Fluid Dynamics

Q: A stethoscope is an instrument used:

(a) :  To get an X-ray photograph
(b) :  To check the blood group
(c) :  To listen to sounds within human body
(d) :  In operations
(e) :  None of the Above
Answer:  To listen to sounds within human body
Explanation:  

Q: we can infer from bernoulli's theorem that where the speed of the fluid is high,there the pressure will be

(a) :  high
(b) :  low
(c) :  sometimes high,sometimes low
(d) :  none of these
(e) :  None of the Above
Answer:  low
Explanation:  

Q: given that ρ(for water)=10³kg/m³ Ƞ(for air)=2*10⁵(SI unit) radius of droplet=10⁵ meters the terminal velocity of droplet comes out to be

(a) :  1 cm/sec
(b) :  10 cm/sec
(c) :  100 cm/sec
(d) :  none of these
(e) :  None of the Above
Answer:  1 cm/sec
Explanation:  

Q: An equation in fluid dynamics relates pressure, fluid speed and height. This equation is called:

(a) :  Equation of continuity
(b) :  Bernoulli's equation
(c) :  Venturi equation
(d) :  None of these
(e) :  None of the Above
Answer:  Bernoulli's equation
Explanation:  

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