1. When you measure the voltage drop across a set of contacts, you're O A. measuring the equivalent motor resistance. O B. checking the quality of the contact set. O C. checking the incoming voltages. O D. sensing how much current is flowing in the circuit. Question 2 of 20 : Select the best answer for the question 2. The cat chain of an overhead chain conveyor should be changed on a PM schedule of every A. year B. six months O C. two years O D. three months. 3. An electric motor with sealed bearings O A. should be greased with low-pressure-type grease. O B. should be disassembled and lubricated every six months C. will require fresh oil every two years. D. won't require lubrication Question 4 of 20 : Select the best answer for the question 4. When you're first starting a PM program, and you want to check motor starter and contactor contacts, how often should you perform a inspection on the device? A. Every month B. Every year O C. Every two months OD. Every six months Question 5 of 20 : Select the best answer for the question 5. When you're dealing with a PM task for a drive-belt form of conveyor, and you must make tracking adjustments to the ben you should O A. make a small adjustment, then continue with small adjustments as needed O B. make a large adjustment in one direction and bring the bell back in the other direction O C. perform tracking adjustments at both ends of the belt OD pull the belt back with pliers or a belt putter and see if returns to the previous tracking marks