Comprehensive MCQs in physics

Comprehensive MCQs in physics on  Incompressible Flow in Duct in Aerodynamics.
which of the following are the flows in which all flow parameters are the function of ‘x’ ________
(A). 3D flow
(B). 2D flow
(C). Quasi 1D flow
(D). Quasi 2D flow
(E). None of these
MCQ Answer: c

---

The density is ________ in incompressible flow
(A). 0
(B). constant
(C). varies from point to point
(D). negligible
(E). None of these
MCQ Answer: b

---

What is it called when the area is minimum in a section, in a wind tunnel?
(A). exit
(B). nozzle
(C). inlet
(D). throat
(E). None of these
MCQ Answer: d

---

What is the pressure at the throat in a venturi duct?
(A). lower than ambient pressure
(B). equal to ambient pressure
(C). greater than ambient pressure
(D). 0
(E). None of these
MCQ Answer: a

---

In an automobile engine, the carburetor makes use of ___
(A). venturi duct
(B). convergent duct
(C). divergent duct
(D). wind tunnel
(E). None of these
MCQ Answer: a

---

By using venturi which parameter can be measured?
(A). temperature
(B). velocity
(C). volume
(D). density
(E). None of these
MCQ Answer: a

---

The incompressible flow application in a duct is?
(A). High-speed wind tunnel
(B). Low-speed wind tunnel
(C). Flow in air
(D). Cannot be said
(E). None of these
MCQ Answer: b

---

Venturi duct is same as the open-circuit wind tunnel ____
(A). True
(B). False
(E). None of these
MCQ Answer: a

---

what is that section called where the area further decreases from A2 to A3 Inside a wind tunnel?
(A). Converging section
(B). Divergent section
(C). Throat section
(D). Nozzle
(E). None of these
MCQ Answer: b