1. : Which of the following pressure is dynamic?
(A) 0.5?V²
(B) ? V²
(C) 3V²
(D) 5? V²
2. : On which equation of Bernoulli is applicable?
(A) Irrotational flow
(B) Viscous flow
(C) Inviscid, incompressible flow
(D) Compressible flow
3. : At which of the following matches the number, the equation of Bernoulli can be applied to compressible flow?
(A) Match number less than 1
(B) Match number equal to 1
(C) Higher match numbers
(D) Does not depend on the match number
4. : At stagnation point, which of the following is the coefficient of pressure?
(A) 0
(B) 0.5
(C) 1
(D) 2
5. : For an ideal gas, which of the following pressure can be given?
(A) pV=nRT
(B) p=RT
(C) pV=T
(D) p=VT
6. : On which principle do aircraft fly?
(A) Newton’s third law
(B) Conservation of mass
(C) Bernoulli’s principle
(D) Gravity
7. : From which of the following is Bernoulli’s principle derived?
(A) Conservation of mass
(B) Conservation of energy
(C) Newton’s law of motion
(D) Conservation of momentum
8. : When the fluid comes to rest, the point is called?
(A) Rest point
(B) Stagnation point
(C) Viscous point
(D) Boundary layer point
9. : Which of the following is incompressible flow, when the relation among velocity and pressure is in an inviscid, _______?
(A) p = constant
(B) p + 0.5?*V² = constant
(C) 0.5?*V² = 0
(D) p + 0.5?*V² = 0
10. : Which of the following is the sum of total pressure or the stagnation pressure?
(A) Kinetic and potential energy
(B) Static and dynamic pressure
(C) Kinetic energy + potential energy + gravity
(D) Cannot be determined