How do you find the closed loop transfer function from an open loop transfer function? Closed-loop System Transfer Function To find the transfer function of the closed-loop system above, we must first calculate the output signal θo in terms of the input signal θi. Note that the error signal, θe is also the input to […]
What are the three axes of an aircraft?
What are the three axes of an aircraft? Regardless of the type of aircraft, there are three axes upon which it can move: Left and Right, Forwards and Backwards, Up and Down. In aviation though, their technical names are the lateral axis, longitudinal axis and vertical axis. What are the planes and axis of movement? […]
What causes shaft deflection?
What causes shaft deflection? Shaft deflection is the bending of a pump shaft that occurs when the velocity of liquid being pushed by an impeller is not equal at all points around the impeller. How do you know if your shaft has run-out? Runout is a condition where the centerline of the coupling or shaft […]
What kind of fossils are found in the La Brea Tar Pits?
What kind of fossils are found in the La Brea Tar Pits? Among the prehistoric species associated with the La Brea Tar Pits are Pleistocene mammoths, dire wolves, short-faced bears, American lions, ground sloths, and, the state fossil of California, the saber-toothed cat (Smilodon fatalis). What was found in the La Brea Tar Pits in […]
When a GFCI senses a fault the ground fault current can originate from?
When a GFCI senses a fault the ground fault current can originate from? WHEN A GFCI SENSES A FAULT THE GROUND-FAULT CURRENT CAN ORIGINATE FROM &nb sp; A EITHER THE HOT OR THE NEUTRAL WIRE ON. By chatting and providing personal info, you understand and agree to our Terms of Service and Privacy Policy. What […]
How do you find the area of a shell and tube heat exchanger?
What is the reverse engineering process?
What is the reverse engineering process? Reverse engineering, sometimes called back engineering, is a process in which software, machines, aircraft, architectural structures and other products are deconstructed to extract design information from them. Often, reverse engineering involves deconstructing individual components of larger products. Is it illegal to reverse engineer? Reverse engineering generally doesn’t violate trade […]
What are the major blocks of the oscilloscope and what does each do?
What are the major blocks of the oscilloscope and what does each do? Cathode Ray Oscilloscope (CRO) consists a set of blocks. Those are vertical amplifier, delay line, trigger circuit, time base generator, horizontal amplifier, Cathode Ray Tube (CRT) & power supply. The block diagram of CRO is shown in below figure. The function of […]
How can pump cavitation be prevented?
How can pump cavitation be prevented? How to Prevent Cavitation Reduce motor speed (RPMs). Install an impeller inducer. Incorporate a booster pump into your pump system. If possible, reduce the temperature of your pump, liquid, and/or other components. Increase liquid level around the suction area. What causes cavitation in a pump? Cavitation happens when bubbles, […]
How do you know if a molecule is amphipathic?
How do you know if a molecule is amphipathic? An amphipathic molecule is a molecule that has both polar and non-polar parts. Phospholipids, for example, have non-polar fatty acid “tails” and polar phosphate “heads.” “Polarity” is an important property of molecules that determines how they will interact with other molecules. When amphipathic compounds are mixed […]