Whether you have the solution manual or not, focus on these core areas. Each is heavily tested in technician exams:

However, a solution manual is not a shortcut. If you copy answers without understanding the derivation, you will fail practical exams and jeopardize your career as a technician.

Chegg Study offers step-by-step solutions for thousands of engineering problems. While not specific to Drotsky, you can search by problem statement. Use it to learn one problem type, not to copy entire homework sets.

Ensure that any resource you use, especially if you're paying for it, is used within the bounds of copyright law. Many educational resources are licensed for personal use only.