Hydraulics And Fluid Mechanics In Me - Study Mode

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[#571] The bulk modulus of elasticity with increase in pressure

(A) Increases

(B) Decreases

(C) Remain constant

(D) Increases first up to certain limit and then decreases

Correct Answer

(A) Increases

[#572] Choose the correct relationship

(A) Specific gravity = gravity × density

(B) Dynamic viscosity = kinematic viscosity × density

(C) Gravity = specific gravity × density

(D) Kinematic viscosity = dynamic viscosity × density

Correct Answer

(B) Dynamic viscosity = kinematic viscosity × density

[#573] The mass per unit volume of a liquid at a standard temperature and pressure is called

(A) Specific weight

(B) Mass density

(C) Specific gravity

(D) None of these

Correct Answer

(B) Mass density

[#574] The weight per unit volume of a liquid at a standard temperature and pressure is called

(A) Specific weight

(B) Mass density

(C) Specific gravity

(D) None of these

Correct Answer

(A) Specific weight

[#575] The flow in a pipe is neither laminar nor turbulent when Reynold number is

(A) Less than 2000

(B) Between 2000 and 2800

(C) More than 2800

(D) None of these

Correct Answer

(B) Between 2000 and 2800