Mechanical Aptitude Test Practice Test
Mechanical Aptitude Test Mechanical Aptitude Heat Transfer and Thermodynamics Questions and Answers 3
A bimetallic strip in a thermostat bends when heated because:
Select your answer
A
Both metals expand at identical rates, creating stress
B
The two bonded metals have different coefficients of thermal expansion
C
One metal conducts heat faster than the other
D
The strip absorbs radiant heat unevenly
Hint