When you hum you blow out air to make the noise, but if you plug your nose, no air comes out and you cannot hum. It is possible to hum for a short time with your nose plugged, but you will be unable to do so for very long or at any volume.
Power lines hum due to the vibration of the electrical current running through them, which creates a magnetic field that causes the wires to vibrate and produce a low-frequency sound.
The energy used for a plug that is plugged in depends on the device that is connected to it. The common types of energy sources for devices plugged into an outlet include electrical energy for charging electronic devices or appliances, or thermal energy for devices like heaters or stoves.
The sound of a fan running is typically a steady hum or whirring noise.
Electric motors produce a humming sound due to the vibrations created by the movement of the rotor. These vibrations can resonate through the motor housing and produce the audible hum. The frequency and intensity of the hum can vary depending on the design and components of the motor.
Fluorescent lights may hum due to the vibration of the internal components, such as the ballast or the bulbs. Flickering can be caused by a faulty starter or ballast, inadequate power supply, or aging bulbs. Regular maintenance and replacing faulty parts can help reduce these issues.
You can't hum when your nose is pinched because when you hum, air comes out of your nose, so when your nose is pinched, no air comes out. But you can hum with your nose pinched and your mouth open, it sounds a little different but it is similar to humming.
Nothing.
It blocks the air ways.
With your voice and out your nose. It is like singing, but it is usually done with the mouth closed.
no your heart beat is the same
you cant move concordes nose but you can turn the entire plane etc. but concordes nose cant move
hold nose with fingers, and blow out nose with it plugged. or just try and yawn
humming is the sound of your vocal cords vibrating with your mouth closed. the air goes out through your nose. try pinching your nose when humming-
Plugged fuel filter, bad fuel pump, crimped, or plugged fuel line.
look in a mirrior or if you really have to ask for help
you cant
Your nasal passages are inflamed and swollen - that is why it's hard to breath. Decongestants will alleviate the swelling somewhat.