Test: Types of Fluids - Mechanical Engineering MCQ
15 Questions MCQ Test - Test: Types of Fluids
The relation between shear stress Z and velocity gradient 
of a fluid is given by 
where A and n are constants. If n = 1, what type of fluid will it be?
of a fluid is given by where A and n are constants. If n = 1, what type of fluid will it be?The relation between shear stress Z and velocity gradient of a fluid is given by where A and n are constants. What type of fluid will it be if n < 1 and n > 1 respectively?
of a fluid is given by where A and n are constants. What type of fluid will it be if n < 1 and n > 1 respectively?| 1 Crore+ students have signed up on EduRev. Have you? Download the App |
For what value of flow behaviour index, does the consistency index has a dimension independent of time?
of a fluid is given by 
The relation between shear stress Z and velocity gradient of a fluid is given by + B where A, n and B are constants.
Which of the following conditions will hold for a Bingham plastic?
The relation between shear stress Z and velocity gradient of a fluid is given by + B where A, n and B are constants. Which of the following conditions will hold for a Rheopectic?
The above graph of viscosity vs time depicts which of the following fluids?
(Hint : This fluid is present in inks and paints)
The relation between shear stress Z and velocity gradient of a fluid is given by where A and n are constants. The graphs are drawn for three values of n. Which one will be the correct relationship between n1, n2 and n3?
of a shear-thinning fluid is given by 
, where A and n are constants and n < 1. This relation is followed by Pseudoplastics.
of a shear-thickening fluid is given by 
where A and n are constants and n > 1. This relation is followed by Dilatants.What will be the dimension of the flow consistency index for a fluid with a flow behaviour index of -1?
of a fluid is given by 
where A is the flow consistency index and n is the flow behaviour index. If n = -1, A = Z * An inverted U-tube manometer is used to measure the pressure difference between two pipes A and B, as shown in the figure. Pipe A is carrying oil (specific gravity = 0.8) and pipe B is carrying water. The densities of air and water are 1.16 kg/m3, respectively. The pressure difference between pipes A and B is kPa.
Acceleration due to gravity g = 10 m/s2.
A spherical balloon with a diameter of 10 m, shown in the figure below is used for advertisements. The balloon is filled with helium (RHe = 2.08 kJ/kg⋅K) at ambient conditions of 15°C and 100 kPa. Assuming no disturbances due to wind, the maximum allowable weight (in Newton) of balloon material and rope required to avoid the fall of the balloon (Rair = 0.289 kJ/kg ⋅K) is _____
Refer to figure, the absolute pressure of gas A in the bulb is
If ‘P’ is the gauge pressure within a spherical droplet, then gauge pressure within a bubble of the same fluid and of same size will be
A cube of side 100 mm is placed at the bottom of an empty container on one of its faces. The density of the material of the cube is 800 kg/m3. Liquid of density 1000 kg/m3 is now poured into the container. The minimum height to which the liquid needs to be poured into the container for the cube to just lift up is _____ mm.
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