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What is the first negative after a p wave in a normal cardiac cycle?
The first negative deflection after a P wave in a normal cardiac cycle is the Q wave, which is part of the QRS complex. The Q wave represents the initial depolarization of the interventricular septum and is typically a small downward deflection. It is followed by the R wave (upward deflection) and then the S wave (downward deflection), completing the QRS complex that corresponds to ventricular depolarization.
What experimental evidence did Thomson have for the atoms of all elements contain electrons?
The deflection of cathodic rays was the source of inspiration for Thomson.
What is the difference between a bressummer beam and a lintel?
A bressummer beam carries loads from above but has no window or door below it. Therefore its allowable deflection (long term or short loads) can be greater. A lintel on the other hand has a window or door below it and requires less deflection to ensure that the operation of the window/door is not compromised.
What is crankshaft web deflection?
An engine/compressor crankshaft has several places where rods to the pistons are connected. The rods are on a pin which is offset from the center of the crankshaft. Thus, as the crankshaft rotates, the pin orbits in a circle around it. The connecting rod is thus forced back and forth, due to the pin's motion. The pin is connected to the crankshaft by two pieces called WEBs. On a perfectly-aligned crankshaft, the distance between the two webs is constant, even as the shaft rotates. However, after months of constant use, the mounting of the engine/compressor can change: ground settling, worn support structures, bolt tension changes, etc. When this happens, the distance between the webs can start to vary with rotation. The amount of variation in this distance is called WEB DEFLECTION. That means the webs are subject to cyclic stress every rotation, and if severe enough, the crankshaft can be destroyed. WEB DEFLECTION is thus an indicator of the state of crankshaft alignment. Even a few mils variation is indicative of trouble. Manufacturers recommend checking this periodically, and re-aligning the shaft if the deflection is over a given limit. Here is a drawing of a crankshaft, with the web labeled: http://www.motorera.com/dictionary/pics/c/crankshaft.gif
What causes the throbbing called a pulse?
What causes the throbbing called a pulse?
What causes a slanted tv picture?
If the deflection yoke is rotated it can cause a slanted TV picture. The deflection yoke is located on the tube neck inside the TV.
What causes just a thin flat line and nothing else to appear on your tv screen?
The vertical deflection system is broken. The vertical deflection system is broken.
Why galvanometer show opposite deflection?
A galvanometer shows opposite deflection because the current flowing through it causes a magnetic field that interacts with the permanent magnet inside the galvanometer. The direction of the magnetic field determines the direction of deflection of the needle, resulting in opposite deflection depending on the direction of current flow.
What causes the downward deflection?
Downward deflection in a beam can be caused by various factors such as applied loads, weight of the beam itself, support conditions, and material properties. The beam experiences bending under these factors, resulting in deformation or deflection. Factors such as stiffness, beam geometry, and loading conditions influence the magnitude of the downward deflection.
In the Southern Hemisphere the Coriolanus effect causes winds to curve to the?
left. This is due to the rotation of the Earth causing a deflection in the direction of moving objects, including winds. In the Southern Hemisphere, this deflection results in winds curving to the left.
What direction is the Coriolis Deflection in the northern and southern hemisphere?
In the Northern Hemisphere, the Coriolis deflection causes moving objects, such as air and water currents, to deflect to the right of their motion. In contrast, in the Southern Hemisphere, the deflection is to the left. This effect is a result of the Earth's rotation and is most noticeable in large-scale movements, such as trade winds and ocean currents.
What is the deflection sensitivity of a cathode ray oscilloscope?
It is the deflection on the screen (meter) per volt of deflection
What is deflection torque and what causes it?
Deflection torque refers to the torque that causes a mechanical system, such as a beam or shaft, to bend or deform under applied loads. It arises from the combination of forces acting on the structure, leading to a change in its angular position or alignment. Factors such as material properties, cross-sectional shape, and the magnitude and direction of the applied forces contribute to the generation of deflection torque. This concept is crucial in engineering design to ensure structures can withstand operational stresses without excessive deformation.
Deflection of cantilever with point load?
maximum deflection will accure
What is the clockwise deflection of air is the northern hemisphere and the counterclockwise deflection of air in the southern hemisphere?
The Coriolis effect is the clockwise deflection of air in the north hemisphere and the counterclockwise deflection in the Southern Hemisphere.
What is the clockwise deflection of air in the northern hemisphere and the and counterclockwise deflection of air in the southern hemisphere?
The Coriolis effect is the clockwise deflection of air in the north hemisphere and the counterclockwise deflection in the Southern Hemisphere.
How do you use deflection in a sentence?
The deflection of the ball caused it to change direction. The politician used deflection to redirect attention away from the controversial issue. The deflection of the light off the mirror created a dazzling effect in the room.
