# Doublet Flow MCQs Physics

Solved MCQs of   Doublet Flow in Physics.
Which of the following is the ratio of elastic force to inertia force ________
(A). Reynold’s number
(B). Froude number
(C). Weber number
(D). Mach number
(E). None of these

In human ears which of the following sound can be related to blast _____
(A). high-frequency sound
(B). low-frequency sound
(C). boom
(D). sonic boom
(E). None of these

what is the Chain of streamlines and equipotential lines? ________
(A). flow net
(B). constant flow
(C). equilibrium flow
(D). positive flow
(E). None of these

In an unbroken stream for the jet oil, which of the following is suitable?
(A). temperature
(B). surface tension
(C). capillarity
(D). vapour pressure
(E). None of these

Where is it stated when the velocity becomes zero at a point?
(A). slip condition
(B). no slip condition
(C). positive slip condition
(D). negative slip condition
(E). None of these

What is it called when both the sink and source are of equal strength?
(A). sink
(B). source
(C). doublet
(D). a positive derivative of the flow
(E). None of these

What is it called when equal to the weight of the body, the amount of fluid is displaced?
(A). metacentre
(B). buoyancy
(C). centre of buoyancy
(D). centre of gravity
(E). None of these

What is the ratio of density?
(A). mass to volume
(B). volume to mass
(C). mass to pressure
(D). pressure to volume
(E). None of these

Which of the following are viscosity’s units?
(A). N/m
(B). Ns/m2
(C). m/s
(D). Dimension less quantity
(E). None of these