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Do you have to close basement windows if AC is not blowing into them?
Yes. Since cool air tends to concentrate at lower elevations, leaving basement windows open will result in considerable wasted electricity. While the AC may not be blowing into them, warmer air from outside will convect into the basement, mixing with the colder air and pushing colder air out.
Why is diesel is not used in petrol engines?
Because diesel is ignited of heat and high high compresion not a spark on lower compresion petrol engine. If you use diesel in a petrol you will end up with your engine knocking and pre-detonation followed by your engine blowing up pretty bad.
Why Fuel consumption varying when the generator load varies?
with decrease in fuel consumption the amount of steam produced is also reduced.Hence when lower quantity of steam passes through the turbine the torque generated is less and since generator and turbine are coupled on a single shaft the generator torque also decrease which reduces load.
What is bypass ratio of turbine?
The bypass ratio of a turbine, particularly in the context of turbofan engines, is the ratio of the mass of air that bypasses the engine core to the mass of air that passes through the engine core. A higher bypass ratio indicates that more air is bypassed, typically resulting in greater fuel efficiency and lower noise levels. Turbofans with high bypass ratios are commonly used in commercial aviation, while those with lower ratios are found in military and supersonic aircraft.
What is the anode and cathode of a lead storage battery?
Anode : The end which is at a lower negative potentialCathode: The end which is at a higher negative potentialAnswerThe cathode is the terminal towards which free electrons drift in a cell's external circuit. In other words, when the cell is discharging, it is the positive electrode.
Does the Doppler Effect explain why you hear a train whistle differently after it passes you than you do as it approaches you?
Yes, the Doppler Effect explains this phenomenon. As the train approaches, sound waves are compressed, leading to a higher frequency and a higher pitch. As the train passes, sound waves are stretched, resulting in a lower frequency and a lower pitch, which is why the whistle sounds different before and after the train passes.
What happens to the sound of a train whistle as a train approaches and passes you?
This is known as the Doppler effect. As the train approaches you, the wavelength of the sound waves it emits are compressed, and therefore the whistle sounds higher. When the train is moving away, the wavelengths are extended, causing the whistle to sound lower. If the train were not moving at all, the pitch you would hear from the whistle would be somewhere between the high and low pitches you hear when the train is moving.
What happens to sound of a train whistle as a train approaches and passes you?
This is known as the Doppler effect. As the train approaches you, the wavelength of the sound waves it emits are compressed, and therefore the whistle sounds higher. When the train is moving away, the wavelengths are extended, causing the whistle to sound lower. If the train were not moving at all, the pitch you would hear from the whistle would be somewhere between the high and low pitches you hear when the train is moving.
What happens to the sound of a train whistle as the train approaches and then passes?
This is known as the Doppler effect. As the train approaches you, the wavelength of the sound waves it emits are compressed, and therefore the whistle sounds higher. When the train is moving away, the wavelengths are extended, causing the whistle to sound lower. If the train were not moving at all, the pitch you would hear from the whistle would be somewhere between the high and low pitches you hear when the train is moving.Read more: http://wiki.answers.com/Why_is_the_pitch_of_a_train's_whistle_higher_as_the_train_approaches_and_loweras_it_moves_away#ixzz1DToTuS3j
How will light be refracted if it passes from glass to water?
The light will be refracted towards the normal when it passes from glass to water, as water has a lower refractive index than glass. This means the light ray will bend towards the line that is perpendicular to the surface at the point of incidence.
How does a slide whistle work?
A slide whistle is musical wind instrument containing either a metal or plastic reed inside with a plug at the end. As the reed moves up, along with someone blowing into it, the higher the note will be. If it moves down the lower the note will be this is because of the compression of the plug causing low space to create higher frequencies and more space to create low frequencies.
What is the difference between a flute and a whistle?
A whistle is held lengthwise in front of you face, and has a high sharp sound. A flute is held horizontally to the right, and can play lower notes.
How do you do a mocking jay whistle?
There are 4 notes to it. It goes high,higher,lower, very low
What causes the change in pitch of an approaching train whistle?
The change in pitch of an approaching train whistle is due to the Doppler effect. As the train moves towards the observer, the sound waves are compressed, leading to a higher frequency and thus a higher pitch. Similarly, as the train moves away, the sound waves are stretched, resulting in a lower frequency and a lower pitch.
Which way does water move once it passes threw the zone of saturation?
Once water passes through the zone of saturation, it moves vertically upwards due to capillary action, or horizontally towards lower elevations due to gravity. The direction of flow will be influenced by factors such as soil permeability and topography.
Why does a whistle makes a high sound?
A whistle makes a high sound because of the short length of the whistle's tube, which amplifies high-frequency sounds. When air is blown into the whistle and vibrates at a high frequency, it produces a high-pitched sound.
What is the change in a pitch of a sound when it move towards or a away from you?
When a sound source moves towards you, the pitch will increase (higher frequency) due to a Doppler shift. Conversely, when a sound source moves away from you, the pitch will decrease (lower frequency). This phenomenon is commonly experienced in everyday situations, such as when a vehicle passes by.
