Q.1) A U-tube manometer measures :
A) Local atmospheric pressure
B) Difference in pressure between two points
C) Difference in total energy between two points
D) Absolute pressure at a point
Option (B)
Q.2) The magnitude of the buoyant force can be determined by :
A) Newton’s law of viscosity
B) Archimede’s principle
C) Principles of moments
D) None of the above
Option (B)
Q.3) The characteristics of an ideal fluid is –
A) One which satisfies continuity equation
B) One which flows with least friction
C) One which obeys Newton’s law of viscosity
D) Frictionless and incompressible
Option (D)
Q.4) Capillary rise is a phenomenon that is attributed to the following property of fluid.
A) Vapour pressure
B) Viscosity
C) Density
D) Surface Tension
Option (D)
Q.5) For stability of floating bodies, the metacentre should be :
A) Above the centre of gravity
B) Below the centre of gravity
C) Above the centre of buoyancy
D) Below the centre of buoyancy
Option (A)
Q.6) The point in the immersed body through which the resultant pressure of the liquid may be taken to act is known as :
A) Metacentre
B) Centre of pressure
C) Centre of buoyancy
D) Centre of gravity
Option (B)
Q.7) Alcohol is used in manometer, because …………….
A) Its vapour pressure is low
B) It provides suitable meniscus
C) Its density is less
D) It provides longer length for a given pressure difference
Option (D)
Q.8) The property by which a liquid opposes relative motion between its different layers is called –
A) Surface Tension
B) Coefficient of Viscosity
C) Viscosity
D) Osmosis
Option (C)
Q.9) A fluid whose viscosity does not change with the rate of deformation or shear strain is known as –
A) Real fluid
B) Newtonian fluid
C) Ideal fluid
D) Non-Newtonian fluid
Option (B)
Q.10) The line of action of the buoyant force acts through the centroid of the –
A) Submerged body
B) Volume of the floating body
C) Volume of fluid vertically above the body
D) Displaced volume of the fluid
Option (D)
Q.11) The type of fluid in which flow and fluid properties does not change with time at any given location is known as –
A) Non-uniform flow
B) Rotational flow
C) Steady flow
D) Unsteady flow
Option (C)
Q.12) If the Reynold’s number for a flow is 3000, the type of flow is –
A) Laminar
B) Transitional
C) Turbulent
D) Vortex
Option (B)
Q.13) Which of the following is measured in the poise?
A) Dynamic Viscosity
B) Kinematic Viscosity
C) Velocity of flow
D) Discharge
Option (A)
Q.14) Venturimeter is used to –
A) Measure the velocity of a flowing liquid
B) Measure the pressure of a flowing liquid
C) Measure the discharge of liquid flowing through a pipe
D) Measure the pressure difference of liquid flowing between two points in a pipa line
Option (C)
Q.15) Speed of a submarine can be measured by –
A) Pitot tube
B) Hot wire anemometer
C) Pirani gauge
D) Inclined manometer
Option (B)
Q.16) Measurement of pressure difference between two points is generally done by using :
A) Venturimeter
B) Pitot tube
C) Differential manometer
D) None of the above
Option (C)
Q.17) On which principle of equation the continuity is based?
A) Conservation of energy
B) Conservation of mass
C) Conservation of momentum
D) All of the above
Option (B)
Q.18) Which of the following is measured with the help of an Orifice meter?
A) Discharge
B) Discharge coefficient
C) Head of water
D) Pressure coefficient
Option (A)
Q.19) In which of the following case flow net can not be drawn?
A) Irrotational flow
B) Steady flow
C) When flow is governed by gravity
D) When flow is not governed by gravity
Option (C)
Q.20) The minor loss due to sudden contraction is due to :
A) Flow contraction
B) Expansion of flow after sudden contraction
C) Cavitation
D) Boundary friction
Option (B)
