# Physics Conceptual MCQs

By: Prof. Fazal Rehman Shamil

Solved Conceptual  MCQs of Three Dimensional Source and Three Dimensional Doublet in Aerodynamics Physics.

## Three Dimensional Source MCQs

A method used for simulating incompressible potential flows Is a three-dimensional source.

(A). True

(B). False

(C). Partially True

By a wake vortex accompanied, three-dimensional incompressible potential flows around a body.

(A). False

(B). True

(C). Partially True

In the case of blunt bodies, the Kutta condition is inapplicable.

(A). False

(B). True

(C). Partially True

To the lifting cases, the Kutta condition is applicable.

(A). True

(B). False

(C). Partially True

The current and potential sources are defined at every node.

(A). True

(B). False

(C). Partially True

Resistivity calculates the impedance.

(A). True

(B). False

(C). Partially True

Inviscid, irrotational flow is considered by three dimensional aerodynamic.

(A). True

(B). False

(C). Partially True

Three dimensional uses the source?

(A). True

(B). False

(C). Partially True

By solving a set of simultaneous equations velocity potential is obtained.

(A). True

(B). False

(C). Partially True

Around the three-dimensional flow, a wake vortex will be produced.

(A). True

(B). False

(C). Partially True

## Three Dimensional Doublet

The sink and source are equal.

(A). True

(B). False

(C). Partially True

Sink and source strength becomes infinite.

(A). False

(B). True

(C). Partially True

The strength of the doublet is defined by three-dimensional doublet.

(A). False

(B). True

(C). Partially True

Inverse squared variations lead by the three-dimensional effect.

(A). True

(B). False

(C). Partially True

Series of stream surfaces is the flow induced by three-dimensional doublet.

(A). True

(B). False

(C). Partially True

The flow is called axisymmetric flow?

(A). True

(B). False

(C). Partially True

Axisymmetric flow is labeled as two-dimensional flow sometimes.

(A). True

(B). False

(C). Partially True

The axisymmetric has two independent variables.

(A). True

(B). False

(C). Partially True

sink and source are the combinations of the doublet.

(A). True

(B). False

(C). Partially True