GMJ 9189 Phase 2 Scientific MCQ

Front

What does the symbol ∆t represent?

Back

Difference in temperature

Front

What is the pressure acting upon the lowest part of a system with a static head of 11.6m?

Back

116,000 pascals

Front

What term describes the energy used to change the state of a substance which is released during evaporation?

Back

Latent heat

Front

What is the specific heat capacity for water under atmospheric conditions?

Back

4.18kj/kg/⁰C

Front

How can pressure be defined?

Back

Force divided by area

Front

What is the formula for calculating pressure?

Back

Pressure = Force / Area

Front

What is the unit of pressure in the SI system?

Back

Pascal (Pa)

Front

What is latent heat?

Back

The energy absorbed or released during a phase change of a substance without changing its temperature.

Front

What is sensible heat?

Back

The heat exchanged by a thermodynamic system that results in a temperature change.

Front

What is specific heat capacity?

Back

The amount of heat required to raise the temperature of 1 kg of a substance by 1°C.