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.
Related Mcqs:
- 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 - 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 - 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_________________?
A. sin 9
B. sin 9
C. casS
D. cos 9
E. tan 9 - Alcohol is used in manometers because_____________________?
A. it has low vapour pressure
B. it is clearly visible
C. it has low surface tension
D. it can provide longer column due to low density
E. is provides suitable meniscus - The normal stress in a fluid will be constant in all directions at a point only if_________________?
A. it is incompressible
B. it has uniform viscosity
C. it has zero viscosity
D. it is frictionless
E. it is at rest. - A fluid is said to be ideal, if it is________________?
A. incompressible
B. inviscous
C. viscous and incompressible
D. inviscous and compressible
E. inviscous and incompressible - A bucket of water is hanging from a spring balance. An iron piece is suspended into water without touching sides of bucket from another support. The spring balance reading will__________________?
A. increase
B. decrease
C. remain same
D. increase/decrease depending on depth of immersion
E. unpredictable - Surface energy per unit area of a surface is numerically equal to___________________?
A. atmospheric pressure
B. surface tension
C. force of adhesion
D. force of cohesion
E. viscosity - If the atmospheric pressure on the surface of an oil tank (sp. gr. 0.8) is 0.2 kg/cm”, the pressure at a depth of 50 m below the oil surface will be _____________________?
A. 2 meters of water column
B. 3 meters of water column
C. 5 meters of water column
D. 6 meters of water Column
E. 7 meters of water column - During the opening of a valve in a pipe line, the flow is___________________?
A. steady
B. unsteady
C. uniform
D. laminar
E. free vortex type
