Related Questions

With increase in the ratio of orifice diameter to pipe diameter, the fraction of the orifice pressure differential that is permanently lost
A Increases
B Decreases
C Remains unchanged
D Increases exponentially
A pipe of length more than double the diameter of orifice fitted externally or internally to the orifice is called a
A Notch
B Weir
C Mouthpiece
D Nozzle
In a short cylindrical external mouthpiece, the vena contracta occurs at a distance __________ the diameter of the orifice from the outlet of orifice.
A Equal to
B One-fourth
C One-third
D One-half
Coefficient of discharge for a totally submerged orifice as compared to that for an orifice discharging free is
A slightly less
B slightly more
C nearly half
D equal
If a fluid expands suddenly into vacuum through an orifice of large dimension, then such a process is called
A Free expansion
B Hyperbolic expansion
C Adiabatic expansion
D Parabolic expansion
An internal mouthpiece is said to be running free if the length of the mouthpiece is __________ the diameter of the orifice.
A Less than twice
B More than twice
C Less than three times
D More than three times
An internal mouthpiece is said to be running __________ if the length of the mouthpiece is more than three times the diameter of the orifice.
A Free
B Partially
C Full
D None of these
A survey was conducted among the students of Khulna University to find out how many forms of physical exercise usually swam, 25% said they usually did jogging, 20% said they played cricket, 15% said they usually played football and 20 respondents said they did not take any form of exercise. From the above findings it can be concluded that.
A The student of khulna University do not usually take physical exercise.
B No respondent took more than one form of exercise.
C The method of data collection was not valid.
D Some of the respondents took more than one form of exercise.
The coefficient of discharge (Cd) of an orifice varies with ------- number.
A Mach
B Weber
C Froude
D Reynolds
The theoretical value of coefficient of contraction of a sharp edged orifice is
A 0.611
B 0.85
C 0.98
D 1.00

Next steps