Fluid Mechanics For Chemical | Test For NTS PPSC FPSC, TEST

A. Same rate of flow passes through
B. Head loss is same through
C. Rate of flow in each pipe is proportional to the length of
D. Total flow rate is the sum of flow rate in

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Category: Fluid Mechanics for Chemical

Which of the following may be termed as a variable orifice flow-meter ?

The most important factor, which determines the maximum height to which water can be lifted by a pump at standard temperature is the_____________________?

The equation relating friction factor to Reynold number, f-0.5 = 4 loge (NRe/√f)-0.4, is called the _____________ equation?

The ratio of inertial forces to gravity forces is called the ______________ number?

A Newtonian liquid (ρ = density, μ = viscosity) is flowing with velocity „v‟ in a tube of diameter ‘D’. Let Δp be the pressure drop across the length ‘L’. For a laminar flow, Δp is proportional to_________________?

A lubricant 100 times more viscous than water would have a viscosity (in Pa.s) ?

The ratio of hydrodynamic boundary layer to thermal boundary layer thickness in case of liquid metals is__________________?

In case of end to end connection of two or more pipes in series, the ______________ each pipe?

Efficiency of power transmission (ε) through a circular pipe is given by (ht – hf)/ht, which has a maximum value of _____________ percent?