Quiz on Forms of Energy

What is the total energy of a system denoted by?

• E

• U

• KE

• e

Which of the following is NOT a form of energy mentioned in the text?

• Nuclear

• Solar

• Chemical

• Thermal

What does thermodynamics primarily deal with?

• Energy transfer

• Change in total energy

• Energy conservation

• Absolute energy values

What is the term for the energy related to the molecular structure of a system?

• Potential energy

• Mechanical energy

• Kinetic energy

• Internal energy

What is the formula for kinetic energy (KE) on a unit mass basis?

• ke = mgz

• ke = V^2 / 2

• KE = mV^2 / 2

• KE = mgz

What does the symbol 'U' represent in thermodynamics?

• Kinetic energy

• Total energy

• Internal energy

• Potential energy

Which of the following forms of energy is considered macroscopic?

• Internal energy

• Thermal energy

• Chemical energy

• Kinetic energy

What is the expression for potential energy (PE)?

• PE = 1/2 mv^2

• PE = mgh

• PE = mgz

• PE = U + KE

What is the relationship between mass flow rate and volume flow rate?

• m · = ρV ·

• m · = V · / ρ

• m · = ρAcVavg

• m · = AcVavg

What does the term 'stationary systems' refer to?

• Systems with constant velocity and elevation

• Systems with variable mass

• Systems in motion

• Systems with changing energy