1. alkalinity

2. acidity

3. bad taste

4. colour

1. Stagnation point এর বেগ

2. Stagnation pressure

3. Static Pressure

4. Dynamic pressure

1. 1 in ।

2. 50%

3. 1%

4. 1 in 50

1. m^3

2. m^2

3. m

4. কোনােটিই নয়

1. Beam footing

2. Combined footing

3. Strap footing

4. Mat footing