2. Thermodynamics

Thermodynamics Lab — Quiz

Test your understanding of thermodynamics lab with 5 practice questions.

Practice Questions

Question 1

Which instrument is commonly used to measure the volumetric flow rate of fluids in a thermodynamics lab experiment?

Question 2

Brake thermal efficiency in an internal combustion engine test is defined as the ratio of the brake power output to which of the following?

Question 3

A single-cylinder engine test yields a brake power of 5 kW. The fuel consumption rate is 0.002 kg/s with a lower heating value of 43 MJ/kg. What is the brake thermal efficiency η₍bth₎?

Question 4

In a counterflow heat exchanger experiment, the log mean temperature difference (LMTD) is used because:

Question 5

During a refrigeration lab, the cooling effect measured is 4 kW while the compressor power input is 1 kW. What is the coefficient of performance (COP) of the system?