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In hydrodynamics, what factor is considered when analyzing fluid motion that is disregarded in hydrokinematics?

If a fluid's mass is 50 kg and its volume is 0.05 m³, what is its density?

How does the density of liquids typically differ from that of gases under varying pressure and temperature conditions?

What is the specific weight of a liquid with a density of 800 kg/m³?

If the specific weight of a fluid is 12000 N/m³, what is its density?

A fluid has a density of 1200 kg/m³. What is its specific volume?

If a substance has a specific gravity of 0.8 compared to water, what is its density?

For which type of substance is air or hydrogen at 0°C considered the standard substance when determining specific gravity?

A piezometer cannot measure which of the following effectively?

What is a key limitation of using a piezometer for pressure measurement?

In a U-tube manometer setup, the specific gravity of the light liquid is $S_1 = 0.8$ and its height is $h_1 = 0.2$ m. The specific gravity of the heavy liquid is $S_2 = 1.2$ and its height is $h_2 = 0.15$ m. What is the gauge pressure ($P_A$) at point A, expressed in meters of water?

A U-tube manometer is used to measure the pressure of a gas within a container. One side of the manometer is open to the atmosphere. Which statement accurately describes how the manometer functions?

For measuring vacuum pressure using a U-tube manometer, the equation $P_A = -(\omega_1 h_1 + \omega_2 h_2)$ is used. What do $\omega_1$ and $\omega_2$ represent in this context?

When using a U-tube manometer to measure gauge pressure, the pressure at the left limb at the datum line (z-z) is equal to the pressure at the right limb. This principle is based on:

In a U-tube manometer measuring gauge pressure, if $S_1$ and $S_2$ represent the specific gravities of the light and heavy liquids, respectively, and $h_1$ and $h_2$ their corresponding heights, what does the expression $S_2h_2 - S_1h_1$ represent?

A U-tube manometer is connected to a pipe containing a fluid with unknown pressure. The liquid in the manometer has specific gravity $S_2$ and the height difference is $h_2$. If the other side of the manometer is open to the atmosphere, what does $\omega S_2 h_2$ represent (where $\omega$ is the specific weight of water)?

A fluid's resistance to change its shape is called what?

How does temperature affect viscosity in liquids and gases?

According to Newton's Law of Viscosity, what is the relationship between shear force (F) and the velocity gradient (du/dy)?

In the context of fluid flow over a solid surface, where is the velocity of the fluid typically zero?

What does the term 'shear deformation' refer to in the context of viscosity?

If a fluid has a high coefficient of dynamic viscosity, what does this indicate about its flow?

What are the units for dynamic viscosity ($μ$) derived from the formula $\mu = \frac{F \cdot dy}{A \cdot du}$?

If the shear stress ($\tau$) in a fluid is 10 Pa and the velocity gradient ($\frac{du}{dy}$) is 2 s⁻¹, calculate the dynamic viscosity ($\mu$) of the fluid.

In the first example, if $S1$ were doubled and $h1$ halved, while other parameters remained constant, how would the pressure difference ($PB - PA$) be affected?

In the first example, if the specific weight of the fluid related to $S2$ increased by 10% , estimate the percentage change in $PB-PA$, assuming all other values remain constant. Consider only the first calculation.

In the mercury manometer problem, what would be the impact on $h2$ if the specific gravity of carbon tetrachloride ($S1$) were changed to 1.7, assuming all other parameters, including pressures in pipes A and B, remain constant?

Using the mercury manometer problem, if both pressures $PA$ and $PB$ were increased by 20 kPa, what would be the effect on $h2$?

In the mercury manometer problem, if the specific weight of water were incorrectly taken as 10 kN/m3 during calculation, how would this affect the calculated value of $h2$?

Considering the inverted differential manometer, how would an increase in $h1$ affect the pressure in pipe B ($PB$), assuming $PA$ and all specific gravities remain constant?

If, in the inverted differential manometer setup, the fluid in pipe A were changed to one with a higher specific gravity while all other parameters remained constant, what adjustment would occur in $h3$ to maintain balance?

In the inverted differential manometer, suppose a small leak occurs in the connection to pipe A, causing $PA$ to decrease slightly. How would this affect the mercury level readings ($h1$, $h2$, and $h3$)?

A cylindrical water tank with a base area of 5 $m^2$ is filled to a height of 2 meters. What is the pressure at the bottom of the tank due to the water's weight, assuming the density of water is 1000 $kg/m^3$ and $g = 9.8 m/s^2$?

If a barometer reads 750 mm of mercury, what does this indicate about atmospheric pressure compared to standard atmospheric pressure?

A pressure gauge connected to a tank reads 150 kPa. If the atmospheric pressure is 101.3 kPa, what is the absolute pressure inside the tank?

In a scenario where a vacuum gauge reads -30 kPa, and the atmospheric pressure is 101.3 kPa, what is the absolute pressure?

Why is mercury commonly used in barometers for measuring atmospheric pressure?

If the pressure head at a certain depth in a liquid is 5 meters, and the specific weight of the liquid is 8000 $N/m^3$, what is the pressure at that depth?

What is the relationship between gauge pressure, atmospheric pressure, and absolute pressure when measuring positive pressures?

How does altitude affect atmospheric pressure, and why?

In the U-tube manometer problem with oil (specific gravity 0.8) and mercury, what does $h_1$ represent in the calculation?

In the context of the first U-tube manometer problem, what is the significance of multiplying the specific gravity of a fluid by the density of water ($\omega$)?

For the vacuum pressure problem, why is the term $(S_1h_1 + S_2h_2)$ negative in the equation $P_A = - \omega (S_1h_1 + S_2h_2)$?

In the vacuum pressure problem, if the specific gravity of the fluid were increased, how would this affect the calculated vacuum pressure ($P_A$)?

In the third problem, involving pipes A and B, what is the purpose of accounting for the 60 mm vertical distance between the pipes?

If the specific gravity of the liquid in pipe A is greater than that in pipe B, what can be inferred about the pressure in pipe A compared to pipe B, assuming all other variables remain constant?

In the configuration described in the third problem, if the liquid in pipe B were replaced with a liquid of higher specific gravity, how would the mercury level difference in the manometer change, assuming the pressure in pipe A remains constant?

What adjustment would need to be made to the calculation for pressure difference if the U-tube manometer in the third problem used a fluid other than mercury, with a known specific gravity $S_3$?