How do you find the reliability of a parallel system? For example, if two components are arranged in parallel, each with reliability R 1 = R 2 = 0.9, that is, F 1 = F 2 = 0.1, the resultant probability of failure is F = 0.1 × 0.1 = 0.01. The resultant reliability is […]
What order should jumper cables be put on when jump starting a vehicle?
What order should jumper cables be put on when jump starting a vehicle? Step 3: With both cars off and in “park,” connect the jumper cables in the following order: Connect one red clamp to the positive (+) battery post of the “dead” battery. Connect the other red clamp to the positive (+) post of […]
How do you calculate equivalent sound level?
How do you calculate equivalent sound level? The equation to calculate Leq divides the integrated, normalized sound pressure by the duration of interest of the signal. The result is expressed in units of decibels: Leq = equivalent continuous sound pressure level in dB. How do you calculate sound pressure level? Sound pressure level (SPL) is […]
How does heat conduction differ from heat convection?
How does heat conduction differ from heat convection? In conduction, heat transfer takes place between objects by direct contact. In convection, the heat transfer takes within the fluid. In radiation, heat transfer occurs through electromagnetic waves without involving particles. What is the difference between conductive heat transfer and convective heat transfer give one example of […]
How do you draw a spur gear?
How do you draw a spur gear? How to design a Spur Gear (with Equations) Adding Variables. Go to: Tools > Equations, then add these under Global Variables: Drawing the Gear’s outline. Draw a circle, then assign its diameter to “Head Diameter”. Adding a Bore (Optional) Extruding the Sketch (Base) Drawing the Gear’s teeth inbetweens. […]
What does cyanide do to the body?
Why is BOD test done for 5 days?
Why is BOD test done for 5 days? The standard oxidation (or incubation) test period for BOD is 5 days at 20 degrees Celsius (°C) (BOD5). The BOD5 value has been used and reported for many applications, most commonly to indicate the effects of sewage and other organic wastes on dissolved oxygen in surface waters […]
What depth are TYRE wear indicators set at?
What depth are TYRE wear indicators set at? 1.6mm Where is the tire wear indicator? Tread wear indicators (“wear bars”) are located at the base of the main grooves and are equally spaced around the tire. The tread wear indicators, which look like narrow strips of smooth rubber across the tread, will appear on the […]