Fluid Mechanics Mcqs

Q.  Centre of buoyancy always_________________?

a. coincides with the centre of gravity
b. coincides with the centroid of the volume of fluid displaced
c. remains above the centre of gravity
d. remains below the centre of gravity


ANSWER: See Answer
 
No explanation is available for this question!
TasDia Network - Mcqs | Signature | Lyrics
MCQs:  The shear stress distribution for a fluid flowing in between the parallel plates, both at rest, is_______________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The boundary layer thickness in turbulent flow varies as______________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Ay between two stream lines represents________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Stanton diagram is a______________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  When an ideal fluid flows past a sphere________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  In which of the following the friction drag is generally larger than pressure drag?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The value of friction factor ‘f’ for smooth pipes for Reynolds number 106 is approximately equal to________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Separation of flow occurs when_________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The distance from pipe boundary, at which the turbulent shear stress is one-third die wall shear stress, is_______________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The Prartdtl mixing length is_________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  A fluid of kinematic viscosity 0.4 cm2/sec flows through a 8 cm diameter pipe. The maximum velocity for laminar flow will be__________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The wake_______________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The hydraulic grade line is_________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  If a sphere of diameter 1 cm falls in castor oil of kinematic viscosity 10 stokes, with a terminal velocity of 1.5 cm/sec, the coefficient of drag on the sphere is________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  In series-pipe problems_______________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  A valve is suddenly closed in a water main in wl.ich the velocity is 1 m/sec and velocity of pressure wave is 981 m/ sec. The inertia head at the valve will be________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  When time of closure tc = L/v0 (where L is length of pipe and v0 is speed of pressure wavE., the portion of pipe length subjected to maximum head is__________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The length of a pipe is 1 km and its diameter is 20 cm. If the diameter of an equivalent pipe is 40 cm, then its length is_____________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Two pipes of same length and diameters d and 2d respectively are connected in series. The diameter of an equivalent pipe of same length is________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The boundary layer thickness at a distance of l m from the leading edge of a flat plate, kept at zero angle of incidence to the flow direction, is O.l cm. The velocity outside the boundary layer is 25 ml sec. The boundary layer thickness at a distance of 4 m is__________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts