Hydraulics And Fluid Mechanics In Me - Practice Test

[#176] In impulse Turbine, energy available at the inlet is in the form of

(A) Potential Energy

(B) Strain Energy

(C) Kinetic energy

(D) None of these

Correct Answer

(C) Kinetic energy

[#177] Slip of a reciprocating pump is negative, when

(A) Suction pipe is short and pump is running at low speeds

(B) Delivery pipe is long and pump is running at high speeds

(C) Suction pipe is short and delivery pipe is long and the pump is running at low speeds

(D) Suction pipe is long and delivery pipe is short and the pump is running at high speeds

Correct Answer

(D) Suction pipe is long and delivery pipe is short and the pump is running at high speeds

[#178] Reynolds number is significant in

(A) Supersonics, as with projectile and jet propulsion

(B) Full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc.

(C) Simultaneous motion through two fluids where there is a surface of discontinuity, gravity forces, and wave making effect, as with ship's hulls

(D) All of the above

Correct Answer

(B) Full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc.

[#179] Froude number is significant in

(A) Supersonics, as with projectile and jet propulsion

(B) Full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc.

(C) Simultaneous motion through two fluids where there is a surface of discontinuity, gravity forces, and wave making effect, as with ship's hulls

(D) All of the above

Correct Answer

(C) Simultaneous motion through two fluids where there is a surface of discontinuity, gravity forces, and wave making effect, as with ship's hulls

[#180] The pressure intensity in kN/m 2 (or kPa) at any point in a liquid is (where w = Specific weight of liquid and h = Depth of liquid from the surface)

(A) w

(B) wh

(C) $$frac{{ ext{w}}}{{ ext{h}}}$$

(D) $$frac{{ ext{h}}}{{ ext{w}}}$$

Correct Answer

(B) wh

Hydraulics And Fluid Mechanics In Me - Study Mode

[#176] In impulse Turbine, energy available at the inlet is in the form of

Correct Answer

[#177] Slip of a reciprocating pump is negative, when

Correct Answer

[#178] Reynolds number is significant in

Correct Answer

[#179] Froude number is significant in

Correct Answer

[#180] The pressure intensity in kN/m 2 (or kPa) at any point in a liquid is (where w = Specific weight of liquid and h = Depth of liquid from the surface)

Correct Answer