অপটিক্যাল ফাইবার এর সবচেয়ে ভেতরের অংশ কোনটি?
The specific retention is least in case of
An R.C.C. lintel is spanning an opening of 2m span in a brick wall. The height of the roof is 2.9m above the floor level and that of the opening is 2.1 m above the floor level. The lintel is to be designed for self weight plus
Choose the correct relationship
A pressure of 25 m of head of water is equal to
The maximum ratio of span to depth of a slab simply supported and spanning in one direction, is