What do astronauts suits protect them from? Spacesuits supply astronauts with oxygen to breathe while they are in the vacuum of space. The suits contain water to drink during spacewalks. They protect astronauts from being injured from impacts of small bits of space dust. Spacesuits also protect astronauts from radiation in space. How do space […]
What do 3rd degree burns look like?
What do 3rd degree burns look like? A third-degree burn will not produce blisters or look wet. Instead, it will look dark red, dry, and leathery. Touching a third-degree burn usually does not cause pain. You will easily be able to see that the burn penetrates deeply into the skin, and you may even see […]
What is a closed system in thermodynamics?
What is a closed system in thermodynamics? In thermodynamics, a closed system can exchange energy (as heat or work) but not matter, with its surroundings. An isolated system cannot exchange any heat, work, or matter with the surroundings, while an open system can exchange energy and matter. When a closed system undergoes a cycle the […]
How do you use radix sort?
What is the most important source of error in the Brinell test *?
What is the most important source of error in the Brinell test *? What is the most important source of error in the Brinell test? Explanation: Brinell test is used on the rough surface. Coarse structure can also be tested using the Brinell test. Biggest source of error in indentation measurement. What is the use […]
What are the key elements of a health and safety management system?
What are the key elements of a health and safety management system? The key elements of a successful safety and health management system are: Policy and commitment. Planning. Implementation and operation. Measuring performance. Auditing and reviewing performance. What are the four basic elements of a health and safety program? There are four basic elements to […]
How does the electric potential vary with distance from a point charge?
What is the SkillsUSA creed?
What is the SkillsUSA creed? SkillsUSA Creed. I believe in the dignity of work. I hold that society has advanced to its present culture through the use of the worker’s hands and mind. I will maintain a feeling of humbleness for the knowledge and skills that I receive from professionals, and I will conduct myself […]
What is the traditional type of motor vehicle headlight?
What is the traditional type of motor vehicle headlight? Incandescent lights are still used for classic cars. With that said, Halogens have truly taken over as the standard in most vehicles. There are five halogens, however, only two are used in halogen headlights: Iodine and Bromine. What is the last item on the vehicle starting […]
How is heat transferred from the heating element to the water at the bottom of the kettle?
How is heat transferred from the heating element to the water at the bottom of the kettle? The animation below shows heat transfer by convection in a kettle. The water molecules at the bottom of the kettle gain heat energy from the flame and vibrate faster and move further apart. The colder less dense molecules […]