why do thameslink trains make noise?
446278
The warbling noise I thought was an attempt to ensure compliance with signaling interference issues by ensuring that no particular frequency was being omitted long enough to cause EM interference issues whilst still being an appropriate frequency to drive the train at a particular speed.
150356
Some portable systems equipped with solid state drives (SSD) emit an audible squeal when the system is idle or under light use. This is normal behavior. ... In certain situations, a high-frequency buzzing noise can be heard from the system.
1129103
["Continuous noise. Continuous noise is exactly what it says on the tin: it's noise that is produced continuously, for example, by machinery that keeps running without interruption. ... ", 'Intermittent noise. ... ', 'Impulsive noise. ... ', 'Low-frequency noise.']
393929
A washing machine making a loud noise when spinning means a part has become worn out or loose. The issue that is causing the loud noise could be a number of different parts inside your washer. If the loud noise only happens when the washer is in spin mode, this can be a sign that the main tub bearing is worn out.
1132729
Dust, sand, other intruders can get into the brakes, causing brake noise. Weather, especially cold weather, can cause brakes to squeal. Snow, rain, or high water can cause a superficial layer of rust that will go away after braking a few times.
767957
The beeping noise is normal because you're using it on your phone line. Same as when you are dialing a number when you do a normal phone call to a friend.
1299602
The reason for this is the development of limescale inside the boiler that has created a layer between the heat exchanger (the part the gas jets heat up to send heat into the tank) and the water. The layer of water boils up through the scale and creates these noises.
1427941
First Capital Connect Thameslink route services are largely unaffected by Thameslink engineering work this year with the exception of one slight alteration on Sunday, 30 December. There will be a complete shutdown on Christmas Day and Boxing Day which is usual.
998836
They are afraid of loud noises. So you could yell. Or get some noisemakers. If you are hiking and they show up, you are in danger.
1398136
Yes they are noisy during rain and then there is sometimes hail. In my opinion skylights rate very high among the top ten most idiotic things that can be incorporated into a house and I had the pleasure of pitching mine in the dumpster during the last roof job.
518957
You are unlikely to run in to an issue. It does increase noise on the line, but if you are well within spec on the run (IE less than 100 meters) and don't have any major noise generators in the frequency range that ethernet operates at, it should be no issues at all. IE don't worry about it.
154497
If your pipes are making a squeaking sound when you turn on the water, it's probably the pipe coming from your hot water heater. This sound is happening because the pipe is expanding due to the heat of the water running through it.
1114266
Most Thameslink trains have First Class seats There are First Class train ticket options for most of our daily ticket types and Travelcards. You can even upgrade the way to travel on a season ticket.
1353694
On occasion, a build-up of dirt, dust or earwax can interfere with the sensors in the unit, and can lower the sound as it thinks it is out of place or obstructed. In the original packaging of your headphones, below the foam insert, there will be a few small cardboard boxes.
8425
Your engine belts make a screech or squeal noise usually because the rubber belt is slipping on the metal pulley and just like your tires spinning on the road, this causes noise. The belt may be slipping due to improper tension or because it simply has gotten old and the surface has become glazed, cracked or brittle.
810151
The “chirping” you may be hearing is probably an alarm call; it may be made by a cardinal. They will make these noises at night when they've been disrupted/disturbed, which could be for a multitude of reasons, mostly due to some sort of perceived threat or intruder.
777352
Isuzu is making efforts to reduce the NVH to the level of gasoline engines by making full use of the latest technology. ... The maximum cylinder pressure in diesel engine is considerably high and the pressure rise during combustion is very rapid, causing the engine vibration and noise.