Question

_______________ work that occurs because of a ________ force that moves the boundary of a system.

(a) Mechanical, Mechanical

(b) Electrical, Electrical

(c) Shaft, Shaft

(d) Flow, Flow

I have been asked this question during an interview for a job.

This interesting question is from Energy Balances in division Energy Balances of Chemical Process Calculation

Answer 1

The correct answer is (a) Mechanical, Mechanical

Easy explanation: Mechanical work that occurs because of a Mechanical force that moves the boundary of a system.