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What is better shannon fano and huffman coding?

huffman has a better compression rate.


What is the maximum data rate of an analog circuit with a 10MHz bandwidth using 64-QAM and V44?

The maximum data rate of an analog circuit can be estimated using the Shannon-Hartley theorem. For a bandwidth of 10 MHz and using 64-QAM, which has a modulation efficiency of 6 bits per symbol (since 64-QAM can represent 64 different symbols), the theoretical maximum data rate would be approximately ( R = B \cdot \log_2(M) ), where ( B ) is the bandwidth and ( M ) is the number of symbols. Thus, ( R = 10 \text{ MHz} \cdot 6 \text{ bits/symbol} = 60 \text{ Mbps} ). The V.44 compression standard may further enhance effective data rates, but the basic maximum rate without considering compression remains 60 Mbps.


What is thrust for a jet engine?

The thrust of a Jet engine is calculated through the formula: F=(m_air+m_fuel)*v_e - m_air*v Where m_air is the mass flow rate of air entering into the engine m_fuel is the mass flow rate of fuel entering the combustion chamber v_e is the exit velocity of the exhaust gases (where v_e needs to be subsonic) v is the velocity of air entering the engine As you can see the thrust is reduced by the term m_air*v which physically has the significance of a drag at the intake of the engine. That's why rocket engine give usually a better thrust. Since they carry the oxidizer on-board that term doesn't exist for a rocket engine. I will let you think about the parameters you can play with to design an engine with as highest thrust as possible for a given (fixed fuel consumption). hint:v_e is influenced by things like combustion temperature, combustion pressure etc... Hope this helps!


How is the data rate for PCM digital voice signals 64 Kbps calculated?

The data rate for Pulse Code Modulation (PCM) digital voice signals is calculated using the formula: Data Rate = Sampling Rate × Bits per Sample. For standard voice applications, the sampling rate is typically 8 kHz (samples per second), and each sample is represented by 8 bits (1 byte). Thus, the calculation is 8,000 samples/second × 8 bits/sample = 64,000 bits per second, or 64 Kbps. This rate is sufficient to capture the frequency range of human speech effectively.


What pumps are used in petrol pumps?

Gear Pump.Additional answerI very much doubt if gear pumps are used in any petrol car because of the lack of lubrication. Much more likely is a diaphragm pump, which is certainly used on a lot of cars.

Related Questions

What is the major difference between a petrol car and a diesel one?

The primary difference between a petrol car and diesel car is the consumption rate - diesel and petrol are refined from mineral oil using differing methods. The result is diesel engines having a lower fuel consumption rate than their petrol counterparts when installed in a vehicle of similar mass. CO2 emissions are also lower in a diesel engine than they are in a petrol engine.


Which is rated better diesel or petrol engine?

Each engine is rated better for different things. A petrol engine generally has a higher horsepower than a diesel engine, so acceleration and speed is often better on a petrol engine. Diesel engines tend to rate better with torque, so they are better at pulling heavy loads, which is why diesel engines are used in trucks and locomotives.


What is the average rate of fuel consumption of a 140cc petrol engine?

For small motor bike or lawn-mower or similar.


What mileage rate is paid by HM Revenue and Customs?

HM Revenue and Customs fuel mileage rate is determined by the car engine size. These are the cheapest rates if the engine is 1400cc or less than that: 15p is the rate for Petrol (Gasoline) and 10p for LPG (Liquified Petroleum Gas). The highest rates for engines over 2000cc are 25p for Petrol and 18p for LPG.


What 79 percent sp means when it appears on the screen of a standalone digital video recorder?

You have used 79% of a disc running at Standard Speed. (Standard quality compression rate).


Why petrol engines are more powerful than diesel engines?

There not, or might not be! Factors, SIZE, WEIGHT TO HP, COMPRESSION IGNITION, SAFETY, COMBUSTION TEMP., THERMAL ENERGY RELEASE RATE.


Why is the compression ratio of an SI engne often reduced when the engine is redesigned to be used with a turbocharger?

SI engines have high compression rates because it's a Non-Aspirated engine (NA) meaning it's all motor and no turbos. As an NA engine, it doesn't get additional power from anything but from the engine alone, so it requires high compression rates to maximize its torque and horsepower. On the other hand, SI engines should be tuned to lower compression rates before installing turbo chargers because Turbo chargers, when installed, significantly increases engine pressure to provide the needed power to force compressed cold air into the engine. Since an SI engine has a high compression rate, any significant increase on its compression after installing turbos may cause the engine to malfunction or worse, breakdown as the SI engine can only hold as much pressure at every given revolution rate (rpm) while running.


What is the petrol rate in Goa?

80


Why is petrol rate costlier than diesel?

Diesel and petrol engines work differently. Diesel engines use compression to ignite the air/fuel mixture, and have a much higher compression ratio than petrol engines, which use spark ignition. The conditions for ignition are not met when petrol is put into a diesel engine, and will stall.


Is petrol sustainable?

At its present rate of use it is not.


Does the changing of petrol price affect the rate of inflation?

The changing of petrol price affects the rate of inflation. When petrol price increases, it follows that the cost of production and transportation of most goods also increase.


What is the rate of petrol at Bangalore during December 2008?

In Bangalore the petrol rate was 59 Rupees from 2-Jul-08 to 2-Jul-09