Physics · Chapter 5 of 11

Fluids: BPSC & UPPCS Prelims PYQs

7 previous-year questions on Fluids. Each one opens to its answer and explanation.

1. 1. 67th BPSC Prelims 2022

   A piece of ice is floating in a beaker containing water up to its brim. When the whole of the ice melts

   1. Athe water will spill on the floor
   2. Bthe level of water will come down in the beaker
   3. Cthe level of water will first fall and then it will spill out of the beaker
   4. Dthe water level will not change
   5. ENone of the above/More than one of the above
   Answer and explanation →

2. 2. 67th BPSC Prelims 2022

   The temperature point at which solid, liquid and gaseous states may stay together is known as

   1. Aboiling point
   2. Bmelting point
   3. Cfreezing point
   4. Dtriple point
   5. ENone of the above/More than one of the above
   Answer and explanation →

3. 3. 66th BPSC Prelims 2020

   The highest viscosity among the following is of

   1. Awater
   2. Bair
   3. Cblood
   4. Dhoney
   5. ENone of the above / More than one of the above
   Answer and explanation →

4. 4. 65th BPSC Prelims 2019

   Which one of the following quantities does not have unit?

   1. AStress
   2. BForce
   3. CStrain
   4. DPressure
   5. ENone of the above / More than one of the above
   Answer and explanation →

5. 5. UPPSC Prelims 2016

   The velocity of wind is measured by

   1. ABarometer
   2. BAnemometer
   3. CHydrometer
   4. DWind Vane
   Answer and explanation →

6. 6. UPPSC Prelims 2015

   Which one of the following denotes water salinity gradient?

   1. AThermocline
   2. BHalocline
   3. CPycnocline
   4. DChemocline
   Answer and explanation →

7. 7. UPPSC Prelims 2012

   When ice melts, then the

   1. Avolume increases
   2. Bvolume decreases
   3. Cmass increases
   4. Dmass decreases
   Answer and explanation →