Thermodynamics

Q. What is the work done by a gas during isothermal expansion?
  • A. Zero
  • B. Depends on the temperature
  • C. Is equal to the heat absorbed
  • D. Is equal to the change in internal energy
Q. What is the work done by an ideal gas during an isobaric process?
  • A. PΔV
  • B. nRT
  • C. 0
  • D. nRΔT
Q. What is the work done by an ideal gas during an isothermal expansion?
  • A. Zero
  • B. nRT ln(Vf/Vi)
  • C. nRT (Vf - Vi)
  • D. nR (Tf - Ti)
Q. What is the work done by the system during an isochoric process?
  • A. Positive
  • B. Negative
  • C. Zero
  • D. Depends on the temperature
Q. What is the work done by the system in an isochoric process?
  • A. Positive
  • B. Negative
  • C. Zero
  • D. Depends on the temperature
Q. What is the work done by the system when it expands against a constant external pressure?
  • A. PΔV
  • B. ΔU
  • C. Q
  • D. PΔT
Q. What is the work done on a gas during an isochoric process?
  • A. Positive
  • B. Negative
  • C. Zero
  • D. Depends on the gas
Q. Which law states that the entropy of a perfect crystal approaches zero as the temperature approaches absolute zero?
  • A. Zeroth law of thermodynamics
  • B. First law of thermodynamics
  • C. Second law of thermodynamics
  • D. Third law of thermodynamics
Q. Which law states that the rate of heat transfer through a material is proportional to the temperature gradient?
  • A. Newton's Law of Cooling
  • B. Fourier's Law of Heat Conduction
  • C. Stefan-Boltzmann Law
  • D. Kirchhoff's Law
Q. Which law states that the rate of heat transfer through a material is proportional to the negative gradient of temperature?
  • A. Newton's Law of Cooling
  • B. Fourier's Law of Heat Conduction
  • C. Stefan-Boltzmann Law
  • D. Kirchhoff's Law
Q. Which law states that the rate of heat transfer through a material is proportional to the temperature difference across it?
  • A. Newton's Law of Cooling
  • B. Fourier's Law
  • C. Stefan-Boltzmann Law
  • D. Ohm's Law
Q. Which law states that the total energy of an isolated system remains constant?
  • A. First law of thermodynamics
  • B. Second law of thermodynamics
  • C. Zeroth law of thermodynamics
  • D. Third law of thermodynamics
Q. Which of the following factors does NOT affect the rate of heat transfer by conduction?
  • A. Temperature difference
  • B. Material thickness
  • C. Surface area
  • D. Color of the material
Q. Which of the following factors does NOT affect the rate of heat transfer by convection?
  • A. Fluid velocity
  • B. Surface area
  • C. Temperature difference
  • D. Material density
Q. Which of the following is a good conductor of heat?
  • A. Wood
  • B. Plastic
  • C. Copper
  • D. Glass
Q. Which of the following is a measure of the average kinetic energy of particles in a substance?
  • A. Heat
  • B. Temperature
  • C. Thermal energy
  • D. Latent heat
Q. Which of the following is a method of heat transfer?
  • A. Conduction
  • B. Convection
  • C. Radiation
  • D. All of the above
Q. Which of the following is an example of an adiabatic process?
  • A. Heating water in a kettle
  • B. Compressing a gas in a piston without heat exchange
  • C. Cooling a gas in a refrigerator
  • D. Heating a metal rod in a flame
Q. Which of the following is an example of conduction?
  • A. Boiling water
  • B. Heating a metal rod
  • C. Sun warming the Earth
  • D. Wind blowing
Q. Which of the following is an example of convection?
  • A. Heating a metal rod in a flame
  • B. Boiling water in a pot
  • C. Sunlight warming the ground
  • D. Ice melting in a drink
Q. Which of the following is an example of forced convection?
  • A. Heat transfer in a pot of boiling water
  • B. Heat transfer from a radiator
  • C. Heat transfer from a hot cup of coffee
  • D. Heat transfer in a still air room
Q. Which of the following is an example of heat transfer by radiation?
  • A. Heating a metal rod in a flame
  • B. Sunlight warming the Earth
  • C. Boiling water in a pot
  • D. Heating air in a room
Q. Which of the following is the best conductor of heat?
  • A. Air
  • B. Water
  • C. Copper
  • D. Wood
Q. Which of the following materials has the highest thermal resistance?
  • A. Copper
  • B. Aluminum
  • C. Glass Wool
  • D. Steel
Q. Which of the following materials is the best conductor of heat?
  • A. Wood
  • B. Air
  • C. Copper
  • D. Glass
Q. Which of the following processes involves a change in temperature?
  • A. Isothermal process
  • B. Adiabatic process
  • C. Isobaric process
  • D. Isochoric process
Q. Which of the following processes is adiabatic?
  • A. Heating a gas in a closed container
  • B. Compressing a gas without heat exchange
  • C. Cooling a gas at constant pressure
  • D. Evaporating water at room temperature
Q. Which of the following processes is an example of an adiabatic process?
  • A. Heating water in a kettle
  • B. Compressing a gas in a piston without heat exchange
  • C. Melting ice at room temperature
  • D. Boiling water
Q. Which of the following processes is an example of an isothermal process?
  • A. Heating a gas in a closed container
  • B. Compressing a gas without heat exchange
  • C. Melting ice at 0°C
  • D. Cooling a gas at constant pressure
Q. Which of the following processes is isothermal for an ideal gas?
  • A. Heating at constant volume
  • B. Cooling at constant pressure
  • C. Expansion against a constant external pressure
  • D. Expansion where temperature remains constant
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