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What is the function of transition piece in pipe fittings?
Transition piece is mostly used where there is variation of Wall thickness greater tha 3/16" or the yield strength difference is greater than 20 ksi.
What is glass point of material?
The glass point of a material, also known as the glass transition temperature (Tg), is the temperature range at which a polymer or amorphous material transitions from a hard and relatively brittle state into a more flexible and rubbery state. Below this temperature, the material exhibits glass-like properties with limited molecular mobility, while above it, increased molecular motion allows for greater flexibility. This transition is crucial in determining the thermal and mechanical behavior of materials, particularly in polymers and glasses.
Why polystyrene has high dielectric constant than PVC?
Polystyrene has a higher dielectric constant than PVC primarily due to its molecular structure and polarization properties. Polystyrene's aromatic rings allow for greater polarization effects when exposed to an electric field, enhancing its ability to store electrical energy. In contrast, PVC has a more rigid and less polarizable structure, leading to a lower dielectric constant. Additionally, the presence of chlorine atoms in PVC can hinder molecular mobility and polarization, further reducing its dielectric properties.
Condensation increases with greater?
Condensation Increases with relative HUMIDITY.
What is the difference between a 54AS139 and a 74As139 integrated circuit?
The 54 series are military specification versions with a greater operating temperature range.
Why does fish oil dissolve polystyrene?
Fish oil contains compounds called hydrocarbons, which are known to have a solvent effect on polystyrene. When fish oil comes in contact with polystyrene, the hydrocarbons can break down the bonds holding the polystyrene together, causing it to dissolve.
Which cup keeps hot water the hottest polystyrene or metal?
Polystyrene (especially the expanded "Styrofoam (R)" type) is a good insulator. Metals are good conductors of heat.The insulating cup will maintain a greater heat differential than the conductor so if there is a liquid in the cup that is at a greater temperature than the surroundings, the metal cup will loose more heat than the polystyrene cup.
Is polystyrene or polyethylene stronger?
Polyethylene is typically stronger than polystyrene. It has greater tensile strength, impact strength, and resistance to tearing and cracking compared to polystyrene. These properties make polyethylene a popular choice for a wide range of applications where strength is important.
What is the function of transition piece in pipe fittings?
Transition piece is mostly used where there is variation of Wall thickness greater tha 3/16" or the yield strength difference is greater than 20 ksi.
Why is polystyrene brittle?
Unfilled polystyrene is also known as crystal polystyrene (PS) or general purpose polystyrene (GPPS). However, since crystal polystyrene is brittle, other polymers are added to polystyrene to improve its strength, and copolymers are formed as a result. One such copolymer is high impact polystyrene (HIPS), which is produced by adding polybutadiene rubber to polystyrene during the polymerization process. HIPS is tougher and has a greater impact strength than unfilled polystyrene. There are different types of polystyrene. Extruded polystyrene (XPS) is one form of the polymer that has high tensile strength, with good elasticity. It is commonly known as Styrofoam™. The other common form of polystyrene is expanded polystyrene (EPS). Both EPS and XPS are made from similar materials but there are difference between the two. XPS has a higher density as compared to EPS, due to the absence of air passages between its cells. The higher density makes XPS more rigid and strong. Also, XPS is waterproof and is an effective thermal insulator. Read more in the related link.
Is polypropylene biodegradable?
Polypropylene can be biodegradable if it is made with EBD (enhanced bio decompositions) which can be easily broken down, fairly quickly, back to base compounds. A variety of packaging can now use biodegradable polypropylene.
The number of inner transition elements is greater than the number of transition elements?
This statement is incorrect. Inner transition elements are a subset of transition elements, and they refer specifically to the lanthanides and actinides series. There are more transition elements (d-block elements) than inner transition elements in the periodic table.
Should you open your windows on hot days?
If the house temperature inside is greater than the temperature outside the house, then yes. If the temperature outside the home is greater than the temperature inside of the home, then no.
What is glass point of material?
The glass point of a material, also known as the glass transition temperature (Tg), is the temperature range at which a polymer or amorphous material transitions from a hard and relatively brittle state into a more flexible and rubbery state. Below this temperature, the material exhibits glass-like properties with limited molecular mobility, while above it, increased molecular motion allows for greater flexibility. This transition is crucial in determining the thermal and mechanical behavior of materials, particularly in polymers and glasses.
What density does an object have to have to sink in water?
A density greater than that of water (which varies with temperature).
The higher the temperature of something the greater its?
Thermal Energy.
How does high temperature affect volume?
High temperature makes the volume greater.
