Description : Unsteady non-uniform flow is represented by flow through a/an (A) Long pipe at constant rate (B) Long pipe at decreasing rate (C) Expanding tube at increasing rate (D) Expanding tube at constant rate
Last Answer : (C) Expanding tube at increasing rate
Description : A flow through an expanding tube at constant rate is called (A) Steady uniform flow (B) Steady non-uniform flow (C) Unsteady uniform flow (D) Unsteady non-uniform flow
Last Answer : Answer: Option B
Description : Unsteady uniform flow is represented by flow through a/an (A) Long pipe at constant rate (B) Long pipe at decreasing rate (C) Expanding tube at increasing rate (D) Expanding tube at constant rate
Last Answer : (B) Long pipe at decreasing rate
Description : Steady non-uniform flow is exemplified by flow through a/an (A) Long pipe at constant rate (B) Long pipe at decreasing rate (C) Expanding tube at increasing rate (D) Expanding tube at constant rate
Last Answer : (D) Expanding tube at constant rate
Description : An example of unsteady non uniform flow is the flow of liquid under pressure through a (A) Tapering pipe at constant flow rate (B) Tapering pipe at either decreasing or increasing flow rate (C) Long pipeline of constant diameter (D) None of these
Last Answer : (B) Tapering pipe at either decreasing or increasing flow rate
Description : A flow through a long pipe at constant rate is called (A) Steady uniform flow (B) Steady non-uniform flow (C) Unsteady uniform flow (D) Unsteady non-uniform flow
Last Answer : Answer: Option A
Description : Steady uniform flow is represented by flow through a/an (A) Long pipe at constant rate (B) Long pipe at decreasing rate (C) Expanding tube at constant rate (D) None of these
Last Answer : (A) Long pipe at constant rate
Description : A flow through a long pipe at decreasing rate is called __________ uniform flow. (A) Steady (B) Unsteady (C) Both A and B (D) None of these
Description : The flow of a liquid through tapering pipe at a constant rate is an example of __________ flow. (A) Steady uniform (B) Steady non uniform (C) Unsteady uniform
Last Answer : (B) Steady non uniform
Description : When the flow in an open channel is gradually varied, the flow is said to be (A) Steady uniform flow (B) Steady non-uniform flow (C) Unsteady uniform flow (D) Unsteady non-uniform flow
Description : Normal depth in open channel flow is the depth of flow corresponding to (A) Steady flow (B) Unsteady flow (C) Laminar flow (D) Uniform flow
Last Answer : Answer: Option D
Description : During the opening of a valve in a pipe line, the flow is (A) Steady (B) Unsteady (C) Uniform (D) Laminar
Description : In which type of fluid flow, the velocity of flow of fluid changes from point to point in the fluid at any instant? (A) Rotational (B) Unsteady (C) Turbulent (D) Non-uniform
Last Answer : (D) Non-uniform
Description : Gradually varied flow in open channel is a/an __________ flow. (A) Steady uniform (B) Steady non-uniform (C) Unsteady uniform (D) Unsteady non-uniform
Last Answer : (B) Steady non-uniform
Description : Water flow in the river during flood can be categorised as the __________ flow. (A) Unsteady uniform (B) Unsteady non-uniform (C) Steady uniform (D) Steady non-uniform
Last Answer : Option B
Description : Fluid flow at increasing rate through a diverging pipe is an example of __________ flow. (A) Steady uniform (B) Non-steady uniform (C) Steady non-uniform (D) Non-steady non-uniform
Last Answer : (D) Non-steady non-uniform
Description : Nature of fluid flow during the opening of a valve in a pipeline is (A) Laminar (B) Unsteady (C) Steady (D) Uniform
Last Answer : (B) Unsteady
Description : One dimensional flow implies (A) Flow in a straight line (B) Steady uniform flow (C) Unsteady uniform flow (D) A flow which does not account for changes in transverse direction
Last Answer : (D) A flow which does not account for changes in transverse direction
Description : What Is The Difference Between The Unsteady Uniform Flow And Steady Uniform Flow?
Last Answer : Unsteady uniform flow - changes with time. Steady uniform flow - does not change with time.
Description : Select the correct practical example of steady non-uniform flow. (A) Motion of water around a ship in a lake (B) Motion of river around bridge piers (C) Steadily decreasing flow through a reducing section (D) Steadily increasing flow through a pipe
Last Answer : (C) Steadily decreasing flow through a reducing section
Description : The heating and expanding of a gas is called thermodynamic system. A. Yes B. No
Last Answer : Answer: B
Description : A flow in which the quantity of liquid flowing per second is not constant, is called (A) Streamline flow (B) Turbulent flow (C) Steady flow (D) Unsteady flow
Description : A flow in which the viscosity of fluid is dominating over the inertia force is called (A) Steady flow (B) Unsteady flow (C) Laminar flow (D) Turbulent flow
Last Answer : Answer: Option C
Description : A flow in which the quantity of liquid flowing per second is constant, is called __________ flow. (A) Steady (B) Streamline (C) Turbulent (D) Unsteady
Description : Flow occurring in a pipeline when a valve is being opened is (A) Steady (B) Unsteady (C) Laminar (D) Vortex
Description : The continuity equation is connected with (A) Open channel/pipe flow (B) Compressibility of fluids (C) Conservation of mass (D) Steady/unsteady flow
Description : What causes convective acceleration in fluid flow? (A) Steep slope in flow (B) Unsteady nature of flow (C) Non-uniformity of flow (D) Turbulence in flow
Last Answer : (C) Non-uniformity of flow
Description : Mass velocity is independent of temperature & pressure, when the flow is (A) Unsteady through unchanged cross-section (B) Steady through changing cross-section (C) Steady and the cross-section is unchanged (D) Unsteady and the cross-section is changed
Last Answer : (C) Steady and the cross-section is unchanged
Description : In case of unsteady fluid flow, conditions & flow pattern change with the passage of time at a position in a flow situation. Which of the following is an example of unsteady flow? (A) ... level is maintained (D) Low velocity flow of a highly viscous liquid through a hydraulically smooth pipe
Last Answer : (B) Water flow in the suction and discharge pipe of a reciprocating pump
Description : When the rate of flow of charge through a metallic condoctor of non-uniform cross-section is uniform, then the quantity that remains constant along th
Last Answer : When the rate of flow of charge through a metallic condoctor of non-uniform cross-section is ... . electric field C. electric potential D. current
Description : Pick up the correct statement from the following regarding radial flow centrifugal pumps: (A) These are provided with volute type or turbine type casings (B) In involute type of radial flow ... centrifugal pump, is always higher than that of volute type (D) All the above
Last Answer : (D) All the above
Description : Dry saturated steam can be converted into superheated steam by (A) Increasing its cross-sectional area of flow (B) Passing it through a pressure reducing valve (C) Forcing it downwards through a vertical tube (D) None of these
Last Answer : (B) Passing it through a pressure reducing valve
Description : 18. The reciprocal of Euler's number is called Newton number. A) Yes B) No
Last Answer : A
Description : The component of acceleration resulting due to unsteady nature of flow is called __________ acceleration. (A) Normal (B) Local (C) Convective (D) Tangential
Last Answer : (B) Local
Description : Pick out the wrong statement. (A) A fluid mass is free from shearing forces, when it is made to rotate with a uniform velocit (B) Newton's law of viscosity is not applicable to the ... types of bearings (D) Rise of water in capillary tubes reduces with the increasing diameter of capillary tubes
Last Answer : (B) Newton's law of viscosity is not applicable to the turbulent flow of fluid with linear velocity distribution
Description : Surging basically implies A. Unsteady, periodic and reversed flow B. Forward motion of air at a speed above sonic velocity C. The surging action due to the blast of air produced in a compressor D. Forward movement of aircraft
Last Answer : ANSWER : A
Description : Unsteady state heat conduction occurs, when (A) Temperature distribution is independent of time (B) Temperature distribution is dependent on time (C) Heat flows in one direction only (D) Three dimensional heat flow is concerned
Last Answer : (B) Temperature distribution is dependent on time
Description : For one dimensional flow of an incompressible fluid in unsteady state in x-direction, the continuity equation is given by (A) ∂u/∂x = 0 (B) ∂(ρu)/∂x = 0 (C) (∂u/∂x) = - (∂ρ/∂t) (D) ∂ρ/∂t = 0
Last Answer : (A) ∂u/∂x = 0
Description : The energy equation, E + (p/ρ) + (V 2 /2g) + gZ = constant (E = internal energy/mass), is applicable to (A) Perfect gases only (B) Isothermal flow of gases (C) Adiabatic unsteady flow of gases (D) All compressible fluids
Last Answer : (D) All compressible fluids
Description : Pick out the wrong statement. (A) Surface tension of a liquid is because of the difference in magnitude of adhesive & cohesive forces (B) A hydrometer used for the determination of ... Turbulent fluid flow is characterised by the rapid fluctuation of instantaneous pressure & velocity at a poin
Last Answer : (C) In case of unsteady fluid flow, the velocity at any given point does not change with time
Description : General energy equation holds for (A) Steady flow (B) Turbulent flow (C) Laminar flow (D) Non-uniform flow
Description : The Euler's equation for the motion of liquids is based upon the assumption that (A) The fluid is non - viscous, homogeneous and incompressible (B) The velocity of flow is uniform over the section (C) The flow is continuous, steady and along the stream line (D) All of the above
Description : The flow in a pipe or channel is said to be non-uniform when (A) The liquid particles at all sections have the same velocities (B) The liquid particles at different sections have different ... The quantity of liquid flowing per second is constant (D) Each liquid particle has a definite path
Description : Gradually varied flow is (A) Steady uniform (B) Non-steady non-uniform (C) Non-steady uniform (D) Steady non-uniform
Description : Non uniform flow occurs when (A) The direction and magnitude of the velocity at all points are identical (B) The velocity of successive fluid particles, at any point, is the same at ... The fluid particles move in plane or parallel planes and the streamline patterns are identical in each plane
Description : 09. The rise, in water level, which occurs during the transformation of the unstable shooting flow to the stable streaming flow is called hydraulic jump. A) Yes B) No
Description : 12. The flow at critical depth in an open channel is called torrential flow. A) Yes B) No
Last Answer : B
Description : The reduced levels of points, 30 metres apart along the longitudinal section of a road portion between chainages 5 and 9 are shown in the given figure. If there is a uniform up-gradient of the road 120 in 1, the chainage ... 15) chains (B) (6 + 12) chains (C) (6 + 18) chains (D) None of these
Last Answer : (B) (6 + 12) chains
Description : 11. The velocity at which the turbulent flow starts is known as higher critical velocity. A) Yes B) No
Description : Can a cooling tower cool water below the wet bulb temperature of inlet air? (A) Yes (B) No (C) Yes; but height of cooling tower will be prohibitively high (D) Yes; but the air flow rate should be excessively high
Last Answer : (B) No