Fluid Mechanics
Fluid Properties
Marks 1Marks 2
Boundary Layer
Marks 1Marks 2Marks 5
Turbulent Flow
Marks 1Marks 2Marks 5
Fluid Kinematics
Marks 1Marks 2
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:

𝑃1 = 100 kPa, 𝜌1 = 1.2 kg/m3 , 𝑢1= 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 𝑢2 and pressure 𝑃2 at Location 2 is TRUE? 

GATE ME 2023 Fluid Mechanics - Fluid Dynamics Question 8 English
A
𝑢2 < 𝑢1 , 𝑃2 < 𝑃1
B
𝑢2 < 𝑢1 , 𝑃2 > 𝑃1
C
𝑢2 > 𝑢1 , 𝑃2 < 𝑃1
D
𝑢2 > 𝑢1 , 𝑃2 > 𝑃1
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
GATE ME Subjects
Engineering Mechanics
Machine Design
Strength of Materials
Heat Transfer
Production Engineering
Industrial Engineering
Turbo Machinery
Theory of Machines
Engineering Mathematics
Fluid Mechanics
Thermodynamics
General Aptitude