In order to increase sensitivity of U-tube manometer, one leg is usually inclined by angle 9. Sensitivity of inclined tube to sensitivity of U-tube is equal to_________________?

Related Mcqs:

1. Which of the following manometer has highest sensitivity __________________?

   A. U-tube with water
   B. inclined U-tube
   C. U-tube with mercury
   D. micro-manometer with water
   E. displacement type

2. The rise or depression of liquid in a tube due to surface tension wim increase in size of tube will_______________?

   A. increase
   B. remain unaffected
   C. may increase or decrease depending on the characteristics of liquid
   D. decrease
   E. unpredictable

3. For manometer, a better liquid combination is one having______________?

   A. higher surface tension
   B. lower surface tension
   C. surface tension is no criterion
   D. high density and viscosity
   E. low density and viscosity

4. Alcohol is used in manometer, because___________________?

   Choose the wrong statement ?

   A. its vapour pressure is low
   B. it provides suitable meniscus for the inclined tube
   C. its density is less
   D. it provides longer length for a given pressure difference
   E. it provides accurate readings.

5. Specific weight of water in S.I. units is equal to_________________?

   A. 1000 N/m3
   B. 10000 N/m3
   C. 9.81 xlO3 N/m3
   D. 9.81 xlO6N/m3
   E. 9.81 N/m3

6. An open vessel of water is accelerated up an inclined plane. The free water surface will___________________?

   A. be horizontal
   B. make an angle in direction of inclination of inclined plane
   C. make an angle in opposite direction to inclination of inclined plane
   D. any one of above is possible
   E. none of the above

7. Center of pressure on an inclined plane is______________________?

   A. at the centroid
   B. above the centroid
   C. below the centroid
   D. at metacentre
   E. at center of pressure

8. Liquids transmit pressure equally in all the directions. This is according to_________________?

   A. Boyle’s law
   B. Archimedes principle
   C. Pascal’s law
   D. Newton’s formula
   E. Chezy’s equation

9. The angle of contact in case of a liquid depends upon____________________?

   A. the nature of the liquid and the solid
   B. the material which exists above the free surface of the liquid
   C. both of die above
   D. any one of the above
   E. none of die above

10. If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be_________________?

    A. higher than the surface of liquid
    B. the same as the surface of liquid
    C. lower than the surface of liquid
    D. unpredictable
    E. none of the above