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How do you calculate a 45 degree elbow take off?
To calculate a 45-degree elbow takeoff, you need to consider the diameter of the pipe and the flow rate. Typically, you can use the formula for an elbow fitting's pressure loss, which is based on the flow velocity and the elbow's characteristics. Additionally, you may need to refer to manufacturer data or standards that provide specific loss coefficients for a 45-degree elbow to ensure accurate pressure drop calculations in your system.
What is the meaning of the triangular symbol?
Triangle Unusual creativity or talent. -pointing up Success -pointing down Failure The triangle is thought to be the most stable of shapes and appears in the art and religious imagery of many ancient cultures. Gods and goddesses of many pagan pantheons are said to be of triple aspects. Feng Shui regards the triangle as a fire element for all they see it as incomplete and unbalanced, and it is auspicious when placed in the south. As a protrusion from a building they are excellent for the south-west and north -east corners, but will cause a loss of luck if placed in the north-west or west corners.
What are the contribution of georg von purbach to trigonometry?
He made his observations with very simple instruments, using an ordinary plumb-line to measure the angles of elevation of the stars. He also introduced a mathematical innovation by using Hindu-Arabic numerals in his sine tables, the first transition from the duodecimal to the decimal system.
Does a diamagnetic substance exhibit hysteresis loss?
No, diamagnetic materials do not exhibit hysteresis loss because they do not have permanent magnetic moments that can be aligned and re-aligned in response to an external magnetic field. Hysteresis loss occurs in ferromagnetic materials due to the energy dissipated during the reversal of magnetic domains.
How does Lenz's Law explain power loss in transformers?
It doesn't, really. The power loss in transformers is broken down into copper loss and iron loss. The copper loss comes from the resistance of the windings in the transformer and depends on the load current, while the iron loss in the magnetic core depends on the magnetic flux density and is constant if the supply voltage is constant.
Why no power loss in pure inductance?
An inductor is a device which stores energy as a magnetic energy.... Ideal inductor have no resistance.....so there is no power loss.... power loss = (I*I)*R
How can magnets stop working and what factors contribute to their loss of magnetic properties?
Magnets can stop working when their magnetic properties weaken or disappear. Factors that contribute to this loss include exposure to high temperatures, physical damage, and demagnetizing fields.
Power loss in open circuit test?
There is no power loss in open circuit test. Actually there is iron loss also known as magnetic losses. These include hysteresis and eddy-current losses. This can be described as V1^2/Rc Where V1 is the primary voltage and Rc is the resistance of the magnetic core.
How can magnetic shielding be utilized to prevent energy loss in a perpetual motion machine?
Magnetic shielding can be used in a perpetual motion machine to prevent energy loss by creating a barrier that reduces the influence of external magnetic fields on the machine's components. This helps maintain the machine's motion and efficiency by minimizing interference from outside sources.
How can hysteresis loss in magnetic material may be reduced?
Hysteresis losses depend on the type of metal used to manufacture the magnetic circuit of a machine. Most magnetic circuits are made from silicon steel. Generally speaking, there's not much you can do to reduce hysteresis losses as that has already been factored in by the machine's designer.
What is the purpose of B-H curve?
The purpose of the B-H curve is to quantify the relationship between the magnetic flux density (B) and the magnetic field strength (H) in a material. It helps in understanding the magnetic properties of materials, such as their magnetization behavior and saturation levels, which is essential for designing magnetic devices and systems.
Is a magnetic disc affected by a theft detection device or magnetic theft alarm sensor?
Yes, a magnetic disc like a hard drive or floppy disk can be affected by a theft detection device or magnetic theft alarm sensor due to the strong magnetic fields they emit. This can potentially cause data loss or corruption on the magnetic disc. It is best to keep such devices away from magnetic fields.
How can magnets be used to aid in weight loss?
Magnets are sometimes used in products like magnetic therapy bracelets or patches that claim to help with weight loss by stimulating certain pressure points on the body. However, there is limited scientific evidence to support the effectiveness of these products in aiding weight loss. It is important to consult with a healthcare professional before using any magnetic weight loss products.
Which tool could potentially cause data loss on hard disk or floppy drives?
a magnetic screwdriver
What is eddy current loss in transformers?
Eddy current loss in Transformers is because of the eddy currents formed in the body of the magnetic core.Whenever a conductor(iron core) exposed to a changing magnetic field a magnetc field produced in the body of the magnetic core.That induce a circulating current in it.Which is called eddy current.In the case transformer it is loss.But it is useful in other purposes.
