A. higher surface tension
B. lower surface tension
C. surface tension is no criterion
D. high density and viscosity
E. low density and viscosity
Related Mcqs:
- Manometer is used to measure__________________?
A. pressure in pipes, channels etc
B. atmospheric pressure
C. very low pressure
D. difference of pressure between two points
E. velocity - 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. cas 9
D. cos 9
E. tan 9 - 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 - Alcohol is used in manometer, because____________________?
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 - A liquid compressed in cylinder has a volume of 0.04 m3 at 50 kg/cm2 and a volume of 0.039 m3 at 150 kg/cm2. The bulk modulus of elasticity of liquid is___________________?
A. 400 kg/cm2
B. 4000 kg/cm2
C. 40 x 105 kg/cm2
D. 40 x 106 kg/cm2
E. none of the above - For a body floating in a liquid the normal pressure exerted by the liquid acts at ____________________?
A. bottom surface of the body
B. e.g. of the body
C. metacentre
D. all points on the surface of the body
E. all of the above - A piece of wood having weight 5 kg floats in water with 60% of its volume under the liquid. The specific gravity of wood is _________________?
A. 0.83
B. 0.6
C. 0.4
D. 0.3
E. none of the above - If the surface of liquid is convex, men ___________________?
A. cohesion pressure is negligible
B. cohesion pressure is decreased
C. cohesion pressure is increased
D. there is no cohesion pressure
E. none of the above - The centre of gravity of the volume of the liquid displaced by an immersed body is called ___________________?
A. centre of gravity
B. centre of pressure
C. metacentre
D. centre of buoyancy
E. centroid - Austenite rs a combination of_________________?
A. ferrite and cementite
B. cementite and gamma iron
C. ferrite and austenite
D. ferrite and iron graphite
E. pearlite and ferrite
