measurements relating to the performance of different Mitzvot
6
votes
1answer
129 views
What height porch requires a railing?
What are the different opinions of heights (in American or metric units) that requires a railing for the side of a porch?
5
votes
2answers
167 views
How many T'fachim make up an Ama?
Is it possible to convert between Torah measurements?
Specifically, T'fachim & Amot, (cubits) so I can figure out the size of the luchot (tablets) within the Aron Hakodesh (ark). (The Luchot are ...
8
votes
3answers
123 views
What is the Minimum Width of Tefillin Straps?
What is the minimum width of tefillin straps?
For example: if one's tefillin straps partially tore, how much is required to remain for the tefillin to remain Kosher?
5
votes
2answers
105 views
Why is the right strap longer than the left strap by the Tefilin Shel Rosh?
What is the reason that the right strap is longer than the left strap by the Tefilin Shel Rosh?
5
votes
2answers
84 views
What is the proper length of the Tefilin Shel Rosh straps?
How long are the Tefilin Shel Rosh straps supposed to be? What is the minimum Shiur and what is the maximum?
5
votes
5answers
134 views
How was flour measured in the bes hamikdash?
Modern cooks will tell you that the way to measure flour is to scoop flour with a scoop whose volume is known, and then to shave any excess off the top. (However, liquids are measured by pouring into ...
12
votes
4answers
797 views
Is a rare steak kosher?
If you have a steak medium to rare, such that it's still pink in the middle, is it kosher? At what point is meat cooked enough?
6
votes
5answers
234 views
K'zayis as a weight measurement
The label of the one-pound box of Cohen Halperin Shmura Matza reads:
משקל כל מצה כשיעור כזית
In English (with some Hebrew thrown in, in transliteration, of necessity), that's:
The weight of ...
14
votes
2answers
115 views
Hagalah in Denver?
In high-altitude cities, water boils at a lower temperature than the standard 212 degrees Farenheit. For example, in Denver the boiling point is about 203 degrees. Can one kasher utensils with hagalah ...
8
votes
2answers
70 views
Why 30 days of preparation for a חג
Why exactly 30 days to review the laws of the upcoming holidays? Is there anything about the number 30 that makes it significant?
2
votes
1answer
43 views
Ad Dlo Yoda measurments
What are the many Halachic options of doing the Mitzvah of drinking on Purim please quote sources? Meaning what are the diffrent the definitions of ad Dlo Yoda?
3
votes
1answer
77 views
How big was a traditional hamentash?
When shopping these days, it appears that a "normal hamentash" is about 2 inches or more per side, and "mini hamentashen" are about 1" per side. Is it just me, or did it used to be that the 1" ones ...
4
votes
2answers
119 views
Measurements used in Halacha
What is the underlying argument between the Chazon Ish and Rabbi Chaim Naaeh and Reb Moshe Feinstein? I know they argue in amounts, but what is the underlying argument? How did each get the ...
7
votes
3answers
569 views
4
votes
0answers
146 views
Using Liquor for Kiddush [duplicate]
Possible Duplicate:
Minimum Shi'ur for Kiddush on liquor
Are you allowed to use other alcohols outside of wine for kiddush and how much must be used? really what i don't understand is ...
4
votes
2answers
386 views
3
votes
2answers
83 views
How to measure Menorah height
A menorah should preferably be within 10 tefachim from the ground (though higher than 3 tefachim). Are these ten tefachim measured to the base of the menorah, or to its top, or to the actual level of ...
11
votes
3answers
454 views
Why do we say “You should live till 120”?
Prior to the Mabul people lived for hundreds of years. After the Mabul lifespans shortened although we see that the Avos lived in the 180 year range. In the Pasuk in Tehilim we say Yemei Shenoseinu ...
5
votes
2answers
242 views
Is human blood treif?
OK, I know it isn't kosher, but what is the shiur? And do we hold "chetzi shiur assur min haTorah"?
For an application, what if you get a cut while hiking in the woods; is it assur to clean the wound ...
3
votes
2answers
113 views
1
vote
2answers
102 views
Shalom alecha rebbi (u'mori)
What is the significance of the time it takes to say Shalom Alecha Rebbi (U'mori)?
