1) Which one of the following is NOT a mode of stress in size reduction? a) Classification b) Cutting c) Compression d) Collision 2) Which are the modes observed in a ball mill for size reduction? a) Cutting and compression b) Compression and impact c) Attrition and cutting d) Impact and attrition 3) Which mill includes a screen as an integral part of the size reduction? a) Ball mill b) Hammar mill c) Fluid energy mill d) colloid mill 4) Which one of the following indicates the nominal size of aperture? a) Area of mesh as percentage b) Distance between two adjacent wires c) Number of meshes per linear length d) Wire having specified diameter that gives suitable aperture 5) During size separation, the movement of particles can be enhanced by one of the following modes. a) Agitation b) Attrition c) Gravitation d) Mixing 6) Which one of these instruments is suitable for measuring minute pressure differences in a fluid? a) Diaphragm pressure gauge b) Inclined manometer c) Simple manometer d) U-tube differential manometer 7) Which one of the properties is responsible for the use of mercury in manometers? a) High surface tension b) High vapour pressure c) Low specific gravity d) Low vapour pressure 8) How many liquids are used in differential manometer? a) Two b) Four c) One d) Three 9) Which one of the following experiments are used for the study of the flow of fluids? a) Bernoulis b) Orifice meter c) Reynolds d) Stokes 10) Reynolds number is indicative of one of the following. a) Fluid flow type b) Frictional factor c) Pumping rate d) The roughness of the pipe

PHARMACEUTICAL ENGINEERING (UNIT-1)

by
Print
Embed

Leaderboard

Visual style

Options

Switch template

Continue editing: ?