Fluid Mechanics The inherent characteristic of an equal percentage valve relating flow rate 'q' with valve stem movement 'x' are described by the equation dq/dx = K/q dq/dx = Kq² dq/dx = K dq/dx = K.q dq/dx = K/q dq/dx = Kq² dq/dx = K dq/dx = K.q ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The fluid velocity varies as the square root of the cylindrical pipe diameter in case of steady state laminar flow at constant pressure drop fo __________ fluid. Pseudoplastic Dilatant Bingham plastic Newtonion Pseudoplastic Dilatant Bingham plastic Newtonion ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Pressure drop in a fluidised bed reactor is __________ that in a similar packed bed reactor. None of these More than Same as Less than None of these More than Same as Less than ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A bed of spherical particles (specific gravity 2.5) of uniform size 1500 μm is 0.5 m in diameter and 0.5 m high. In packed bed state, the porosity may be taken as 0.4. Ergun's equation for the above fluid-particle system (in SI units) is given below : Δ P/L = 375 x 10³ VOM + 10.94 x 10⁶ V²OM (SI units) If water is to be used as the fluidising medium, the minimum fluidisation velocity, VOM is 16 mm/s 28 mm/s 24 mm/s 12 mm/s 16 mm/s 28 mm/s 24 mm/s 12 mm/s ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The length of the tube necessary for the boundary layer to reach the centre of the tube and for fully developed flow to be established is called the __________ length. Equivalent Transition None of these Prandtl mixing Equivalent Transition None of these Prandtl mixing ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The temperature in isentropic flow Does not depend on Mach number Cannot drop and then increase again downstream None of these Depends on Mach number only Does not depend on Mach number Cannot drop and then increase again downstream None of these Depends on Mach number only ANSWER DOWNLOAD EXAMIANS APP
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