Q. A balloon lifting in air follows the following principle
✅ Correct Answer: (D)
all of the above
Fluid Mechanics MCQs | Page - 1
Dear candidates you will find MCQ questions of Fluid Mechanics here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. A body floats in stable equilibrium
✅ Correct Answer: (B)
when the metancentre is above e.g
Q. A bucket of water is hanging from a spring balance. An iron piece is suspended into water without touching sides of bucket from another support. The spring balance reading will
✅ Correct Answer: (C)
remain same
Q. A fluid in equilibrium can’t sustain
✅ Correct Answer: (C)
shear stress
Q. A fluid is said to be ideal, if it is
✅ Correct Answer: (D)
inviscous and incompressible
Q. A hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm. It is required to lift a weight of 1 tonne. The force required on plunger is equal to
✅ Correct Answer: (A)
10 kg
Q. A large Roynold number is indication of
✅ Correct Answer: (D)
highly turbulent flow
Q. 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
✅ Correct Answer: (B)
4000 kg/cm²
Q. A liquid would wet the solid, if adhesion forces as compared to cohesion forces are
✅ Correct Answer: (B)
more
Q. A metal with specific gravity of o floating in a fluid of same specific gravity a will
✅ Correct Answer: (D)
be fully immersed with top surface at fluid surface
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