WorksheetsCHAPTER 1 INTRODUCTION TO THERMAL AND FLUIDS ENGINEERING
Total questions: 10
Worksheet time: 5mins
What is the primary focus of thermal-fluids systems?
Studying chemical reactions
Measuring electrical resistance
Energy: its use, conversion, or transmission
Investigating sound waves
Which discipline focuses on energy transformations and the physical properties of substances?
Fluid mechanics
Thermodynamics
Heat transfer
Quantum mechanics
Which component is NOT part of a car’s water-cooling system?
Radiator
Radiator fan
Air filter
Water pump
What does fluid mechanics analyze in a thermal-fluids system?
Heat flow due to temperature differences
Energy transformations in fluids
Pressure and flow resistance in fluids
Chemical composition of gases
In thermodynamics, what type of system does not allow mass to cross the boundary?
Open system
Closed system
Isolated system
Dynamic system
What is the driving factor for heat transfer?
Pressure difference
Density variation
Temperature difference
Mass flow rate
Which of the following is an example of natural convection?
Heating water in a sealed container
Buoyant air circulation in a heated room
Heat transfer through a solid metal rod
Solar radiation heating a surface
What is a key characteristic of radiation heat transfer?
It occurs only in solids
It requires a medium for transfer
It can occur in a vacuum
It is driven by fluid motion
Which example best illustrates hydrostatics?
Wind resistance acting on a moving car
Pressure forces on a dam holding back a reservoir
Water flowing through a turbine
Heat dissipation in an engine radiator
In which process do both mass and energy flow across the system boundary?
Steady process
Open system process
Closed system process
Transient process