Chapter:

properties-of-fluids

1. For an incompressible fluid does density vary with temperature and pressure?


2. Which one of following is unit of specific weight?


3. Which one of following is true about Bulk Modulus of elasticity?


4. The kinematic viscosity of oil of specific gravity .8 is .0005 .This oil is used for lubrication of shaft of diameter .4 m and rotates at 190 rpm. Calculate power lost in bearing for a sleeve length of 90mm. The thickness of oil film is 1.5mm.


5. In liquids in order to measure viscosity of fluid experimentally we consider variation of shear stress with respect to what property?


6. The value of compressibility of an ideal fluid is


7. The dynamic viscosity of a fluid is 1 Poise. What should one multiply to it to get answer in N-s/m2?


8. Which one of following is unit of mass density?


9. What is characteristic variation shown by thixotropic fluids in ir shear stress vs. rate of shear strain graph?


10. For liquid fluids will capillarity rise (or fall) increase or decrease with rise in temperature.