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MCQs

Total Questions : 1709 | Page 153 of 171 pages
Question 1521. Alcohol is used in manometers because_____________________?
  1.    it has low vapour pressure
  2.    it is clearly visible
  3.    it has low surface tension
  4.    it can provide longer column due to low density
  5.    is provides suitable meniscus
 Discuss Question
Answer: Option D. -> it can provide longer column due to low density
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1522. Specific weight of sea water is more that of pure water because it contains ________________?
  1.    dissolved air
  2.    dissolved salt
  3.    suspended matter
  4.    all of the above
  5.    heavy water
 Discuss Question
Answer: Option D. -> all of the above
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1523. Falling drops of water become spheres due to the property of ________________?
  1.    adhesion
  2.    cohesion
  3.    surface tension
  4.    viscosity
  5.    compressibility
 Discuss Question
Answer: Option C. -> surface tension
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1524. The total pressure on the surface of a vertical sluice gate 2 m x 1 m with its top 2 m surface being 0.5 m below the water level will be____________________?
  1.    500 kg
  2.    1000 kg
  3.    1500 kg
  4.    2000 kg
  5.    4000 kg
 Discuss Question
Answer: Option D. -> 2000 kg
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1525. If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be_________________?
  1.    higher than the surface of liquid
  2.    the same as the surface of liquid
  3.    lower than the surface of liquid
  4.    unpredictable
  5.    none of the above
 Discuss Question
Answer: Option C. -> lower than the surface of liquid
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1526. Free surface of a liquid tends to contract to the smallest possible area due to force of _________________?
  1.    surface tension
  2.    viscosity
  3.    friction
  4.    cohesion
  5.    adhesion
 Discuss Question
Answer: Option A. -> surface tension
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1527. The resultant upward pressure of the fluid on an immersed body is called_________________?
  1.    upthrust
  2.    buoyancy
  3.    center of pressure
  4.    all the above are correct
  5.    none of above is correct
 Discuss Question
Answer: Option B. -> buoyancy
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1528. The buoyancy depends on__________________?
  1.    mass of liquid displaced
  2.    viscosity of the liquid
  3.    pressure of the liquid displaced
  4.    depth of immersion
  5.    none of the above
 Discuss Question
Answer: Option A. -> mass of liquid displaced
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1529. Fluid is a substance that_______________?
  1.    cannot be subjected to shear forces
  2.    always expands until it fills any container
  3.    has the same shear stress.at a point regardless of its motion
  4.    cannot remain at rest under action of any shear force
  5.    flows
 Discuss Question
Answer: Option D. -> cannot remain at rest under action of any shear force
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1530. The volumetric change of the fluid caused by a resistance is known as_________________?
  1.    volumetric strain
  2.    volumetric index
  3.    compressibility
  4.    adhesion
  5.    cohesion
 Discuss Question
Answer: Option C. -> compressibility
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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