WorksheetsPaani se panga mat lo
Total questions: 18
Worksheet time: 9mins
Weight density or specific weight or unit weight is defined as
ρ=W/V
ρ=M/V
γ=W/V
γ=M/V
Which of the formula defines newton’s law of viscosity?
τ=μdy/du
τ=μdu/dy
μ=τdu/dy
μ=τdy/du
Which of the following relation is correct?
Kinematic viscosity=Density/(Dynamic viscosity)
Dynamic viscosity=(Kinematic viscosity)/Density
Kinematic viscosity=(Dynamic viscosity)/Density
Dynamic viscosity=Density/(Kinematic viscosity)
Unit of kinematic viscosity is
Poise
Stoke
Ns/m2
Pata Nahi
The pressure inside the soap bubble is
P=4σ/d
P=8σ/d
P=2σ/d
Padh ke batata hu
Capillary rise is defined by the formula
h=4σcosθ/ρgd
h=2σcosθ/ρgd
h=8σcosθ/ρgd
Sar dard hogya civil me
Which of the following defines the absolute pressure:
a. Atmospheric Pressure + Gauge Pressure
b. Vacuum pressure – Atmospheric Pressure
c. Gauge pressure + Vacuum Pressure
d. Dimag ka Pressure
a and b
b and c
c and a
only d
What type of pressure is in the vessel A in cases a and b?
Vacuum in (a) and gauge in (b)
Vacuum in (b) and gauge in (a)
Vacuum in both (a) and (b)
Gauge in both (a) and (b)
Which device is used here to measure the pressure?
Piezometer
U Tube Manometer
U Tube Differential Manometer
Samajh Nahi Aya
Which pressure is this device measuring?
Air
Water
Atmosphere
All of the above
If x is the centre of mass of the body, A is the area then the total pressure on an inclined surface is given by
ρgAx
xρgA
Aρgx
Pehle ye batao ye dubaya kisne
If x is the centre of mass of the body, IG is the moment of inertia about center of gravity and A is the area then the centre of pressure on an inclined surface is given by
x + IgAx
x + xAIg
x + AxIg
Fir wahi baat! Pehle ye batao ye dubaya kisne
Which condition of equilibrium is there is the body shown?
Stable
Unstable
Neutral
Yeeee toh nai ata
The difference is Lagrangian and Eulerian approach in fluid kinematics is
Eulerian is particle oriented and Lagrangian is flow oriented
Eulerian is flow oriented and Lagrangian is particle oriented
Both are same
In dono chachao se hamara koi nata nai
A line which shows the instantaneous location of the particle which passes through a point is called
Stream Line
Streak Line
Path Line
None of the above
On increasing the velocity of flow
Distance between stream lines decreases
Distance between stream lines increases
Distance between streak lines increases
Distance between streak lines decreases
Choose the correct statement
a. Convective acceleration is change in velocity per unit time
b. Convective acceleration is change in velocity per unit space
c. Temporal acceleration is change in velocity per unit time
d. Temporal acceleration is change in velocity per unit space
a and c
a and d
b and c
b and d
How was the quiz? You can choose any two options.
Learning
Fun
Time consuming
Not worth of
