A. Lower thickness
B. Lower cross-section
C. Outer diameter
D. Inner diameter
Related Mcqs:
- 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?
A. Equivalent
B. Transition
C. Prandtl mixing
D. None of these - Capillary rise of mercury in a small diameter tube is proportional to (where, d = diameter of the tube, ζ = surface tension of mercury)____________________?
A. d
B. 1/d
C. ζ
D. 1/ζ - Correction for capillary effect in manometers (used for pressure measurement) need not be applied, if diameter of the manometer tube is _____________ mm?
A. 4
C. > 12.5
D. < 10 - The capillary rise of mercury is maximum in glass tube of dia _____________ mm?
A. 0.5
B. 1
C. 2
D. 5 - The pitot static tube does not measure the _____________ pressure?
A. Static
B. Total
C. Difference in static & dynamic
D. All A., B. and C. - The distribution of shear stress in a stream of fluid in a circular tube is_____________________?
A. Linear with radius for turbulent flow only
B. Linear with radius for laminar flow only
C. Linear with radius for both laminar & turbulent flow
D. Parabolic with radius for both laminar & turbulent flow - A stream tube is that, which has ______________________ cross-section entirely bounded by stream lines?
A. A circular
B. Any convenient
C. A small
D. A large - Pick out the correct statement pertaining to the flow through a converging-diverging tube ?
A. The value of Mach number is always unity at the throat
B. No shock wave develops in the tube when the Mach number at exit is greater than unity
C. Throughout the converging portion of the tube, the density increases in the downstream
direction
D. None of these - The simple Pitot tube measures the _______________ pressure?
A. static
B. Dynamic
C. Total
D. None of these - Capillary tube method of viscosity measurement is based on the ________________?
A. Hagen-Poiseuille’s equation
B. Stoke’s law
C. Navier-stokes equation
D. None of these
