# Physics MCQs for entry test ECAT

**In an unbroken stream, the flow of jet of oil can be attributed?**

(A). Capillarity

(B). Surface tension

(C). Temperature

(D). Density

(E). None of these

MCQ Answer: b

**Newtonian’s fluid example is?**

(A). Water

(B). Plastic

(C). Colloids

(D). Gel

(E). None of these

MCQ Answer: a

**The point on the body where the resultant forces act is called enter of pressure.**

(A). True

(B). False

(E). None of these

MCQ Answer: a

**Due to which principle the aircraft flies in the atmosphere?**

(A). Archimedes principle

(B). Bernoulli’s principle

(C). Gravitational force

(D). Newton’s law of viscosity

(E). None of these

MCQ Answer: b

**What is V, In an equation? V=1/ v*D (v)/Dt ___**

(A). change in velocity

(B). divergence of velocity

(C). volume

(D). velocity as a function of time

(E). None of these

MCQ Answer: b

**Under which flow similarity, scale, volume, and length fall?**

(A). Geometric Similarity

(B). Kinematic Similarity

(C). Dynamic Similarity

(D). Dimensionless number

(E). None of these

MCQ Answer: a

**The shock wave is formed in?**

(A). subsonic flow

(B). transonic flow

(C). supersonic flow

(D). incompressible flow

(E). None of these

MCQ Answer: c

**For a fluid which of the following is a suitable flow model?**

(A). Finite control volume approach

(B). Infinitesimal fluid element approach

(C). Molecular approach

(D). All three models can be applied based on the requirement

(E). None of these

MCQ Answer: d

**Under which flow similarity, the force of inertia falls?**

(A). Geometric Similarity

(B). Kinematic Similarity

(C). Dynamic Similarity

(D). Dimensionless number

(E). None of these

MCQ Answer: c

**Which of the following is the ratio of Reynold’s number?**

(A). Inertia force to viscous force

(B). Viscous force to inertia force

(C). Inertia force to gravity force

(D). Pressure force to inertia force

(E). None of these

MCQ Answer: a

**Aerodynamics MCQs**

- Infinitesimal Fluid Element
- Kelvin’s Circulation Theorem and the Starting Vortex
- Laminar Flow MCQs
- Lifting Flow over Cylinder MCQs
- FRCR Physics MCQs
- Non-lifting Flow over Arbitrary Bodies MCQs
- Pathlines, Streamlines, Streaklines Physics MCQs
- Pitot Tube MCQs Physics
- Classical Lifting-Line Theory MCQs
- Doublet Flow MCQs
- Flow in Duct
- Continuity Equation MCQs
- Cambered Airfoil MCQs
- Kutta Condition MCQs
- Lifting Surface Theory MCQs
- Symmetric Airfoil MCQs
- The Vortex Filament, Biot-Savart Law, Helmholtz Theorem MCQs
- IAF Physics MCQs
- Viscous Flow MCQs
- Uniform and Turbulent Flow MCQs
- Three Dimensional Source and Three Dimensional Doublet MCQs
- Vortex Sheet MCQs
- Pressure Coefficient MCQs
- Source Flow MCQs
- Angular Velocity, Strain and Vorticity MCQs
- Bernoulli’s Equation MCQs
- MCQs on Circulation
- Finite Control Volume Approach MCQs
- Flow over Sphere MCQs
- Airfoil Characteristics MCQs
- Downwash and Induced Drag MCQs
- Aerodynamics MCQs
- Airfoil Nomenclature MCQs