891. Fine sand possesses
A. good plasticity
B. limited plasticity
C. reasonable plasticity
D. clay.

892. Minimum size of the particles of silt soil, is
A. 0.002 mm
B. 0.04 mm
C. 0.06 mm
D. 0.08 mm

893. Molecules of fluids get attracted due to
A. capillarity action
B. surface tension
C. adhesion
D. cohesion

894. Falling drops of water become spheres due to
A. adhesion
B. cohesion
C. surface tension
D. viscosity.

895. In an open tube, free surface of mercury remains
A. hofizontal
B. curved upwards
C. curved downwards
D. none of these.

896. If cohesion between the molecules of a fluid is more than adhesion between the fluid and glass, the free level of fluid in a dipped glass tube will be
A. higher than the surface of liquid
B. same as the surface of liquid
C. lower than the surface of liquid
D. none of these.

897. A rise or fall of liquid in a glass tube of a very small diameter when dipped is
A. directly proportional to the force per unit length of periphery
B. direly proportional to the sine of the angle of contact
C. directly proportional to the specific weight of liquid
D. inversely proportional to the diameter of the glass tube.

898. For exerting a pressure of 4.8 kg/cm2, the depth of oil (specific gravity 0.8), should be
A. 40 cm
B. 41 cm
C. 56 cm
D. 60 cm

899. Hydrostatic pressure on a dam depends upon its
A. length
B. depth
C. shape
D. both (b) and (c).

900. The moment of inertia of the shaded portion of the area shown in Fig. 5.1 about the X-axis, is
A. 229.34 cm
B. 329.34 cm4
C. 429.34 cm4
D. 529.34 cm4.

NOTE
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