MCAT Physics MCQs

1. : When the flow parameters change from one point to the other point in a flow, it is said _____

(A) uniform flow

(B) non-uniform flow

(C) steady flow

(D) linear flow

2. : The two pathlines ______

(A) intersect each other

(B) cannot intersect each other

(C) can meet at infinity

(D) cannot meet ever

3. : Let consider a fixed point in a flow. What is the locus of all the points passed through this fixed point called?

(A) stream-line

(B) pathline

(C) streak lines

(D) stream tubes

4. : With respect to time, the flow in which the parameters do not change is known as ___

(A) unsteady flow

(B) transient flow

(C) steady uniform flow

(D) continuous flow

5. : The example of ____ is a tapering pipe.

(A) steady uniform flow

(B) steady non-uniform flow

(C) unsteady uniform flow

(D) unsteady non-uniform flow

6. : Streamlines and pathlines are ______ in the steady flow.

(A) different

(B) same

(C) 0

(D) slightly similar

7. : Over a flat plate, consider a flow of uniform cross-section area, at a constant speed the flow moves. There is a disturbance in the flow due to a certain disturbance. In the given scenario, which statement is true?

(A) Even after the disturbance, the flow remains uniform

(B) Throughout the flow remains uniform

(C) The flow is first uniform and after disturbance undergoes non-uniformity

(D) The cross-section area will be changed by the disturbance