NG1S242 (Quiz 1)

What is the definition of thermodynamics?

• The energy available to do work

• The study of the relationship between heat, work, and energy

• The amount of heat it takes to move an engine

• The movement of heat

In a closed system, heat and work but not mass of the working substance, can cross the boundary of the system.

• true

• false

When there is mass transfer across the system boundary, the system is called

• isolated system

• closed system

• open system

• no answer

When a system changes from one equilibrium state to another, the path taken between these states is known as

• thermodynamic law

• thermodynamic cycle

• thermodynamic state

• thermodynamic process

The processes occurring in open system which permit the transfer of mass to and from the system, are known as

• flow processes

• non-flow processes

• adiabatic processes

• no answer

The surface of the control volume is known as the control surface.

• true

• false

Steady flow means that the rates of flow of mass and energy across the control surface

• varies

• remains constant

•  increases

• decreases

The absolute thermodynamic temperature scale is also known as

• celsius scale

• fahrenheit scale

• Rankine scale

• kelvin scale

What is the correct formula to convert Celsius to Kelvin?

The absolute zero temperature is taken as