92. Dynamic viscosity of most of the gases with rise in temperature
A.Increases
B.(c) remains unaffected
C.(d) unpredictable (e) none of the abre.
D.8.123. Euler's dimensionless number relates the following

---

93. Euler's dimensionless number relates the following
A.Inertial force and gravity
B.Viscous force and inertial force
C.Viscous force and buoyancy force
D.Pressure force 'and inertial force

---

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

---

95. Which of the following manometer has highest sensitivity
A.U-tube with water
B.Inclined U-tube
C.U-tube with mercury
D.Micro-manometer with water

---

96. Working principle of dead weight pressure gauge tester is based on
A.Pascal's law
B.Dalton's law of partial pressure
C.Newton's law of viscosity
D.Avogadro's hypothesis

---

97. The resultant of all normal pressures acts
A.At c.g. of body
B.At centre of pressure
C.Vertically upwards
D.At metacentre

---

98. Centre of pressure compared to c.g. is
A.Above it
B.Below it.
C.At same point
D.Above or below-depending on area of body

---