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