CuriousTab
Search
CuriousTab
Home
Aptitude
Computer
C Programming
C# Programming
C++ Programming
Database
Java Programming
Networking
Engineering
Biochemical Engineering
Biochemistry
Biotechnology
Chemical Engineering
Civil Engineering
Computer Science
Digital Electronics
Electrical Engineering
Electronics
Electronics and Communication Engineering
Mechanical Engineering
Microbiology
Technical Drawing
GK
Current Affairs
General Knowledge
Reasoning
Data Interpretation
Logical Reasoning
Non Verbal Reasoning
Verbal Ability
Verbal Reasoning
Exams
AIEEE
Bank Exams
CAT
GATE
IIT JEE
TOEFL
Jobs
Analyst
Bank PO
Database Administrator
IT Trainer
Network Engineer
Project Manager
Software Architect
Discussion
Home
‣
Mechanical Engineering
‣
Hydraulics and Fluid Mechanics
Comments
Question
Coefficient of discharge Cd is equal to (where
C
c
= Coefficient of contraction,
C
v
= Coefficient of velocity, and
C
r
= Coefficient of resistance)
Options
A.
C
c
x
C
v
B.
C
c
x
C
r
C.
C
v
x
C
r
D.
C
c
/
C
r
Correct Answer
C
c
x
C
v
Hydraulics and Fluid Mechanics problems
Search Results
1. The pressure of fluid due to hammer blow is
Options
A. directly proportional to density of fluid
B. inversely proportional to density of fluid
C. directly proportional to (density)
1/2
of fluid
D. inversely proportional to (density)
1/2
of fluid
Show Answer
Scratch Pad
Discuss
Correct Answer: directly proportional to (density)
1/2
of fluid
2. When a liquid is flowing through a pipe, the velocity of the liquid is
Options
A. maximum at the centre and minimum near the walls
B. minimum at the centre and maximum near the walls
C. zero at the centre and maximum near the walls
D. maximum at the centre and zero near the walls
Show Answer
Scratch Pad
Discuss
Correct Answer: maximum at the centre and minimum near the walls
3. Select the wrong statement
Options
A. An equivalent pipe is treated as an ordinary pipe for all calculations
B. The length of an equivalent pipe is equal to that of a compound pipe
C. The discharge through an equivalent pipe is equal to that of a compound pipe
D. The diameter of an equivalent pipe is equal to that of a compound pipe
Show Answer
Scratch Pad
Discuss
Correct Answer: The diameter of an equivalent pipe is equal to that of a compound pipe
4. A structure used to dam up a stream or river over which the water flows is called
Options
A. orifice
B. notch
C. weir
D. dam
Show Answer
Scratch Pad
Discuss
Correct Answer: weir
5. An orifice is said to be large, if
Options
A. the size of orifice is large
B. the velocity of flow is large
C. the available head of liquid is more than 5 times the height of orifice
D. the available head of liquid is less than 5 times the height of orifice
Show Answer
Scratch Pad
Discuss
Correct Answer: the available head of liquid is less than 5 times the height of orifice
6. The flow in a pipe or channel is said to be uniform when
Options
A. the liquid particles at all sectons have the same velocities
B. the liquid particles at different sections have different velocities
C. the quantity of liquid flowing per second is constant
D. each liquid particle has a definite path
Show Answer
Scratch Pad
Discuss
Correct Answer: the liquid particles at all sectons have the same velocities
7. The depth of centre of pressure lor an immersed surface inclined at an angle ? with the liquid surface lies at a distance equal to __________ the centre of gravity.
Options
A.
below
B.
above
C.
below
D.
above
Show Answer
Scratch Pad
Discuss
Correct Answer:
below
8. The length of a liquid stream while flowing over a weir __________ at the ends of the sill.
Options
A. expands
B. does not change
C. contracts
Show Answer
Scratch Pad
Discuss
Correct Answer: contracts
9. The value of coefficient of velocity for a sharp edged orifice __________ with the head of water.
Options
A. decreases
B. increases
Show Answer
Scratch Pad
Discuss
Correct Answer: increases
10. A flow through an expanding tube at constant rate is called
Options
A. steady uniform flow
B. steady non-uniform flow
C. unsteady uniform flow
D. unsteady non-uniform flow
Show Answer
Scratch Pad
Discuss
Correct Answer: steady non-uniform flow
Comments
There are no comments.
Enter a new Comment
Save
More in Mechanical Engineering:
Automobile Engineering
Compressors, Gas Dynamics and Gas Turbines
Engineering Materials
Engineering Mechanics
Heat Transfer, Refrigeration and Air Conditioning
Hydraulic Machines
Hydraulics and Fluid Mechanics
IC Engines and Nuclear Power Plants
Industrial Engineering and Production Management
Machine Design
Production Engineering
Steam Boilers and Engines
Steam Nozzles and Turbines
Strength of Materials
Theory of machines
Thermodynamics
Workshop Technology