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
The density of a liquid in kg/m
3
is numerically equal to its specific gravity.
Options
A. True
B. False
Correct Answer
True
Hydraulics and Fluid Mechanics problems
Search Results
1. When a tube of smaller diameter is dipped in water, the water rises in the tube with an upward __________ surface.
Options
A. concave
B. convex
Show Answer
Scratch Pad
Discuss
Correct Answer: concave
2. The velocity through a channel of circular section will be maximum when the depth of water is __________ the diameter of the circular channel.
Options
A. 0.34 times
B. 0.67 times
C. 0.81 times
D. 0.95 times
Show Answer
Scratch Pad
Discuss
Correct Answer: 0.81 times
3. In a footstep bearing, if the radius of the shaft is doubled, then the torque required to overcome the viscous resistance will be
Options
A. double
B. four times
C. eight times
D. sixteen times
Show Answer
Scratch Pad
Discuss
Correct Answer: sixteen times
4. A flow in which each liquid particle has a definite path, and the paths of individual particles do not cross each other, is called
Options
A. steady flow
B. uniform flow
C. streamline flow
D. turbulent flow
Show Answer
Scratch Pad
Discuss
Correct Answer: streamline flow
5. A vessel of 4 m
3
contains an oil which weighs 30 kN. The specific weight of the oil is
Options
A. 4.5 kN/m
3
B. 6 kN/m
3
C. 7.5 kN/m
3
D. 10 kN/m
3
Show Answer
Scratch Pad
Discuss
Correct Answer: 7.5 kN/m
3
6. Bulk modulus of a fluid is the ratio of
Options
A. shear stress to shear strain
B. increase in volume to the viscosity of fluid
C. increase in pressure to the volumetric strain
D. critical velocity to the viscosity of fluid
Show Answer
Scratch Pad
Discuss
Correct Answer: increase in pressure to the volumetric strain
7. Froude's number is the ratio of inertia force to
Options
A. pressure force
B. elastic force
C. gravity force
D. surface tension force
Show Answer
Scratch Pad
Discuss
Correct Answer: gravity force
8. 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
9. 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
10. 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
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