Fluid Mechanics With increase in molecular weight of the gas, the head developed by a centrifugal compressor will Decrease Increase Unpredictable Remain same Decrease Increase Unpredictable Remain same ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Prandtl mixing length is None of these Applicable to laminar flow problems Zero at the pipe wall A universal constant None of these Applicable to laminar flow problems Zero at the pipe wall A universal constant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Velocity at a certain point in case of streamline flow is Neither A nor B Both A & B Constant Independent of time Neither A nor B Both A & B Constant Independent of time ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The bulk modulus of elasticity of a liquid Decreases with pressure Increases with pressure Is zero for incompressible liquid Is independent of temperature & pressure Decreases with pressure Increases with pressure Is zero for incompressible liquid Is independent of temperature & pressure ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following must be followed by the flow of a fluid (real or ideal)? (I) Newton's law of viscosity. (II) Newton's second law of motion. (III) The continuity equation. (IV) Velocity of boundary layer must be zero relative to boundary. (V) Fluid cannot penetrate a boundary. I, II, V II, IV, V I, II, III II, III, V I, II, V II, IV, V I, II, III II, III, V ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Reynolds number for flow of water at room temperature through 2 cm dia pipe at an average velocity of 5 cm/sec is around 100 10 2000 1000 100 10 2000 1000 ANSWER DOWNLOAD EXAMIANS APP