Lakshya Education MCQs

Question: The horizontal component of buoyant force is
Options:
A. Negligible
B. Same as buoyant force
C. Zero
D. None of the above
Answer: Option C

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More Questions on This Topic :

Question 1. The efficiency of a hydraulic press is given by (where w = weight lifted by ram, p = force applied on plunger, a = area of ram, and a = area of plunger)
  1.     (W/p) × (A/a)
  2.     (p/W) × (a/A)
  3.     (W/p) × (a/A)
  4.     (p/W) × (A/a)
Answer: Option C
Question 2. An object having 10 kg mass weighs 9.81 kg on a spring balance. the value of 'g' at this place is
  1.     10 m/sec²
  2.     9.81 m/sec²
  3.     9.75 m/sec²
  4.     9 m/sec
Answer: Option A
Explanation :
Question 3. The region between the separation streamline and the boundary surface of the solid body is known as
  1.     Wake
  2.     Drag
  3.     Lift
  4.     Boundary layer
Answer: Option A
Question 4. The coefficient of viscosity may be determined by
  1.     Capillary tube method
  2.     Orifice type viscometer
  3.     Rotating cylinder method
  4.     All of these
Answer: Option D
Question 5. The region between the separation streamline and the boundary surface of the solid body is known as
  1.     Wake
  2.     Drag
  3.     Lift
  4.     Boundary layer
Answer: Option A
Question 6. The efficiency of a hydraulic press is given by (where w = weight lifted by ram, p = force applied on plunger, a = area of ram, and a = area of plunger)
  1.     (W/p) × (A/a)
  2.     (p/W) × (a/A)
  3.     (W/p) × (a/A)
  4.     (p/W) × (A/a)
Answer: Option C

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