Question

The specific weight of water in M system is taken as -

1. 1 gram/cm3
2. 1000 liter/m3
3. 1000 kg/m3
4. All the above

Answer 1

Correct Answer - Option 3 : 1000 kg/m3

Explanation:

Specific weight of a fluid is the weight it possesses per unit volume. It is denoted by γ and is given by 

γ = ρ g

• Kilogram or gram are the units for both mass and weight in a metric or m system. 
• The specific weight of water at 20°C is 1000 kg/m3 in M system and 62.4 lb/ft³ in the E system.