For many of the positions at BNSF, the work can be physically demanding. Your interviewer has grown accustomed to interviewing candidates who are capable of meeting the physical requirements of the job, as well as those who want to believe they are up to the task. They are also interested in distinguishing those candidates who are thoroughly familiar with the job requirements and took time to prepare for their interview versus those who are not.

Thoroughly familiarize yourself with the physical expectations of the job, and with what to expect after you are offered a job. Many positions require their employees to "work both indoors and outdoors in extreme weather conditions (hot, cold, rain, snow, and sleet), working in a shop or field environment, climbing ladders, walking on uneven surfaces safely and walking on elevated grated surfaces." Additionally, many will be required to "undergo a Physical Capabilities Test" where you'll perform strength testing both on and off exercise equipment, testing your physical capabilities before risking your safety on the job.