Top 150+ Solved Fluid Properties and Flow Characteristics MCQ Questions Answer
Q. According to equation of continuity,
a. w1a1 = w2a2
b. w1v1 = w2v2
c. a1v1 = a2v2
d. a1/v1 = a2/v2
Q. When a vertical wall is subjected to pressures due to liquid on both sides, the resultant pressureis the __________ of the two pressures.
a. Sum
b. Difference
c. Arithmetic mean
d. Geometric mean
Q. The mercury does not wet the glass. This is due to the property of the liquid known as
a. Cohesion
b. Adhesion
c. Viscosity
d. Surface tension
Q. When the pressure intensity at a point is more than the local atmospheric pressure, then thedifference of these two pressures is called
a. Gauge pressure
b. Absolute pressure
c. Positive gauge pressure
d. Vacuum pressure
Q. A pipe of length more than double the diameter of orifice fitted externally or internally to theorifice is called a
a. Notch
b. Weir
c. Mouthpiece
d. Nozzle
Q. An open tank containing liquid is moving with an acceleration on an inclined plane. Theinclination of the free surface of the liquid will be __________ to the acceleration of the tank.
a. Equal to
b. Directly proportional
c. Inversely proportional
d. None of these
Q. Falling drops of water become spheres due to the property of
a. Surface tension of water
b. Compressibility of water
c. Capillarity of water
d. Viscosity of water
Q. The length of the divergent cone in a Venturimeter is __________ that of the convergent cone.
a. Equal to
b. Double
c. Three to four times
d. Five to six times
Q. The stress-strain relation of the Newtonian fluid is
a. Linear
b. Parabolic
c. Hyperbolic
d. Inverse type
Q. The viscosity of a liquid __________ its rate of flow through a hole in a vessel.
a. Effects
b. Does not effect
c. Both A and B
d. None of these
Q. The units of dynamic or absolute viscosity are
a. Metres² per sec
b. kg sec/meter
c. Newton-sec per meter
d. Newton-sec² per meter