**Bernoulli’s Equation Multiple Choice Questions**

**1. The dynamic pressure is given by ______**

a. 0.5ρ*V2

b. ρ* V2

c. 3*V2

d. 5ρ* V2

**2. The aircraft fly based on which principle _________**

a. Newton’s third law

b. Conservation of mass

c. Bernoulli’s principle

d. Gravity

**3. Bernoulli’s equation is applicable only for _______**

a. Irrotational flow

b. Viscous flow

c. Inviscid, incompressible flow

d. Compressible flow

**4. The point where the fluid comes to rest is called as ___________**

a. Rest point

b. Stagnation point

c. Viscous point

d. Boundary layer point

**5. Stagnation pressure or the total pressure is the sum of _________**

a. Kinetic and potential energy

b. Static and dynamic pressure

c. Kinetic energy +potential energy +gravity

d. Cannot be determined

**6. The coefficient of pressure at stagnation point is ___________**

a. 0

b. 0.5

c. 1

d. 2

**7. The relation between pressure and velocity in an inviscid, incompressible flow is given by __________**

a. p = constant

b. p + 0.5ρ*V2 = constant

c. 0.5ρ*V2 = 0

d. p + 0.5ρ*V2 = 0

**8. The pressure for an ideal gas can be given by ____________**

a. pV=nRT

b. p=RT

c. pV=T

d. p=VT

**9. Bernoulli’s equation can be directly applied to viscous flow.**

a. True

b. False

**10. Bernoulli’s equation can be applied to compressible flow at which of the following matches the number?**

a. mach number less than 1

b. mach number equal to 1

c. higher mach numbers

d. does not depends on mach number

**11. Bernoulli’s principle is derived from which of the following?**

a. Conservation of mass

b. Conservation of energy

c. Newton’s law of motion

d. Conservation of momentum

**12. An increase in the speed of the flow leads to an increase in kinetic energy and dynamic pressure.**

a. True

b. False