Air is being forced by the bicycle pump into a tyre against a pressure of 4.5 bars. A slow downward movement of the piston can be approximated as
A. isobaric process
B. adiabatic process
C. throttling process
D. isothermal process
Answer:D
Air is being forced by the bicycle pump into a tyre against a pressure of 4.5 bars. A slow downward movement of the piston can be approximated as
A. isobaric process B. adiabatic process C. throttling process D. isothermal process