BRITA Water Filters and Water Purifiers Interview Questions and Answers

Specific gravity of water, reporting officer, FDD method, and required compaction of GSB by MORTH are discussed.

• Specific gravity of water is 1

• Reporting officer is usually the immediate supervisor or manager

• FDD (Falling Weight Deflectometer) method is used to measure pavement deflection

• MORTH (Ministry of Road Transport and Highways) requires a minimum of 98% compaction for GSB (Granular Sub-Base)

The minimum oxygen required in river water for survival of fish varies depending on the species and temperature.

• Different fish species have different oxygen requirements

• The temperature of the water also affects the oxygen level needed for survival

• Generally, a dissolved oxygen level of 5 mg/L is considered the minimum for most fish species

• However, some species like trout require higher levels of oxygen, around 6-8 mg/L

• Low oxygen levels can lead to fish kills and harm other aqu...read more

Specific gravity of water is 1.0.

• Specific gravity is the ratio of the density of a substance to the density of a reference substance.

• Water is often used as the reference substance for specific gravity calculations.

• The specific gravity of water is always 1.0 at standard temperature and pressure (STP).