Mr Humanitarian

A dead-head is caused when a centrifugal pump operates with no flow through the pump due to a closed discharge valve or blockage in the line. The pump is forced to circulate the pumped medium, causing the temperature to continually rise. As the fluid churns inside the pump it heats into a vapor. Once a vapor is created, any bushings or mechanical seals in the pump heat to the point that they begin to crack, shatter, score or compromise the elastomers - killing the pump. When a centrifugal pump is dead-heading, it can lead to explosions, due to the energy being put into the liquid in the pump. Hydraulic overpressure and possible chemical reactions in the pump can also be caused by the overexertion of pressure. The same results can be caused by running the pump dry for an extended period - which can lead to cavitation.

𝐒𝐭𝐚𝐢𝐧𝐥𝐞𝐬𝐬 𝐬𝐭𝐞𝐞𝐥 𝟑𝟏𝟔/𝟑𝟏𝟔 𝐋: Stainless steel 316 and 316L are both austenitic stainless steels with similar compositions, but they have some key differences. The "L" in 316L stands for "low carbon," indicating that it has a lower carbon content than 316. 𝕊𝕥𝕒𝕚𝕟𝕝𝕖𝕤𝕤 𝕊𝕥𝕖𝕖𝕝 𝟛𝟙𝟞: ▪️Composition: Contains about 16-18% chromium, 10-14% nickel, 2-3% molybdenum, and small amounts of other elements. 👉🏼Use: Widely used in chemical processing equipment, pharmaceuticals, and marine applications. Commonly used in situations where exposure to harsh chemicals and corrosive environments is expected. Suitable for high-temperature applications. 𝕊𝕥𝕒𝕚𝕟𝕝𝕖𝕤𝕤 𝕊𝕥𝕖𝕖𝕝 𝟛𝟙𝟞𝕃: Composition: Similar to 316 but with a lower carbon content (max 0.03% compared to 0.08% in 316). 👉🏼Use: Preferred in applications where welding is required, as the lower carbon content minimizes the risk of carbide precipitation and subsequent corrosion. Us

  Sr.no. Homogenous mixture Heterogenous mixture 1. A homogenous mixture is that mixture in which the components mix with each other and its composition is uniform throughout the solution. A heterogenous mixture is that mixture in which the composition is not uniform throughout and different components are observed. 2. Components of homogeneous mixture cannot be seen through naked eyes. Components of heterogeneous mixtures can be seen through naked eyes. 3. In this mixture the component sizes are atomic/molecular level. Here, in this mixture, the size of particles are large. 4. Components of homogeneous mixture cannot be separated easily. Components of heterogeneous mixture can be separated easily. 5. The constituent particles in a homogeneous mixture possess the same physical properties. The constituent particles in heterogeneous mixture possess different physical properties. 6. Example: salt solution, sugar solution, air, etc. Example: mixture of salt and sugar, grains and pulses alo

Do not confuse with biscuits; However, cookies or biscuits are come with small pieces and we usually like them. Cookies are essentially pieces of code saved by websites onto the user’s web browser when a session is initiated.  All websites that use Cookies have agreed that Cookies enhance the browsing experience by allowing a website to store small snippets of data on a user’s device.  By doing so, the website can keep track of a user’s preferences and tailor content accordingly. According to W3 techs, cookies are used by 40.8% of all websites. They are used to hold a modest amount of data specific to a particular client and website and can be accessed either by the web server or by the client computer When cookies were invented, they were basically little documents containing information about you and your preferences. Cookies are not programs, they do not perform any functions. These are simple text files that can be opened using Notepad. In ad tech, cookies are used to track users a

Heat of formation of compounds is the fraction of heat evolved or absorbed when  1 mole of the substance is directly obtained from its constituent elements. Usually the conditions at which the compound is formed are taken to be temperature of  25 ∘ C and pressure of  1 atm in which case the heat of formation is called as standard heat of formation. ΔH=sum of bond energy of reactants−bond energy of products Complete step by step answer: As we know during any reaction evolution or absorption of heat energy occurs. This is in accordance with law of conservation of energy (1st law of thermodynamics) enthalpy of formation or heat of formation is the fraction of heat evolved or absorbed when 1 mole of substance is directly obtained from its constituent elements. To obtain enthalpy of formation of water H2(g)+1/2O2(g)→H2O(g)→ΔH=?H2(g)+1/2O2(g)→H2O(g)→ΔH=? for this you should know the bond energies of the reactants and products. BE-Bond Energy ΔH=[BE of H2+1/2×BE of O2]−[2 BE o

 Here are the standards for pressure safety/relief valve against the country name. Widely used standards are highlighted in blue font.  Country Standard No. Description Germany A. D. Merkblatt A2 Pressure Vessel Equipment safety devices against excess pressure - safety valves TRD 421 Technical Equipment for Steam Boilers Safeguards against excessive pressure - safety valves for boilers of groups I, III & IV TRD 721 Technical Equipment for Steam Boilers Safeguards against excessive pressure- safety valves for steam boilers group II United Kingdom, UK BS 6759 Part 1 specification for safety valves for steam and hot water Part 2 specification for safety valves for compressed air and inert gas Part 3 specification for safety valves for process fluids France AFNOR NFE-E 29-411 to 416 Safety and relief valves NFE-E-29-421 Safety and relief valves Korea KS B 6216 Spring loaded safety valves for steam boilers and pressure vessels Japan JIS B 8210 Steam boilers and pressure vessels - spring