Mechanical Engineering : Hydraulic And Fluid Machines QUESTIONS AND ANSWERS :: part5 : 11 to 15
Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
11.Working principle of dead weight pressure gauge tester is based on |
| Pascal's law |
| Dalton's law of partial pressure |
| Newton's law of viscosity . |
| Avogadro's hypothesis |
| Second law of thermodynamic. |
12.Euler's dimensionless number relates the following |
| inertial force and gravity |
| viscous force and inertial force |
| viscous force and buoyancy force |
| pressure force and inertial force |
| pressure force and viscous force. |
13.Which of the following instrument can be used for measuring speed of a submarine moving in deep sea |
| Venturimeter |
| Orifice plate |
| hot wire anemometer |
| rotameter |
| pitot tube. |
14.The centre of pressure of a surface subjected to fluid pressure is the point |
| on the surface at which resultant pres-sure acts |
| on the surface at which gravitational force acis |
| at which all hydraulic forces meet |
| similar to metacentre |
| where pressure equivalent to hydraulic thrust will act. |
15.Buoyant force is |
| the resultant force acting on a floating body |
| the resultant force on a body due to the fluid surrounding it |
| equal to the volume of liquid dis-placed |
| the force necessary to maintain equi-librium of a submerged body |
| none of the above. |
More Hydraulic And Fluid Machines QUESTIONS AND ANSWERS available in next pages
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