What are chemical additives in food? Substances that are added to food to maintain or improve the safety, freshness, taste, texture, or appearance of food are known as food additives. Some food additives have been in use for centuries for preservation – such as salt (in meats such as bacon or dried fish), sugar (in […]
What is the speed of the jet stream winds?
What is the speed of the jet stream winds? 129 to 225 kilometers per hour Who invented jet stream? Heinrich Seilkopf Why is the jet stream weakening? Climate scientists have hypothesized that the jet stream will gradually weaken as a result of global warming. Trends such as Arctic sea ice decline, reduced snow cover, evapotranspiration […]
What is the first step of the design process?
What is the first step of the design process? Discovery is the first step of the design process, where teams work together to develop an understanding of the problem they are trying to solve, and define the path they will take to explore solutions. It culminates in the communication of a vision – a concise […]
Are employers required to give time for breastfeeding mothers?
Are employers required to give time for breastfeeding mothers? Employers are required to provide a reasonable amount of break time and a space to express milk as frequently as needed by the nursing mother, for up to one year following the birth of the employee’s child. What is Section 7 of the FLSA? Section 7(r) […]
What is the function of alloying elements in tool steels?
What is the function of alloying elements in tool steels? Alloying elements are incorporated into steels for one, or more, of the following reasons: (1) to improve mechanical properties by controlling hardenability and permitting higher tempering temperature while maintaining high strength and ductility; (2) to improve high- or low-temperature mechanical properties; (3) to … Why […]
How do you control pump cavitation?
How do you control pump cavitation? Some tips to prevent cavitation due to vaporization include: NPSHa > NPSHr + 3 ft or more safety margin. Lower temperature. Raise liquid level in suction vessel. Change out pump type. Reduce motor RPM. Use impeller inducer. Increase diameter of the eye of impeller. How cavitation occurs in pump? […]
What are the advantages of up milling?
What are the advantages of up milling? Advantages of Conventional Milling (Up Milling): The width of the chip starts from zero and increases as the cutter finishes slicing. The tooth meets the workpiece at the bottom of the cut. Upward forces are created that tend to lift the workpiece during face milling. What is Climb […]
Why is it important to run the monitors after repair?
Why is it important to run the monitors after repair? Modern vehicles perform various self-tests (Monitors) in order to ensure the OBDII and emission control systems are functioning properly. Note that Readiness Monitors must be rerun after a repair like disconnecting a vehicle’s battery or replacing a defective emissions component. What must a technician first […]