RACHP UNIT 202

What temperature scale must be used for thermodynamic temperature calculations

• Rankine

• Celcius

• Fahrenheit

• Kelvin

Si unit for kilogram

• Power

• Mass

• Weight

• Force

Which temperature increments are the same

• rankine Fahrenheit

• Celsius, Kelvin

• Fahrenheit Celsius

• rankine Celsius

AbsoIute zero is

• -273 Celsius

• .-273 Kelvin

• -373 Celsius

• -373 Kelvin

Convert -20 Celsius to Kelvin

• 233 Kelvin

• 253 Kelvin

• 273 Kelvin

• 293 Kelvin

What describe the second law of thermodynamics

• Energy can only be converted

• work done on the substance heat is produced

• Heat will flow from hot to cold

• Evaporator temperature must be higher than air temperature

Temperature is defined as

• heat addition to a substance

• Heat content of a substance

• entropy of substance

• Work done on the substance

Heat and work are which thermodynamic law

• Charles law

• Boyles Law

• 1st thermodynamic law

• 2nd thermodynamic law

Heat energy transferred by conduction is

• solid

• liquid

• Gas

• Fluid

The Sl unit for heat

• Calorie

• joule

• .Pascal

• watt