Consider the following statements regarding Bernoulli’s theorem for fluid flow:
1. Conservation of energy
2. Steady flow
3. Viscous flow
4. Incompressible flow
Which of the above statements is/are correct?
(A) 1, 2 and 4 only (B) 1 only
(C) 2, 3 and 4 only (D) 1, 2, 3 and 4