Yes you can use Teflon tape or TFE paste. For best results hold tape in left hand and turn male fitting to the right being careful not to let any overhang in the opening so that it may come loose and cause problems further down the system.
Yes, otherwise you will have leaks
yes,as you do in case of joints in ro plants.
Lead wipe a brass nipple into the lead pipe and then use a female adapter x PVC on the brass threads
Yes
Since water can leak through the smallest cracks and holes, applying a clockwise layer or two of teflon tape to the threads of a plumbing connection can help prevent water leakage.
No, do not use glue. Use teflon tape or pipe dope on the threads. You should also make sure you always put the male PVC thread into the female metal thread. If you do it the other way you will tend to split the PVC fitting when you tighten the threads.
No. Use teflon tape instead. PVC will melt or burn depending on the temperature
Teflon tape is a colloquial name to a form of tape that is regularly used in plumbing. Its most frequent use is to seal the threads on lengths of pipework.
Yes, otherwise you will have leaks
yes,as you do in case of joints in ro plants.
If you are screwing in -- yes -- If not -- you do not use pipe dope
Use teflon tape with a little pipe dope. If you don't ever have to take apart again then you can use glue which you are calling cement
Examples are: polythene, Teflon, polycarbonate, polystyrene, polysulfide, PVC etc.
Lead wipe a brass nipple into the lead pipe and then use a female adapter x PVC on the brass threads
Yes
Teflon tape only, no joint compound. Two or three wraps is plenty... Yes agreed, teflon tape will make it easier for repairs in the future
Install sealtite connector and use PVC FA connector -- threads on one end and coupling on other end to glue to pipe.