Related Questions

Navier-Stokes equation is useful in the analysis of __________ fluid flow problems.
A Non-viscous
B Viscous
C Turbulent
D Rotational
The Navier-Stokes equation deals with the law of conservation of
A Mass
B Energy
C Both A and B
D Momentum
Which of the fluid forces are not considered in the Reynold's equation of flow?
A Viscous forces
B Turbulent forces
C Pressure forces
D Compressibility forces
If the resultant of two equal forces has the same magnitude as either of the forces, then the angle between the two forces is
A 30°
B 60°
C 90°
D 120°
Forces acting on a particle settling in fluid are __________ forces.
A Gravitational & buoyant
B Centrifugal & drag
C Gravitational or centrifugal buoyant drag
D External, drag & viscous
When the load on the engine increases, it becomes necessary to increase the supply of working fluid and when the load decreases, less working fluid is required. The supply of the working fluid to the engine is controlled by a
A D-slide valve
B governor
C Meyer’s expansion valve
D flywheel
If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be
A Higher than the surface of liquid
B The same as the surface of liquid
C Lower than the surface of liquid
D Unpredictable
In which type of fluid flow, the velocity of flow of fluid changes from point to point in the fluid at any instant?
A Rotational
B Unsteady
C Turbulent
D Non-uniform
Two forces of magnitude 3m and 2m respectively have a resultant R. if the first force is doubled, the magnitude of the resultant is doubled.Find the angle betuween forces?
A 90°
B 120°
C 135°
D 145°
3N ও 2N মানের দুইটি বলের লদ্ধি R । প্রথম বলের মান দ্বিগুণ করলে লদ্ধির মানও দ্বিগুণ হয়। বলদ্বয়ের মধ্যবর্তী কোণের মান হবে- (The resultant of two forces 3N and 2N is R. If the first force is doubled then the resultant is also doubled. The angle between the forces is-)
A 30°
B 45°
C 65°
D 120°

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