mechanical properties of fluid is an important topic in the Physics section in MHT CET exam. Practising this topic will increase your score overall and make your conceptual grip on MHT CET exam stronger.
This article gives you a full set of MHT CET PYQs for mechanical properties of fluid with explanations for effective preparation. Practice of MHT CET Physics PYQs including mechanical properties of fluid questions regularly will improve accuracy, speed, and confidence in the MHT CET 2026 exam.
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MHT CET PYQs for mechanical properties of fluid with Solutions
1.
A fluid flows through a pipe with a varying cross-sectional area. If the velocity of the fluid is \( v_1 = 4 \, \text{m/s} \) at a point where the cross-sectional area is \( A_1 = 2 \, \text{m}^2 \), and the velocity at another point where the cross-sectional area is \( A_2 = 1 \, \text{m}^2 \) is \( v_2 \), what is the velocity \( v_2 \)?- \( 8 \, \text{m/s} \)
- \( 4 \, \text{m/s} \)
- \( 2 \, \text{m/s} \)
- \( 1 \, \text{m/s} \)
2.
A cylindrical pipe has a radius of \( 0.1 \, \text{m} \). If the speed of water flowing through the pipe is \( 2 \, \text{m/s} \), calculate the volume flow rate of water through the pipe.- \( 0.0628 \, \text{m}^3/\text{s} \)
- \( 0.0314 \, \text{m}^3/\text{s} \)
- \( 0.1256 \, \text{m}^3/\text{s} \)
- \( 0.02 \, \text{m}^3/\text{s} \)
3.
A vessel completely filled with water has holes 'A' and 'B' at depths 'h' and '3h' from the top respectively. Hole 'A' is a square of side 'L' and 'B' is circle of radius 'r'. The water flowing out per second from both the holes is same. Then 'L' is equal to- $r^{\frac{1}{2}} \left(\pi\right)^{\frac{1}{2}} \left(3\right)^{\frac{1}{2}} $
- $r. \left(\pi\right)^{\frac{1}{4}} \left(3\right)^{\frac{1}{4}} $
- $r. \left(\pi\right)^{\frac{1}{2}} \left(3\right)^{\frac{1}{4}} $
- $r^{\frac{1}{2}} \left(\pi\right)^{\frac{1}{3}} \left(3\right)^{\frac{1}{2}} $
4.
Water is being poured at the rate of 36 m$^3$/min into a cylindrical vessel whose circular base is of radius 3 meters. Then the water level in the cylinder increases at the rate of:\(\frac{4}{\pi} \, \text{m/min} \)
\(4\pi \, \text{m/min} \)
- \(\frac{1}{4\pi} \, \text{m/min} \)
- \(\frac{\pi}{4} \, \text{m/min} \)
5.
A fluid of density \( 800 \, \text{kg/m}^3 \) is flowing through a pipe of varying cross-sectional area. The velocity of the fluid at point A is \( 2 \, \text{m/s} \), and the velocity at point B is \( 4 \, \text{m/s} \). If the cross-sectional area at point A is \( 1 \, \text{m}^2 \), find the cross-sectional area at point B.- \( 0.5 \, \text{m}^2 \)
- \( 1.5 \, \text{m}^2 \)
- \( 2.0 \, \text{m}^2 \)
- \( 4.0 \, \text{m}^2 \)
6.
A water tank is open at the top and has a hole of area \( 10^{-4} \, \text{m}^2 \) at the bottom. The height of the water column is 5 m. What is the speed of the water flowing out of the hole? (Take \( g = 10 \, \text{m/s}^2 \))- 5 m/s
- 10 m/s
- 15 m/s
- 20 m/s
7.
A liquid drop having surface energy ‘E’ is spread into 216 droplets of the same size. The final surface energy of the droplets is __.
- 3E
- 8E
- 2E
- 6E
8.
Which one of the following statements is ‘NOT’ true about the angle of contact of a liquid?
- Any increase in the temperature of the liquid does not decrease its angle of contact.
- Angle of contact depends upon the nature of liquid and solid in contact
- If an impurity is added in the liquid then it’s angle of contact changes.
- At a given temperature, the angle of contact is constant for a solid-liquid surface.
9.
A metal wire of density $'\rho'$ floats on water surface horizontally. If it is NOT to sink in water then maximum radius of wire is proportional to (T = surface tension of water, g = gravitational acceleration)- $\sqrt{\frac{T}{\pi\rho g }}$
- $\sqrt{\frac{\pi\rho g }{T}}$
- $\frac{T}{\pi\rho g }$
- $\frac{\pi\rho g }{T}$
10.
A pipe has a radius of 2 cm at one end and 1 cm at the other end. The velocity of the water at the wider end is 5 m/s. What is the velocity of the water at the narrower end, assuming incompressible flow?- \( 10 \, \text{m/s} \)
- \( 20 \, \text{m/s} \)
- \( 15 \, \text{m/s} \)
- \( 25 \, \text{m/s} \)
11.
A rectangular block is 5 cm $\times$ 5 cm $\times$ 10 cm in size. The block is floating in water with 5 cm side vertical. If it floats with 10 cm side vertical, what change will occure in the level of water?- No change
- It will rise
- It will fall
- It may rise or fal I depending on the density of block
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