Category: Engineering

What must be done before shipping any used refrigerant in a cylinder? Before shipping any used refrigerant cylinders, check that the cylinder meets DOT standards, complete the shipping paperwork including the number of cylinders of each refrigerant, and properly label the cylinder with the type and amount of refrigerant. Cylinders should be transported in an […]

Why is black box not destroyed? “It is extremely rare for a black box to be destroyed,” says Hamilton. “Black boxes have traditionally outperformed their design.” Hamilton says he cannot think of a single case in which both devices have been damaged to the point of there being no useful data. What was one problem […]

How long can food that requires time temperature control be left in the danger zone? four hours How long can you leave food in the danger zone during preparation? The 2 Hour/ 4 Hour Rule tells you how long freshly potentially hazardous foods*, foods like cooked meat and foods containing meat, dairy products, prepared fruits […]

How do you use substitution to solve a system of equations? Here’s how it goes: Step 1: Solve one of the equations for one of the variables. Let’s solve the first equation for y: Step 2: Substitute that equation into the other equation, and solve for x. Step 3: Substitute x = 4 x = […]

Which resources do many Ctsos provide to their members? They are often integrated into departments of education on the state level. Their main purpose is to provide assistance and help to the students. They provide hands on experience to the students who want to flourish their career and technical skills before entering into the real […]

Which pair of elements will most likely exhibit similar chemical properties? Elements that are in the same group of the periodic table are most likely to exhibit similar chemical and physical properties. We therefore expect that Ca and Mg should be most alike because they are in the same group (group 2A, the alkaline earth […]

How do you declare a double float in C++? float a = 5.6; Here, we have assigned a double value to a float variable. In this case, 5.6 is converted to float by the compiler automatically before it is assigned to the variable a . How do you declare a double variable? In this example, […]

Is there a demand for environmental engineers in the future? Job Outlook Employment of environmental engineers is projected to grow 3 percent from 2019 to 2029, about as fast as the average for all occupations. State and local governments’ concerns regarding water availability and quality should lead to efforts to increase the efficiency of water […]

At what concentration is ammonia hazardous? Ammonia is considered a high health hazard because it is corrosive to the skin, eyes, and lungs. Exposure to 300 parts per million (ppm) is immediately dangerous to life and health. Ammonia is also flammable at concentrations of approximately 15% to 28% by volume in air. What are the […]

How do you insert a picture into Desmos? To add an image to your graph, start by opening the Add Item menu and choose Image. Clicking and dragging the image into the expression list is also supported in many browsers. To Move the image, click on the center point and drag the image to where […]