GATE PI 2009 | Laminar Flow Question 2 | Fluid Mechanics

GATE PI 2009

MCQ (Single Correct Answer)

-0.6

The pressure drop for laminar flow of a liquid in a smooth pipe at normal temperature and pressure is

directly proportional to density

inversely proportional to density

independent of density

proportional to (density)$$\,{}^{0.75}$$

GATE PI 2008

MCQ (Single Correct Answer)

-0.6

Two pipes of uniform section but different diameters carry water at the same volumetric flow rate. Water properties are the same in the two pipes. The Reynolds number, based on the pipe diameter,

is the same in the both pipes

is large in the narrow pipe

is smaller in the narrower pipe depends on the pipe material

depends on the pipe material

GATE PI Subjects

Engineering Mechanics

Engineering Mechanics Static and Dynamics

Strength of Materials

Simple Stress and Strain Shear Force and Bending Moment Complex Stresses Deflection of Beams Thin Cylinders Pure Bending

Theory of Machines

Analysis of Plane Mechanisms Flywheel

Engineering Mathematics

Vector Calculus Probability and Statistics Numerical Methods Calculus Complex Variable Differential Equations Linear Algebra Transform Theory

Machine Design

Design For Static Loading Design of Spur Gears

Fluid Mechanics

Fluid Kinematics Fluid Statics Laminar Flow Fluid Dynamics Turbulent Flow

Heat Transfer

Fin Design and Transient Heat Conduction Conduction Radiation Heat Exchangers

Thermodynamics

Entropy and Irreversibility

Casting

Casting Process

Joining of Materials

Welding

Metal Forming

Metal Forming Process Sheet Metal Forming Processes

Machine Tools and Machining

Metal Cutting Advance Machine Tools Machining

Metrology

Metrology and Inspection

Industrial Engineering

Inventory Control Line Balancing Queuing Forecasting Pert and Cpm