Basic Concept of Thermodynamics

“Air in a rigid container is heated from 300^oC and 200 kPa to 250^oC.” Determine the type of process involved in this statement.

• Isothermal

• Isochoric

• Isobaric

• Adiabatic

Water thermos is an __________ system that prevent the heat transfer into or out from it.

• open

• stationary

• steady

• adiabatic

To determine the state of simple compressible system, we need at least _____________ intensive properties and it must be ____________ of each other.

• three, dependent

• two, dependent

• two, independent

• three, independent

Which thermodynamics law is a basic validity of temperature measurement?

• Zeroth Law of Thermodynamics

• First Law of Thermodynamics

• Second Law of Thermodynamics

• Third Law of Thermodynamics

Is Bandung Soda drink a pure substance?

• Yes

• No

“Nitrogen is now compressed slowly according to the relation PV^1.4 = C until it reaches a final temperature of 360 K.” Determine the type of process involved in this statement.

• Isochoric

• Isobaric

• Polytropic

• Isothermal

If only saturation pressure and saturation temperature is given, could you find the specific volume of the water?

• Yes

• No

How to find the properties of water if pressure and specific volume of water is given?

• Steam table

• Ideal gas equation

For Q9 till Q14, find the state of water based on the statements given.

Pressure of water is less than saturation pressure for given temperature.

• Compressed liquid

• Saturated liquid

• Saturated mixture

• Saturated vapor

• Superheated vapor

Temperature of water is lower than saturation temperature for given pressure.

• Compressed liquid

• Saturated liquid

• Saturated mixture

• Saturated vapor

• Superheated vapor