A) Radiation B) Advection C) Convection D) Conduction
A) Radiation B) Convection C) Entropy D) Conduction
A) Conduction B) Convection C) Entropy D) Radiation
A) Pressure difference and time B) Sound intensity and surface area C) Temperature difference and material properties D) Mass and volume
A) Reverses heat flow direction B) Decreases heat transfer rate C) No effect on heat transfer D) Increases heat transfer rate
A) They absorb more radiation and convert it into heat B) They emit more radiation C) They repel heat D) They reflect radiation away
A) Vapor pressure B) Thermal conductivity C) Specific heat capacity D) Density
A) Conduction B) Natural convection C) Forced convection D) Radiation
A) Thermal conductivity B) Specific heat capacity C) Density D) Viscosity
A) Through a vacuum or any transparent medium by photons or electromagnetic waves. B) By mechanical means such as fans. C) Through the bulk flow of fluid. D) By direct contact between two bodies.
A) The letter 'V'. B) The letter 'P'. C) The letter 'H'. D) The letter 'U'.
A) Newton. B) Joule. C) Watt. D) Calorie.
A) A process function (or path function). B) A state function. C) An equilibrium constant. D) A thermodynamic potential.
A) Newton's law for fluids. B) Fourier's law. C) Ohm's law. D) Fick's laws of diffusion.
A) Radiation B) Convection C) Conduction D) Advection
A) Air heated by a radiator. B) Sunlight warming the ground. C) Heat transfer through a metal rod. D) Transport of warm ocean currents.
A) Viscosity B) Volume (m3) C) Velocity (m/s) D) Voltage
A) Metals B) Liquids C) Solids D) Gases
A) Refractive index B) Radiation C) Resistance D) Density (kg/m3)
A) Easier temperature measurement B) Solid-state operation with no moving parts C) Lower cost D) Higher thermal conductivity
A) 40 °C. B) Approximately 37 °C. C) 25 °C. D) 32 °C.
A) Emissivity. B) The Stefan–Boltzmann constant. C) View factor. D) Heat flux.
A) Ionization B) Solid-to-solid transformation C) Sublimation D) Melting
A) Sublimation B) Condensation C) Melting D) Freezing
A) Heat flux. B) Stefan-Boltzmann constant. C) View factor. D) Emissivity, which is unity for a black body.
A) Iron B) Gold C) Copper D) Tin
A) Recombination/deionization B) Condensation C) Deposition D) Sublimation
A) 1601 B) 1901 C) 1801 D) 1701
A) Stefan-Boltzmann law B) Newton's law of cooling C) Mason equation D) Fourier's law
A) Same direction B) Randomly C) At right angles to each other D) Opposite directions
A) Thermal transmittance adjustment. B) Passive daytime radiative cooling. C) Solar radiation management. D) Carbon dioxide removal.
A) Heat exchanger B) Thermal diode C) Heat engine D) Thermocouple
A) Joules per second B) Calories per hour C) Watts per square meter per kelvin (W/(m2K)) D) BTUs per minute
A) Counter flow B) Cross flow C) Perpendicular flow D) Parallel flow
A) Diagonal flow B) Counter flow C) Parallel flow D) Cross flow
A) Water usage over time. B) Gas flow rates. C) Electric energy consumption in intervals. D) Thermal transmittance values.
A) v B) ΔT C) ρ D) c_p
A) A bimetallic strip B) A digital sensor C) A thermometer inside a large, closed glass tube D) An open mercury container
A) 500 K. B) About 4000 K. C) 273 K. D) 1000 K.
A) Extruded finned pipe B) Double pipe C) U-tube D) Shell and tube
A) Double pipe B) Spiral fin pipe C) Shell and tube D) U-tube
A) Prince-elector of Bavaria B) Benjamin Thompson (Count Rumford) C) Jan Ingenhousz D) Charles Theodore
A) 1775 – 1789 B) 1800 – 1812 C) 1784 – 1798 D) 1750 – 1765
A) Liquid B) Plasma C) Gas D) Solid
A) Gold B) Copper C) Silver D) Lead
A) 1775 B) 1786 C) 1785 D) 1790
A) Sublimation B) Deposition C) Evaporation D) Condensation
A) Peltier effect B) Thermal expansion effect C) Joule-Thomson effect D) Seebeck effect |