Category: Engineering

What effects do tariffs have on the economy? Tariffs damage economic well-being and lead to a net loss in production and jobs and lower levels of income. Tariffs also tend to be regressive, burdening lower-income consumers the most. What are the effects of a tariff on a good? Trade barriers such as tariffs raise prices […]

What is zirconium dioxide used for? Zirconium dioxide or zirconia is one of the most widely used ceramic oxides. Its applications range from use in abrasive products, dental bridges and crowns, additive in paints and lacquers, in fuel cell membranes and in joint implants. Is zirconia basic or acidic? Zirconium dioxide (ZrO2) is an important […]

Is a knife a lever or wedge? A knife works as a combination of a wedge and a class 2 lever (depending on how you are using it). The blade of the knife is an excellent example of a wedge, which is like a double-sided ramp. Each side of the knife blade carries part of […]

Does the Laplace transform exist for all functions? Re: Does Laplace exist for every function? As long as the function is defined for t>0 and it is piecewise continuous, then in theory, the Laplace Transform can be found. What is the Laplace transform of sin at? Let L{f} denote the Laplace transform of a real […]

What is an additive manufacturing engineer? Position: Additive Manufacturing Engineer You will be responsible for defining and executing process development strategies and roadmaps for the world’s most productive and advanced metal AM systems. You will also work with a cross-disciplinary internal team to further improve our AM system design and performance. What is need for […]

How do you find the reverse saturation current of a diode? Hint: We know that the current that flows in reverse bias PN junction diode is called reverse saturation current. From the diode current equation I=Is(eVηVT−1) the current should decrease as the temperature is increased but the opposite happens. What is reverse saturation current in […]

What is a ground fault protection device? A ground-fault circuit-interrupter (GFCI) is an electrical device, either a receptacle or circuit breaker, which is designed to protect people from electric shock. Even if a system is properly grounded, minor faults in a circuit can cause a dangerous shock to a person using an appliance or power […]

Which of the following is not an alloy? Which of the following is not an alloy? Notes: • Bronze is an alloy consisting primarily of copper, commonly with about 12–12.5% tin and often with the addition of other metals (such as aluminium, manganese, nickel or zinc) and sometimes non-metals or metalloids such as arsenic, phosphorus […]

Is it better to push or pull a cart? Avoid pulling when possible. Pushing generally takes less effort than pulling because your body weight is used to assist the exertion. Also, pulling a load often causes carts to run into the shins or ankles. What is the easiest golf cart to push? Bag Boy Nitron […]

What amount of change requires the most coins? It’s easy to see that you can’t require more than eight coins, because you can’t increase the number of any of the coin types without creating a combination that could be obtained with less coins. Let’s see: If you increase the number of pennies to five, you […]