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