Category: Engineering

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 […]

Which type of lines are used to represent hidden edges? Figure 5: Use of dashed lines to represent edges hidden in views of a complicated object. What does hidden line represent? Hidden lines are used to show surfaces that are not directly visible. All surfaces must be shown in all views. If an edge or […]

How did the Spanish colonization effort differ from those of the French and Dutch? How did the colonization efforts of the French and Dutch primarily differ from those of the Spanish? The French and Dutch relied heavily on trade alliances with Native Americans, while the Spanish did not. Spaniards intermarried with Native Americans. How were […]

What is a 1 point perspective? One point perspective is a type of drawing created on a 2D plane that uses one point in the distance from which everything in the drawing is set out. What is 1 point and 2 point perspective? In one-point perspective, all lines converge to a single point on the […]

How do you calculate nominal interest compounded monthly? For example: assume you deposit 100 dollars in a bank account and the bank pays you 6% interest compounded monthly. This means the nominal annual interest rate is 6%, interest is compounded each month (12 times per year) with the rate of 6/12 = 0.005 per month, […]

How do you calculate the temperature of a heat exchanger outlet? The main basic Heat Exchanger equation is: Q = U x A x ΔTm = The log mean temperature difference ΔTm is: ΔTm = (T1 – t2) – (T2 – t1) = °F. Where: T1 = Inlet tube side fluid temperature; t2 = Outlet […]

What three things drive a roller coaster? Roller coasters rely on gravity to take them to the end of the track. This involves two types of energy, potential energy and kinetic energy. Who invented roller coasters? LaMarcus Thompson What makes a good roller coaster? A great roller coaster has what one would call good pacing. […]

How do you play Rock Paper Scissors with more than 2 people? If you want to play Rock Paper Scissors with a group of 2 or more people it is very simple, everyone in the group plays a gesture and if all 3 gestures are showing everyone plays again. If only 2 gestures are showing […]