How does viscosity gets affected on increasing the pressure?

1.	How does viscosity gets affected on increasing the pressure?
A.	Viscosity increases
B.	Viscosity decreases
C.	Viscosity does not get affected by the pressure
D.	None of the mentioned
Answer» B. Viscosity decreases

Discussion

No Comment Found

Related MCQs

For a hydrostatic thrust bearing, Thrust load=450kN, shaft speed=730rpm, shaft diameter=450mm, recess diameter=310mm,film thickness=0.15mm,viscosity of lubricant=160SUS and specific gravity=0.86.Calculate frictional power loss.
For a hydrostatic thrust bearing,Thrust load=450kN, shaft speed=730rpm, shaft diameter=450mm, recess diameter=310mm,film thickness=0.15mm,viscosity of lubricant=160SUS and specific gravity=0.86.Calculate power loss in pumping.
For a hydrostatic thrust bearing,Thrust load=450kN, shaft speed=730rpm, shaft diameter=450mm, recess diameter=310mm, film thickness=0.15mm, viscosity of lubricant=160SUS and specific gravity=0.86.Calculate flow requirement
For a hydrostatic thrust bearing,Thrust load=450kN, shaft speed=730rpm, shaft diameter=450mm, recess diameter=310mm, film thickness=0.15mm, viscosity of lubricant=160SUS and specific gravity=0.86.Calculate supply pressure
In hydrodynamic lubrication, film thickness remains unaffected by change in speeds.
Which of the following are not true for petroff’s equation?
Viscosity is defined as the external resistance offered by a fluid to change its shape or relative motion of its parts.
The space between two plates (20cm*20cm*1cm), 1 cm apart, is filled with a liquid of viscosity 1 Poise. The upper plate is dragged to the right with a force of 5N keeping the lower plate stationary.What will be the velocity in m/s of flow at a point 0.5 cm below the lower surface of the upper plate if linear velocity profile is assumed for the flow?
The shear stress at a point in a liquid is found to be 0.03 N/m2. The velocity gradient at the point is 0.15 s-1. What will be it’s viscosity (in Poise)?
The kinematic viscosity of a fluid is 0.1 Stokes. What will be the value is m2/s?

How does viscosity gets affected on increasing the pressure?

Discussion

No Comment Found

Related MCQs

Reply to Comment