1
GATE ME 2025
MCQ (Single Correct Answer)
+1
-0.33

Consider two identical tanks with a bottom hole of diameter $d$. One tank is filled with water and the other tank is filled with engine oil. The height of the fluid column $h$ is same in both the cases. The fluid exit velocity in the two tanks are $V_1$ and $V_2$. Neglecting all losses, which one of the following options is correct?

GATE ME 2025 Fluid Mechanics - Fluid Dynamics Question 1 English
A
$V_2>V_1$
B
$V_2=V_1$
C
$V_2
D
Insufficient data to definitively conclude the relationship between $V_1$ and $V_2$.
2
GATE ME 2025
MCQ (Single Correct Answer)
+1
-0.33
In a laboratory experiment using a scaled down model to measure scour at a bridge pier, the Froude number is important. The ratio of the prototype length to the model length is 100 . If the velocity of the model is $1 \mathrm{~m} \mathrm{~s}^{-1}$, the velocity (in $\mathrm{m} \mathrm{s}^{-1}$ ) of the prototype is
A
0.1
B
1
C
10
D
100
3
GATE ME 2023
MCQ (Single Correct Answer)
+1
-0.33

Consider an isentropic flow of air (ratio of specific heats = 1.4) through a duct as shown in the figure.

The variations in the flow across the cross-section are negligible. The flow conditions at Location 1 are given as follows:

š‘ƒ1 = 100 kPa, šœŒ1 = 1.2 kg/m3 , š‘¢1= 400 m/s

The duct cross-sectional area at Location 2 is given by A2 = 2A1, where A1 denotes the duct cross-sectional area at Location 1. Which one of the given statements about the velocity š‘¢2 and pressure š‘ƒ2 at Location 2 is TRUE? 

GATE ME 2023 Fluid Mechanics - Fluid Dynamics Question 8 English
A
š‘¢2 < š‘¢1 , š‘ƒ2 < š‘ƒ1
B
š‘¢2 < š‘¢1 , š‘ƒ2 > š‘ƒ1
C
š‘¢2 > š‘¢1 , š‘ƒ2 < š‘ƒ1
D
š‘¢2 > š‘¢1 , š‘ƒ2 > š‘ƒ1
4
GATE ME 2022 Set 2
MCQ (Single Correct Answer)
+1
-0.33

Consider a steady flow through a horizontal divergent channel, as shown in the figure, with the supersonic flow at the inlet. The direction of flow is from left to right.

GATE ME 2022 Set 2 Fluid Mechanics - Fluid Dynamics Question 11 English

Pressure at location B is observed to be higher than that at an upstream location A. Which among the following options can be the reason?

A
Since volume flow rate is constant, velocity at B is lower than velocity at A
B
Normal shock
C
Viscous effect
D
Boundary layer separation
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