Related Questions

A fluid having no viscosity is known as
ক Real fluid
খ Ideal fluid
গ Newtonian fluid
ঘ Non-Newtonian fluid
Two fluids are flowing through two similar pipes of the same diameter. The Reynold's number is same. For the same flow rate if the viscosity of a fluid is reduced to half the value of the first fluid, the pressure drop will
ক Increase
খ Decrease
গ Remain unchanged
ঘ Data insufficient to predict relative pressure drop
In the Newton's law range, the terminal velocity of a solid spherical particle falling through a stationary fluid mass is __________ the fluid viscosity.
ক Directly proportional to
খ Inversely proportional to
গ Inversely proportional to the square root of
ঘ Independent of
A fluid whose apparent viscosity increases with shear rate is termed as the __________ fluid.
ক Newtonion
খ Viscous
গ Dilatant
ঘ Non-viscous
Absolute viscosity of a fluid is a function of the __________ of the fluid.
ক Motion
খ Pressure & temperature
গ Shearing stress
ঘ Both B & C
The kinematic viscosity (in stoke) and the absolute/dynamic viscosity (in poise) are the same for __________ at room temperature.
ক Air
খ Water
গ Mercury
ঘ Alcohol
There are five persons sitting on a bench. Blue eyed lady sitting in the middle is my mother. At the extreme left, the man with grey hair is my maternal uncle. Lady sitting at the extreme right is having a pimple on her nose and is the wife of person who is sitting between blue eyed lady and grey haired man and has a pointed nose. A lady having marks on her face is the younger sister of the blue eyed lady and sitting on the remaining fifth place. The person having a pointed nose is the son of the blue eyed lady. What is the lady having marks on her face to the man sitting at extreme left ?
ক Wife
খ Maternal Aunt
গ Sister
ঘ Sister-in-law
A fluid whose viscosity does not change with the rate of deformation or shear strain is known as
ক Real fluid
খ Ideal fluid
গ Newtonian fluid
ঘ Non-Newtonian fluid
When the load on the engine increases, it becomes necessary to increase the supply of working fluid and when the load decreases, less working fluid is required. The supply of the working fluid to the engine is controlled by a
ক D-slide valve
খ governor
গ Meyer’s expansion valve
ঘ flywheel
If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be
ক Higher than the surface of liquid
খ The same as the surface of liquid
গ Lower than the surface of liquid
ঘ Unpredictable

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