1. . Fluid is the substance which can ………………..
(A) Flow
(B) Resist
(C) Both a and b
(D) None of these
2. . Properties of fluid is:
(A) Surface tension
(B) Temperature
(C) Specific gravity
(D) All of these
3. . Surface tension is caused by ……………….. between the liquid molecules:
(A) Between the liquids
(B) Adhesive forces
(C) Cohesive forces
(D) Both b and c
4. . The specific weight of fluid varies with ……………….:
(A) Density
(B) Vapour pressure
(C) Pressure
(D) Temperature
5. . Temperature is the fluid property that gives the measure of ……………………. of a fluid:
(A) Hotness
(B) Coldness
(C) Both a and b
(D) None of these
6. . The most common scales of temperatures are:
(A) 3
(B) 4
(C) 5
(D) 2
7. . The fluid pressure can be caused by when in a closed container:
(A) p = ρgh
(B) p = ρgha
(C) p = ρghl
(D) All of these
8. . The factors affect buoyant force:
(A) The density of the fluid
(B) The volume of the fluid displaced
(C) The local acceleration due to gravity
(D) All of these
9. . The types of buoyancy are:
(A) 5
(B) 4
(C) 3
(D) 2
10. . The dimension of density is:
(A) ML²
(B) ML³
(C) ML⁻²
(D) ML⁻³
11. . Hot air balloon is the application of:
(A) Pascal’s law
(B) Archimedes principle
(C) Buoyancy
(D) Law of gravity
12. . According to Archimedes upthrust is equal to:
(A) Weight of displaced liquid
(B) Volume of displaced liquid
(C) Mass of displaced liquid
(D) None of these