Fluid Mechanics MCQ on Compressible Flow

This is an MCQ-based quiz on the topic of Fluid Mechanics MCQ on Compressible Flow.

This includes the following:-

Thermodynamic Relations
Basic Equations of Compressible Flow
Velocity of Sound or Pressure Wave in a Fluid
Stagnation Properties
Area Velocity Relationship for Compressible Flow
Flow of Compressible Fluid through Orifices and Nozzles

Start Quiz

The symbol of Helmholtz free energy is_________

A H B E

Which among the following is the formula for Helmholtz free energy?

U+TS U+TV U-TS UTV

What is the unit of Helmholtz free energy?

Kelvin Joule Kilowatt Newton

What is the symbol for Gibbs free energy?

A H G E

Gibbs free energy is also known as______

Free energy Free entropy Free enthalpy Free motion

What is the unit of Gibbs free energy?

Kelvin Joule Kilowatt Newton

Which among the following is the formula for Gibbs free energy?

H-T∆S H-T T∆S H-S

All the energy relations satisfy the mathematical condition in thermodynamics.

True False

The performance of a flow device is expressed in terms of _________

Adiabatic efficiency Isentropic efficiency Thermal efficiency Mechanical efficiency

Isentropic efficiency is defined as ________

The power output of actual turbine/ power output if the turbine were isentropic The power input of actual turbine/ power output if the turbine were isentropic The power output of actual turbine/ power output if the turbine were adiabatic The power output of actual turbine/ power output if the turbine were polytropic

Which among the following is the formula for continuity equation?

ρ(x)V(x)A(x) = Constant A(x) = Constant ρ(x)V(x) = constant P(x)V(x) = constant

Sum of enthalpy and kinetic energy remains a constant in __________

Polytropic flow Isentropic flow Adiabatic flow Mechanical flow

Eddy viscosity is a turbulent transfer of _________

Fluid Heat Momentum Pressure

Which among the following is the equation for Bernoulli?

Tds = dh – vdp Tds = dh Tds = dh + vdp Tds = dh/vdp

For an isentropic flow ________

Enthalpy = 0 Entropy = 0 Pressure = 0 Temperature = 0

Quiz/Test Summary

Title: Fluid Mechanics MCQ on Compressible Flow