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