Wudhu

Q: In wudhu, masah of quarter of the head is fardh. How do you determine or how do you measure quarter of the head? Please give easy explanation in detail so that I can explain to the children?

Q:

1. Is it permissible to do tayammum for salah after having cataract surgery, the doctor has advised to avoid water?

2. What is the method of doing tayammum?

3. Is it permissible to do tayammum on a roof slate or roof tile?

Q: I would like to know the masnoon way of doing miswaak. Should it be right to left in one go which would be the "length" of the mouth and the "breadth" of the teeth or is it to be done in an up down motion on each tooth starting with the tooth on top on the right which would then be the "length" of the teeth and the "breadth" of the mouth?

Q: I wanted to know the sunnah method of khilaal of the fingers. Should one place the fingers of the left hand in the right hand only or vice-versa as well?

Q: If one breaks wind during performance of wudhu , what would be its effect on wudhu?

Q: If the blood does not flow beyond the wound but if I touch the blood with my finger and the blood is on my finger. Does my wudhu break?

Q: If one tries to control his fart and no feeling of gas being passed is felt but is relieved of the feeling for sometime. Will he consider his wudhu to be broken?

Q: When I pee, after I rub or press my penis on to the toilet seat there is a light and/or heavy (sometimes) string of fluid I believe, does this break wudhu? Plus how to prevent it? What is it?

Q: A mufti recently said wadi breaks whudu which breaks Salaah. I didn't know this before and I performed Salaah in this state. So due to the fact I did not know, I won't have to redo the Salaah? Plus I forgot which Salaah it was.

Q: Does the wudhu of a diabetic break if he/she swabs the injection site (e.g abdomen, side of upper arm, front of thigh) with an alcohol pad and await awhile for it to dry prior to injecting himself/herself with insulin?