The required diameter of a steel transmission shaft 10 m in length and of yield strength 350 mpa is 0.02795m
What is steel?
Steel is an iron alloy that contains a few tenths of a percent carbon to increase its strength and fracture resistance when compared to other types of iron. Many additional elements could exist or be added. Stainless steels that are corrosion- and oxidation-resistant often require an additional 11% chromium. Steel's high tensile strength and low cost make it useful in constructions, infrastructure, tools, ships, trains, automobiles, machinery, electrical appliances, armament, and rockets. The foundation metal of steel is iron.
Neglecting shaft weight Design the shaft using maximum shear stress theory and determine the required diameter
factor of safety = 1.5
length of shaft = 10 meters
material yield strength = 350 MPa
Torque = 500 N.m
The required shaft diameter = 0.02795 m
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Many solderless connectors are color coded for the size of wire they are designd to work with. WHat size is indicated by the color blue?
Blue insulated connectors used for joining 1.1mm² – 2.5mm² cable sizes.
Green or green with a yellow stripe serves as the protective ground. The neutral wire is white, the hot single phase wires are black, and the second active wire is red. Red, black, and blue three-phase lines.
What is solderless connectors?Solderless connections are ideal when high reliability is not required. Such as components that must be unplugged or replaced on a regular basis or that you anticipate changing in the near future.
Connector tension A solderless device is one that makes a mechanical connection between two or more conductors or between one or more conductors and a terminal without the use of solder.
Solderless strip connectors are used to connect LED strip lights without using solder. They work by inserting the strip into the connectors below. The strip's contact pads slide beneath the connector's contact prongs, completing the electrical circuit.
Strip connectors without soldering do not form a permanent electrical connection with the strip light. While the clasp's teeth do an adequate job of holding the strip in place, movement is still possible - and if there is a lot of it, the contact pads are likely to move away from the contact prongs and lose connection.
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technician a says an out-of-round drum can cause a pulsating brake pedal. technician b says an out-of-round drum can cause the brakes to grab. who is correct?
According to the question of the pulsating brake pedal, both A and B are correct.
What causes brake pulsation?
Brake pulsation is mainly caused by warped rotors/brake discs. Excessive hard braking or quick stops, which can significantly overheat the discs, are the primary causes of deformed rotors. When the discs overheat, the composition of the metal disc material changes, resulting in imperfections in the metal's surface. Hotspots are noticeable irregularities. They appear as discoloured areas of the disc material, which are often bluish or blackish in appearance. The brake pedal is the pedal which you press with your foot to slow or stop a vehicle. When the driver presses the brake pedal, the system automatically delivers the appropriate pressure required to prevent colliding with the vehicle in front.
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The space between two square flat parallel plate is filled with oil. Each side of
the plate is 600mm. The thickness of the oil films is 12.5mm. The upper
plate, which moves at 2.5m /s, requires a force of 98.1 N to maintain the
speed. Determine
I.The dynamic viscosity of the oil in poise.
Ii.The kinematic viscosity of the oil in strokes if the specific gravity of the oil
is 0.95
The dynamic viscosity of the oil in poise is 13.625 pois
The kinematic viscosity of the oil in strokes is 14.34
How to solve for the dynamic viscosityF viscous is given as n* ΔFr / Δy
where n = F * Δy / A * ΔVn
We have to define the terms of the formula
Δy = 12.5 x 10⁻³
ΔVr = 2.5m /s
A = 60 x 60 cm² = 0.36m
F = 98.1 n
We have to put the values in the formula
98.1 n * 12.5 x 10⁻³ / 0.36m * 2.5m /s
n = 1.3625 ns / m²
The kinematic viscosity of the oil in strokes if the specific gravity of the oil is 0.95
y = n / e
n = 1.3625
e = 0.95 x 10³
y = 1.3625 / 0.95 x 10³
= 1.434 x 10⁻³
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A mathematics professor Mr. Cuba has two cubes on his table. Cuba arranges these two cubes daily to show the
current day of the month. Which 6 numbers do you think will be on the sides of either of these cubes to make
this happen? What steps shall he take daily? You can't represent the day 9 with only one cube. You have to use
both cubes all the time. So the 9th day would be "09", and 15th day would be "15"
Answer:
The six numbers on the cubes' sides are 0, 1, 2, 3, 4, and 5. Mr. Cuba would need to arrange the cubes each day to represent the current day of the month. For example, on the 9th day, he would put the cubes to show "09"; on the 15th day, he would arrange the cubes to show "15".
Explanation:
Link generation using microsites is a practice of. SEO
Link generation using microsites is a practice of White Hat SEO.
What is microsite?
A microsite is a single web page or a small group of web pages that are designed to supplement an offline activity or work as a separate entity (like an iFrame) within an already-existing website. The primary landing page for the microsite may have a separate domain or subdomain. In web design, microsites are frequently used to add a specific group of data, either editorial as well as commercial. When a site is used temporarily, such sites may be removed entirely from the server, linked in or out to the main site, or both. A microsite's primary difference from its parent site is how focused and purposeful it is in comparison to the microsite's larger parent website.
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