premium in aircraft. AC to DC power supplies running at 300 Hz instead of the more common 50 Hz or 60 Hz would require smaller filter capacitors, and thus less weight. The power generator, likewise, would require less mechanical speed step-down, reducing weight. Similarly, transformers and inductors, as well as selsyns, can be much smaller, again, reducing weight.
Is solar power reducing reusing and recycling?
Yes it is. It is reducing the need for electricity, reusing the sun's energy and recycling in as well.
How do you check if reducing valve works?
The easiest way is to install two pressure gauges (If reducing pressure) either side of the reducing valve, you will then have indication of upstream pressure and down stream pressure, of which you can adjust to suit you process.
How does annealing improve mechanical and electrical properties of material?
Annealing can improve mechanical properties by reducing internal stresses and increasing ductility through recrystallization. It can improve electrical properties by reducing resistance through refining the grain structure and removing impurities from the material.
What are the mechanical physical and chemical properties of a gearbox?
the mechanical properties of materials areYoung's_modulusSpecific_modulusTensile_strengthCompressive_strengthShear_strengthYield_strengthDuctilityPoisson's_ratioSpecific_weight
What is the effect of humidity on mechanical properties of material?
High humidity can reduce the mechanical properties of materials by promoting corrosion, causing swelling or warping in certain materials, and reducing the strength and durability of some materials over time. Water molecules can weaken the bonds between atoms in materials, leading to a decrease in mechanical properties such as strength, stiffness, and toughness.
How do you decrease he size of a circle?
By reducing its radius or diameter.
What does the presence of calcium carbonate indicate?
For example degradation of a pipe by reducing the diameter.
Is stainless steel an environmentally friendly material?
Yes, stainless steel is considered to be an environmentally friendly material because it is highly durable, recyclable, and has a long lifespan, reducing the need for frequent replacements and minimizing waste.
What are the advantages and disadvantages of recrystallization in metallurgy?
Advantages of recrystallization in metallurgy include purifying the metal by removing impurities, improving mechanical properties like strength and ductility, and reducing residual stresses. Disadvantages can include the potential for grain growth leading to reduced strength, and the requirement for careful control of process parameters to achieve desired properties.
What are the factor that affect the efficiency of simple machine?
Factors that can affect the efficiency of a simple machine include friction, mechanical losses, wear and tear, misalignment, and material properties (such as strength and durability). Proper maintenance and lubrication can help improve efficiency by reducing these factors.
What is the purpose of a clearence hole in mechanical engineering and how does it affect the assembly process?
A clearance hole in mechanical engineering is a hole that is slightly larger than the diameter of a fastener. Its purpose is to allow the fastener to pass through easily without any interference. This helps simplify the assembly process by making it easier to align and insert the fastener, reducing the risk of damage to the components being assembled.
How is friction and mechanical efficiency related?
Friction affects mechanical efficiency by reducing the amount of useful work output compared to the input work. High levels of friction can decrease efficiency by causing energy losses due to heat production and surface wear. By reducing friction through proper lubrication and design, mechanical efficiency can be increased.
Reducing friction increases the ideal mechanical advantage of a machine?
Reducing friction helps to minimize energy loss, making the machine more efficient. This allows the machine to transfer more of its input force or energy into useful work, increasing its ideal mechanical advantage.
In the State of Florida motorboats are required to have mechanical means of reducing or muffling?
noise produced by the ventilation system
