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What is scoop coupling?
Scoop coupling is nothing but a fluid coupling works based on the hydro dynamic principle. Scooping is the collecting the oil from the working chamber(space between pump wheel and turbine wheel) which will effects the transmission.
How VVTI works?
It is a variable valve timing innovations from toyota, where in power and fuel efficiency can be optimized by varying the timing of the camshaft with respect to the crankshaft of an engine,by retarding or advancing the camshaft by a certain phase angles.A conventional engine has it's camshaft rotate half the crankshaft rotation and the performance of a such engine would be in it's peak efficiency for a single speed only.Engineers developed a technology to overcome this in-efficiencies by introducing variable valve timing where camshaft rotation can advance or retard with respect to the crankshaft,hence optimising performance and fuel efficiency.
How over speed protection system works in steam turbine?
by means of mechanical or electrical overspeed protection mechanism
What instrument measures speed?
It depends what you are measuring the speed of.The best-known way to measure speed is to divide the distance travelled by the time taken. If a 20km trip takes 1 hour and 15 minutes (1.25 hours), then the speed is 20/1.25 = 16 km/h.In any vehicle with wheels (car, bicycle, train), the distance can be found by counting the turns of the wheel. The speedometer is calibrated to show the speed.A GPS calculates the distance travelled by measuring the distances between a series of points on the ground (The location of these points is established from satellite signals). Speed is then calculated from the time taken between each pair of points.In an aircraft, speed is measured by a small tube pointed forward, called a pitot tube. The higher the air pressure in this tube, the greater the speed shown by the airspeed indicator. The vertical speed indicatormeasures the difference in the outside air pressure, which decreases with altitude.In a boat the pitometer log operates on the same principle as an airspeed indicator, but with water instead of air.All of these methods measure the speed with which you are moving. What if you want to measure the speed of something else?A radar gun is used by police to catch speeders. It can also be used to tell the speed of a baseball pitch or a tennis serve. It works on the Doppler effect: the frequency of the reflected radio waves goes up with increasing speed. The distance to a galaxy is related to its red shift(also a result of the Doppler effect) which shows the speed with which the galaxy is moving away from us.The speed of a moving fluid can be measured by a propeller. An anemometer measures wind speed, and a velocimeter measures the speed of a stream.Then again, you might want to measure the download speed of your internet connection, or the velocity of circulation of money, or . . .
How does electro hydraulic governor functions?
governor has 3 modes of operation 1.SPEED CONTROL MODE-before sychronisation the governor runs in speed control mode.guide vanes open up and the turbine runs in the rated speed.when the governor gets connected to the grid that is when it gets synchronised then the speed control mode terminates. 2.OPENING MODE-load is increased in this mode and teh machine runs in the rated speed only. 3.POWER CONTROL MODE-it has two modes.joint controller and indivisual controller mode.in joint controller mode all the machine works all together and in the indivisual controller one setup point is given to the governor and the guide vanes vary accordingly
What is variable speed governor?
A variable speed governor is an engine part that works with the engine to govern speeds required within the engine. It serves to keep the engine at a steady speed as set by the operator of the vehicle.
What is scoop coupling?
Scoop coupling is nothing but a fluid coupling works based on the hydro dynamic principle. Scooping is the collecting the oil from the working chamber(space between pump wheel and turbine wheel) which will effects the transmission.
What is a motor design that works with either an AC source or a DC source?
A variable speed module in a motor can work with ac or dc source
What is the single variable?
single variable is a that variable which works witout the interaction of other.it does not concern with any other variable
Differentiate between applet application and standalone application?
An applet runs in a browser; a standalone application works like a traditional application, which you launch directly from your operating system.An applet runs in a browser; a standalone application works like a traditional application, which you launch directly from your operating system.An applet runs in a browser; a standalone application works like a traditional application, which you launch directly from your operating system.An applet runs in a browser; a standalone application works like a traditional application, which you launch directly from your operating system.
The factor that affects how a system works?
Variable
Speed of DC Motor can be controlled by a frequency variable?
by using a frequency tuner in input we can change input frequency and in this way speed of dc motor will also vary. <<>> Varying the frequency (VFD) only works on AC motors.
What is session in aspnet?
session is a server variable. it works like the ordinary variable but it is stored on the server
. If an application works when the system is loaded in Safe Mode but does not work when Windows is loaded normally what can you assume?
If the application works in Safe Mode, then can assume the problem is not with the application, but with the operating system, device driver, or other applications that load at startup which are conflicting with the application.
If an application works when the system is loaded in Safe Mode but does not work when Windows is loaded normally what can you assume?
If the application works in Safe Mode, then can assume the problem is not with the application, but with the operating system, device driver, or other applications that load at startup which are conflicting with the application.
How veriable frequency drives works?
Variable frequency drives (VFDs) control the speed and torque of an electric motor by adjusting the frequency and voltage of the power supplied to the motor. They convert incoming AC power to DC, then back to AC at a variable frequency and voltage. This allows for precise control over the motor's speed and power consumption, leading to energy efficiency and optimized motor performance.
How variable speed generator works and its specification?
First you have to understand how a generator works. Basically the excitation voltage is what varies according to generator output. Usually on a power source that has a inconsistant rpm, the excitation voltage will vary similar to a govenor in order to hold the generator output constant.
