LIVE EXAM FLUID MECHANICS (12-04-2019 to 13-04-2019)

QuizÂ by Wincentre Classes

Feel free to use or edit a copy

includes Teacher and Student dashboards

### Measure skillsfrom any curriculum

Tag the questions with any skills you have. Your dashboard will track each student's mastery of each skill.

• edit the questions
• save a copy for later
• start a class game
• view complete results in the Gradebook and Mastery Dashboards
• automatically assign follow-up activities based on studentsâ€™ scores
• assign as homework
• share a link with colleagues
• print as a bubble sheet
10 questions
• Q1
The kinematic viscosity is the
ratio of absolute viscosity to the density of the liquid
product of absolute viscosity and mass of the liquid
ratio of density of the liquid to the absolute viscosity
product of absolute viscosity and density of the liquid
30s
Edit
Delete
• Q2
The Reynold's number of a ship is .........................to its velocity and length
directly proportional
inversely proportional
Independant
Data insufficient
30s
Edit
Delete
• Q3
Which of the following denotes the effect of compressibility in fluid flow ?
Weber number
Euler number
Reynolds number
Mach number
30s
Edit
Delete
• Q4
Laminar sublayer exists in
Transition Zone
None of these
Laminar boundary layer region
Turbulent boundary layer region
30s
Edit
Delete
• Q5
Energy loss in an orificemeter is ....... that in a venturimeter.
Data insufficient
More than
Depends on flow rate
Less than
30s
Edit
Delete
• Q6
The ratio of average fluid velocity to the maximum velocity in case of laminar flow of a Newtonion fluid in a circular pipe is
0.5
4
1
2
30s
Edit
Delete
• Q7
Co-efficient of velocity is ................. the coefficient of discharge
Less than
More than
Not related to
Depends on flow rate
30s
Edit
Delete
• Q8
Check valves are used
at high pressure
in bends
for unidirectional flow
for controlling water flow
30s
Edit
Delete
• Q9
The centre of pressure is
Depends on fluid density
Anywhere on the body
Always above the centre of gravity of the area
Always below the centre of gravity of the area
30s
Edit
Delete
• Q10
With increase in temperature, the vapor pressure of liquids
Remains constant
Depends on liquid
Increases
Decreases
30s
Edit
Delete

Teachers give this quiz to your class