I live in an apartment that has electrical smoke detectors hard wired into all the units and have lived here for about 4 yrs and recently have noticed that my smoke detectors keep going off for no rsn whatsoever, they are not battery operated they just go off the other day went off at 2 am scared me to death! What could it be im clueless help! so far i have disconnected them which is not safe but i dont want to keep getting scared, also i have dusted them and checked for spiders they are ok just going off for no rsn.
While I was in Canada about 15 years ago. I was also nervous to start the heating system. However, there was no alternative except to turn on since it was cold November night. In Nepal, there was and is no central heating system. So. I was exited to enjoy the central heating system. But on the other side, I was bit worried whether the system was ok or not. After turning on the system, I noticed that the system was perfectly alright.
His hand would have frozen solid after his blood boiled away! When you have an absolute vacuum you have intense suction. It doesn't take long for the tiny amount of atmosphere inside a persons suit to be released to the outside when exposed to absolute vacuum! One pilot had a faulty glove in a high altitude test and he had severe injuries to his hand before they could get him back on the ground!
Try looking into a unit operations book for chemical engineers. I know that it outlines the use of the Bernoulli's equation and different friction factors for different types of pipes and valves and fittings.
*/pdf/533.pdf *use CAM/CAM simulation.
