# IAF Physics MCQs

Vortex Flow MCQs for IAF Physics.

Solved MCQs of Vortex Flow in Physics for IAF jobs.

On the X-axis the circles with their center are ________
(A). eccentric circles
(B). concentric circles
(C). potential lines
(D). equal circles
(E). None of these

______ is formed by the free vortex flow
(A). straight lines
(B). concentric circles
(C). parabola
(D). hyperbola
(E). None of these

Source flow and uniform flow combination gives flow past a _____
(A). Cylinder
(B). Half body

(C). Full body
(D). Wedge
(E). None of these

On the surface a body floats when _______
(A). Metacenter is above gravity
(B). Metacenter is below gravity
(C). Metacenter is equal to gravity
(D). Gravity is above the metacenter
(E). None of these

Vortex flow is ________ except at the origin where r=0.
(A). rotational
(B). laminar
(C). irrotational
(D). turbulent
(E). None of these

By using ______the center of pressure can be calculated.
(A). Principle of moments
(B). Principle of energy
(C). Mass conservation
(D). Rayleighâ€™s principle
(E). None of these

Vortex flowâ€™ strength can be given by _________
(A). G=2*pi*C
(B). G=2*pi
(C). G=-2*pi*C
(D). G=0
(E). None of these