Signal diodes also have many uses in processing signals in electronic equipment; they are used to obtain the audio and video signals from transmitted radio frequency signals (demodulation) and can also be used to shape and modify AC signal waveforms (clipping, limiting and DC restoration).
What is acceptable air conditioner outlet temperature? I have a 1996 Nissan Maxima. It was about 95 degrees today (measured with my own thermometer not what the weather report says), and my air conditioner outlet temperature was reading about 50 degrees. that would be temperature differential of about 45 degrees. I had the fan on second lowest out of 4 settings and on recirculation.
Reality Check: How long should you warm up your car? WATCH ABOVE: Warming up your car for sometimes 10 or 15 minutes on a winter day is a cold weather norm in these parts. So, what if we told you that doing so for just 30 seconds is often all your car needs? Margeaux Morin reports.