This question is good to start with because it immediately tests a candidate's technical knowledge. A candidate should have a clear idea of how diesel reconditioning works. Here is what to look for in a successful answer:

• Ability to recondition diesel engines
• Ability to use heavy machinery and engine lathers
• Ability to communicate the benefits of services

Diesel mechanics will undoubtedly encounter unhappy customers. A strong diesel mechanic candidate needs to have a balance between technical skills and interpersonal skills. Here is what to look for in a successful answer:

• Ability to remain calm in difficult situations
• Ability to communicate with customers and find solutions to their problems
• Ability to remain positive and respectful 

Diesel mechanic candidates need to have a clear idea of what a good mechanic does. Good candidates should have a holistic view toward their responsibilities and skills. Here is what to look for in a successful answer: 

• Ability to understand technical documents
• Strong attention to detail
• Ability to demonstrate an analytical mindset

It's important to understand what kind of skills a candidate possesses before hiring them. Here, an interviewee must demonstrate that they have the skills and expertise required to contribute to your team. Here is what to look for in a successful answer:

• Knowledge of the open job position
• Knowledge of which qualifications are required for diesel mechanics
• Knowledge of which qualifications the open position requires

This question will identify whether a candidate takes responsibility when they make mistakes. It can also help you determine how they handle obstacles and roadblocks when they're working on a task. Here is what to look for in a successful answer:

• Demonstrated problem-solving skills
• Ability to take responsibility for mistakes
• Demonstrated ability to propose solutions when errors occur

Diesel mechanics work closely with other professionals and often work with several other mechanics during their shifts. You need to make sure your candidate can maintain good interpersonal relationships with their coworkers. Here is what to look for in a successful answer:

• Respect for coworkers
• Ability to compromise and work well with others
• Demonstrated ability to communicate boundaries

This question tests a candidate's technical knowledge. Moreover, it tells you whether the candidate has hands-on experiences with these tests. Here is what to look for in a successful answer:

• Knowledge of why drop voltage tests are performed
• Experience performing drop voltage tests
• Strong technical skills

This question will inform you as to whether the diesel mechanic in question has hands-on experience in the field. It also gives you insight into which problems the mechanic considers to be common. Here is what to look for in a successful answer:

• General knowledge of diesel vehicles
• Demonstrated hands-on experience
• Technical knowledge of diesel vehicles

This question will show you not only what the candidate perceives their role to be, but it also tells you which responsibilities they're used to having. Here is what to look for in a successful answer:

• Proven real-life experience
• Demonstrated technical knowledge
• Ability to repair

This question provides you with information into the candidate's perception of themselves. It also tells you how candidates fit into your team. Here is what to look for in a successful answer:

• Extensive technical knowledge
• Strong leadership skills
• Appreciation for coworkers

This question will provide you with information about how the candidate is qualified to take the job. It also informs you of any certifications that make them a more ideal candidate than their competition. Here is what to look for in a successful answer:

• Knowledge of certifications
• Demonstrated willingness to learn
• Demonstrated willingness to obtain additional certifications

Diesel mechanics can specialize in different types of vehicles. Knowing the answer to this question will identify how the candidate can contribute to the team. Here is what to look for in a successful answer:

• Knowledge of specialties
• Demonstrated passion for this profession
• Experience with different types of vehicles

The answer to this question can show you whether the candidate has the theory to back up their personal experience. They'll also explain which engines they have experience working with. Here is what to look for in a successful answer:

• Ability to work with several engines
• Demonstrated appreciation for diesel engines
• Ability to prove real-life experience

This question provides you with an idea as to what the candidate's limits are and what situations you should avoid putting them in. Here is what to look for in a successful answer:

• Demonstrated understanding of the profession
• Enthusiasm for the role
• Ability to remain respectful when providing opinions

This question is a good question to break the ice or to end an interview. It asks the candidate to explain their perception of the role of diesel mechanics. Here is what to look for in a successful answer:

• General understanding of the profession
• Demonstrated appreciation for the field
• Ability to understand technical language