Can you make a precipitation hardened 2014 aluminum? A solution heat-treated 2014 aluminum alloy is to be precipitation hardened to have a minimum yield strength of 345 MPa (50,000 psi) and a ductility of at least 12%EL. Specify a practical precipitation heat treatment in terms of temperature and time that would give these mechanical characteristics. […]
What is a good following distance when driving in good weather and good road conditions?
What is a good following distance when driving in good weather and good road conditions? Safe distances – Keep a safe distance from the car in front and leave at least a two second gap – three seconds is best. If driving conditions are affected by rain or reduced visibility increase the gap to at […]
Why is the operation of a screw pump quiet?
Why is the operation of a screw pump quiet? Why is the operation of screw pump quiet In the screw pump, the fluid moves linearly and do not rotate. Therefore even at high speed there is no pulsations and operates quietly. Which pump operates quietly? Fixed-displacement vane pump The pump operates quietly even in hi […]
What is total resistance?
Is our universe an isolated system justify?
Is our universe an isolated system justify? A system is isolated when there is no energy exchange with the surroundings. The universe is by definition of the word isolated, because it contains everything by definition, and thus there can be no exchange of energy with anything. What is the meaning of an isolated system? In […]
What are the Hazard Communication standard requirements for employers?
What are the Hazard Communication standard requirements for employers? Employers using hazardous chemicals have four main requirements: ensuring the proper chemical labeling ; providing safety data sheets ; training employees ; and creating a written hazard communication program. What are the employer’s responsibilities under the Hazard Communication Standard? The Hazard Communication Standard (HCS), 29 CFR […]
What are the 3 categories reportable under Riddor?
What are the 3 categories reportable under Riddor? Reportable injures There are seven different categories of RIDDOR, and these are: deaths, specified injuries, over seven day injuries, injuries to people not at work, some work-related diseases, dangerous occurrences and gas incidents. What is considered a reportable incident? A reportable incident is anything that happens out […]
What happens if you inhale mercury from a light bulb?
What happens if you inhale mercury from a light bulb? Mercury in CFLs are present as elemental (or metallic) mercury. Once inhaled, the mercury vapor can damage the central nervous system, kidneys, and liver. These toxic effects are why any mercury spill should be handled carefully, including one that results from a CFL breaking. Do […]
How should a 3-way switch be wired?
How should a 3-way switch be wired? Directions for Wiring a 3-Way Light Switch Yourself: Turn off the correct circuit at your electrical panel. Add an electrical box for the second 3-way switch in the basement. Feed a length of 14-3 type NM cable (or 12-3, if you’re connecting to 12-gauge wire) between the two […]
Is fluid pressure equal at all points in a liquid?
Is fluid pressure equal at all points in a liquid? Fluid Properties Pascal’s law says that pressure applied to an enclosed fluid will be transmitted without a change in magnitude to every point of the fluid and to the walls of the container. The pressure at any point in the fluid is equal in all […]