127. 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 the fluid vertically above the body
D.Displaced volume of the fluid

---

128. Resultant pressure of the liquid in the case of an immersed body acts through
A.Centre of gravity
B.Centre of pressure
C.Metacentre
D.Centre of buoyancy

---

129. The centre of gravity of the volume of the liquid displaced by an immersed body is called
A.Centre of gravity
B.Centre of pressure
C.Metacentre
D.Centre of buoyancy

---

130. Differential monometer is used to measure
A.Pressure in pipes, channels etc.
B.Atmospheric pressure
C.Very low pressure
D.Difference of pressure between two points

---

131. The time oscillation of a floating body with increase in metacentric height will be
A.Same
B.Higher
C.Lower
D.Lower/higher depending on weight of body

---

132. In an immersed body, centre of pressure is
A.At the centre of gravity
B.Above the centre of gravity
C.Below be centre of gravity
D.Could be above or below c.g. depending on density of body and liquid

---

133. The normal stress is same in all directions at a point in a fluid
A.Only when the fluid is frictionless
B.Only when the fluid is incompressible and has zero viscosity
C.When there is no motion of one fluid layer relative to an adjacent layer
D.Irrespective of the motion of one fluid layer relative to an adjacent layer

---