Is selective coordination required? Selective coordination is required for systems related to life safety (as defined in the NEC), and is achieved when an overcurrent on a circuit is interrupted and only the closest upstream device opens such that only the section of the electrical system with a problem is taken offline. What is selective […]
Are multiple choice tests accurate?
Are multiple choice tests accurate? Multiple choice test questions, also known as items, can be an effective and efficient way to assess learning outcomes. Multiple choice test items are less susceptible to guessing than true/false questions, making them a more reliable means of assessment. When should I use multiple choice test? Multiple-choice items are best […]
What prevents the wrong gas from being connected to the equipment?
What prevents the wrong gas from being connected to the equipment? The connection is marked with a Compressed Gas Association (CGA) number and will be left-hand or right-hand threaded to match the nut or fitting. This prevents a piece of incompatible gas equipment from being connected to the wrong gas supply. Can gas cylinders explode? […]
Where do you expect the strongest electric field?
Where do you expect the strongest electric field? The direction of the field line at a point is the direction of the field at that point. The relative magnitude of the electric field is proportional to the density of the field lines. Where the field lines are close together the field is strongest; where the […]
What is the charge of so4?
Would base isolators be able to protect a building if the ground moves up and down?
Would base isolators be able to protect a building if the ground moves up and down? It is a collection of structural elements which should substantially decouple a superstructure from its substructure that is in turn resting on the shaking ground, thus protecting a building or non-building structure’s integrity. Contrary to popular belief base isolation […]
What are protective strategies?
What are protective strategies? Protective behaviour strategies. Help the child identify who they can talk to if they don’t feel safe. Make sure the child knows what to do if they are in an unsafe situation. Kids should have their own safe place in the house – a place that is ‘theirs,’ where they can […]
What is the lowest court in the federal system?
What is the lowest court in the federal system? The Federal District Courts are the lowest part of the pyramid. What is the order of courts from highest to lowest? Introduction To The Federal Court System. The federal court system has three main levels: district courts (the trial court), circuit courts which are the first […]
Where is the most fresh water on Earth?
How do I calculate total duration in Excel?
How do I calculate total duration in Excel? Another simple technique to calculate the duration between two times in Excel is using the TEXT function: Calculate hours between two times: =TEXT(B2-A2, “h”) Return hours and minutes between 2 times: =TEXT(B2-A2, “h:mm”) Return hours, minutes and seconds between 2 times: =TEXT(B2-A2, “h:mm:ss”) How do you write […]