The viscosity of water in comparison to mercury is A) Higher B) Lower C) Same D) Higher/lower depending on temperature
For very great pressures, the viscosity of moss gases and liquids A) Remains the same B) Increases C) Decreases D) Shows erratic behavior
An object having a 10 kg mass weighs 9.81kg on a spring balance. The value of „g‟ at this place is A) 10m/sec2 B) 9.81 m/sec2 C) 10.2/m sec D) 9.75 m/sec2
The normal stress in a fluid will be constant in all directions at a point only if A) It is incompressible B) It has uniform viscosity C) It has zero viscosity D) It is at rest
When the flow parameters at any given instant remain the same at every point, then the flow is said to be A) Quasi-static B) Steady state C) Laminar D) Uniform
The specific weight of water is 1000 kg/m A) At normal pressure of 760 mm B) At 4°C temperature C) At mean sea level D) All the above
The property of a fluid that enables it to resist tensile stress is known as A) Compressibility B) Surface tension C) Cohesion D) Adhesion
The property of a fluid by which its own molecules are attracted is called A) Adhesion B) Cohesion C) Viscosity D) Compressibility
If no resistance is encountered by displacement, such a substance is known as A) Fluid B) Water C) Gas D) Ideal fluid
