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Physics Fsc Part 1 Full Book Online Test
| Sr. # | Questions | Answers Choice |
|---|---|---|
| 1 | The fundamental dquation is fluid dynamics that relates to pressure, speed and height is. |
<p>Bernoulli's equation</p> <p>Contnuity equaiton</p> <p>Energy equation</p> <p>Force equation</p> |
| 2 | Pressure will be low where speed of fluid is. |
<p>High</p> <p>Low</p> <p>Constant</p> <p>Zero</p> |
| 3 | Law of conservtio of energy is on the basis of. |
<p>Bernoulli's theorem</p> <p>Venture relation</p> <p>Stoke's law</p> <p>Equation of continuity</p> |
| 4 | The viscosty of the gas with increase in temperature |
<p>Increase</p> <p>Descrease</p> <p>Remain same</p> <p>Sometimes increases and sometimes decrease</p> |
| 5 | Which liquid can flow easily |
<p>Ether</p> <p>Tar</p> <p>Honey</p> <p>All flow with same rate</p> |
| 6 | The viscoity of liquid with rise in temperature. |
<p>Increases</p> <p>Decreases</p> <p>Remain same</p> <p>Moderate</p> |
| 7 | The force required to slid one layer onver other layer of liquid is measured by |
<p>Velocity</p> <p>Viscosity</p> <p>Acceleation</p> <p>Momentum</p> |
| 8 | The product of cross sectional area of the pipe and the fluid speed at any point is. |
<p>Negative</p> <p>Zero</p> <p>Constant</p> <p>Variable</p> |
| 9 | Law of conservation of mass gives us the equation of |
<p>Rate of flow</p> <p>Continuity</p> <p>Terminal velocity</p> <p>Drag force</p> |
| 10 | An object moving in a fluid experience a retarding force called |
<p>Drag force</p> <p>Gravitational force</p> <p>Horizontal force</p> <p>Centripetal force</p> |
| 11 | In drug force increase as the spedd of object |
<p>Increase</p> <p>Decrease</p> <p>Has no effe</p> <p>Moderate</p> |
| 12 | Which of the following is a defining characteristic of a superfluid. |
<p>Zero Viscosity</p> <p>Infinite density</p> <p> Zero temperature</p> <p> Infinie thermal conductivity</p> |
| 13 | In medical field, a venture mask used to deliver a known oxygen concetation to patients operates is based on.
|
<p> Newton's thrid law</p> <p> </p> <p> Archimedes principle</p> <p> </p> <p> Pascal's law</p> <p> </p> <p> Beronoulli's thermal conductivity</p> <p> </p> |
| 14 | The lift force experienced by an aeroplane wings is primarily due to.
|
<p> Viscosity of air</p> <p> Density of air</p> <p> </p> <p> Pressure difference above and below the wing</p> <p> </p> <p> Gravitational force</p> <p> </p> |
| 15 | An ideal flow of any fluid must satisfy. |
<p> Pascal law</p> <p>P</p> <p> Bernoulli's principle</p> <p> </p> <p> Continuity equation only</p> <p> </p> <p> Both a and C</p> <p> </p> |
| 16 | The principle of floatation is a direct application of
|
<p> Pascal's Law</p> <p> </p> <p> Bernoulli's principle</p> <p> </p> <p> Archiedes principle</p> <p> </p> <p> Newton's thrd law</p> <p>N</p> |
| 17 | If a stone is submerged in water and it weight less in water than in air, this phenomenon is due to. |
<p> The reduction of mass in water</p> <p> </p> <p> Increase of density in water</p> <p> </p> <p> Buoyant force action upwards</p> <p> </p> <p> The gravitational force acting spward</p> <p> </p> |
