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MCQs

Total Questions : 1709 | Page 152 of 171 pages
Question 1511. 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 _________________?
  1.    400 kg/cm2
  2.    4000 kg/cm2
  3.    40 x 105 kg/cm2
  4.    40 x 106 kg/cm2
  5.    none of the above
 Discuss Question
Answer: Option B. -> 4000 kg/cm2
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1512. Surface tension _____________________?
  1.    acts in the plane of the interface normal to any line in the surface
  2.    is also known as capillarity
  3.    is a function of the curvature of the interface
  4.    decreases with fall in temperature
  5.    has no units
 Discuss Question
Answer: Option A. -> acts in the plane of the interface normal to any line in the surface
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1513. Alcohol is used in manometer, because___________________?
Choose the wrong statement ?
  1.    its vapour pressure is low
  2.    it provides suitable meniscus for the inclined tube
  3.    its density is less
  4.    it provides longer length for a given pressure difference
  5.    it provides accurate readings
 Discuss Question
Answer: Option A. -> its vapour pressure is low
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1514. Units of surface tension are_________________?
  1.    energy/unit area
  2.    distance
  3.    both of the above
  4.    it has no units
  5.    none of the above
 Discuss Question
Answer: Option C. -> both of the above
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1515. The property of fluid by virtue of which it offers resistance to shear is called____________________?
  1.    surface tension
  2.    adhesion
  3.    cohesion
  4.    viscosity
  5.    all of the above
 Discuss Question
Answer: Option D. -> viscosity
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1516. Choose the correct relationship_________________?
  1.    specific gravity = gravity x density
  2.    dynamicviscosity = kinematicviscosity x density
  3.    gravity = specific gravity x density
  4.    kinematicviscosity = dynamicviscosity x density
  5.    hydrostaticforce = surface tension x gravity
 Discuss Question
Answer: Option B. -> dynamicviscosity = kinematicviscosity x density
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1517. For manometer, a better liquid combination is one having______________?
  1.    higher surface tension
  2.    lower surface tension
  3.    surface tension is no criterion
  4.    high density and viscosity
  5.    low density and viscosity
 Discuss Question
Answer: Option A. -> higher surface tension
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1518. The density of water is 1000 kg/m3 at __________________?
  1.    0°C
  2.    0°K
  3.    4°C D. 20°C
  4.    all temperature
 Discuss Question
Answer: Option C. -> 4°C D. 20°C
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1519. Which of the following is the unit of kinematic viscosity _________________?
  1.    pascal
  2.    poise
  3.    stoke
  4.    faraday
  5.    none of the above
 Discuss Question
Answer: Option C. -> stoke
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1520. The ratio of absolute viscosity to mass density is known as____________________?
  1.    specific viscosity
  2.    viscosity index
  3.    kinematic viscosity
  4.    coefficient of viscosity
  5.    coefficient of compressibility
 Discuss Question
Answer: Option C. -> kinematic viscosity
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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