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