Instructions for Side by Side Printing
- Print the notecards
- Fold each page in half along the solid vertical line
- Cut out the notecards by cutting along each horizontal dotted line
- Optional: Glue, tape or staple the ends of each notecard together
B Exam 3
front 1 Which of the following extends the life of equipment? | back 1 Preventative Maintenance |
front 2 Which of the following is an example of PM? | back 2 Scheduled Service |
front 3 Exercising water systems valves is an example of which type of maintenance? | back 3 Preventative Maintenance |
front 4 How often should a plant exercise the valves in its system? | back 4 At least once a year |
front 5 Which type of gate valve do you bury? | back 5 Non-Rising Stem |
front 6 Which of the following is the most common type of valve used in water systems? | back 6 Gate Valves |
front 7 Which of the following valves is used to control the rate of flow? | back 7 Globe Valve (Also, Butterfly, Eccentric, and Plug) |
front 8 Which of the following valves is used to start or stop flows? | back 8 Gate Valve |
front 9 Using a gate valve to control flow may cause what problem? | back 9 Undue Seat Wear |
front 10 Opening and closing a valve rapidly will cause? | back 10 Water Hammer |
front 11 What does it take to fully open a plug, eccentric or butterfly valve? | back 11 One Quarter Turn (1/4) |
front 12 Which of the following pumps is most often used for delivering chemicals? | back 12 Positive Displacement |
front 13 Which of the following pumps is widely used in water systems? | back 13 Centrifugal Pump |
front 14 How do you keep a centrifugal pump primed? | back 14 Install a Foot or Check Valve |
front 15 What is the recommended maximum suction lift? | back 15 15' |
front 16 The formation and collapse of a gas pocket or air bubbles on the blade of an impeller or gate valve is called? | back 16 Cavitation |
front 17 The sound of marbles in a pump is called? | back 17 Cavitation |
front 18 Loud noises in a pump that sound like someone is hitting the impeller with a hammer are called? | back 18 Cavitation |
front 19 What is the purpose of the lantern ring? | back 19 Water Seal |
front 20 The seal water pressure should be? | back 20 Five (5) PSI higher than pump discharge PSI |
front 21 What is Brinelling? | back 21 A type of bearing failure |
front 22 What is a multi-stage pump? | back 22 Pump with more than one (1) impeller |
front 23 What do you call a metal plate that is on equipment and lists critical operating criteria for the equipment? | back 23 Nameplate |
front 24 What is the most common cause of vibration between a pump and a motor? | back 24 Misalignment of the couplings |
front 25 What tool do you use to align the couplings? | back 25 Dial Indicator; Caliper |
front 26 When an impeller is running backwards, what action must you take? | back 26 Switch any two leads |
front 27 What is the purpose of a wear ring? | back 27 Plug Internal Leakage |
front 28 Where is the wear ring located? | back 28 Between the impeller and the casing |
front 29 Before working on a motor, what must you do? | back 29 Lockout and Tag |
front 30 How do you install packing for a pump? | back 30 One strip at a time and staggered |
front 31 When suitable for the process, mechanical seals are preferred over packing | back 31 Less labor intensive |
front 32 When should you adjust the packing of a pump? | back 32 When the pump is running |
front 33 When half the mechanical seal is bad, what must you do? | back 33 Replace the whole seal |
front 34 How do you replace a mechanical seal? | back 34 You must take the whole pump apart |
front 35 Before starting a pump that has mechanical seals, what must you verify? | back 35 Make sure the seal is submersed in water |
front 36 Which of the following is not a reason for a motor failure? | back 36 Pump not connected to motor |
front 37 Besides a plant logbook, what other record must be kept? | back 37 Maintenance Record |
front 38 What is the purpose of a limit switch? | back 38 Limits the travel of a chain or belt |
front 39 What is the purpose of a shear pin? | back 39 Protect equipment from damage - Breaks/gives before damage can occur. |
front 40 At the end of a suction or in-take line there is generally a? | back 40 Screen to prevent debris from getting in |
front 41 When should you lubricate a pump? | back 41  |
front 42 The horizontal section of a suction pipe should? | back 42 Slope upward to the pump |
front 43 What is the purpose of sloping the pipe upward? | back 43 Prevent air pockets |
front 44 Seventy-five percent (75%) of centrifugal pump problems can be attributed to? | back 44 Suction Side |
front 45 Suction piping should be a minimum of one size ________ than the pump suction/inlet nozzle. | back 45 Larger |
front 46 Pumps should be operated at or near their __________ ? | back 46 Rated Heads |
front 47 What is the most common reason for a pump's failure to deliver at its rated | back 47 Air Leak |
front 48 What causes the most damage to an impeller? | back 48 Air |
front 49 Never operate a positive displacement pump against a? | back 49 Closed discharge valve |
front 50 When lubricating a bearing, you must first? | back 50 Open the drain plug from the bearing housing |
front 51 Changing and flushing oil on equipment should be performed according to manufacturer's specs and? | back 51 At least every 600 hours/3 months |
front 52 What is the first thing you should do when working on equipment that you aren't familiar with? | back 52 Read Manufacturer's manual and/or call manufacturer |
front 53 When a plant process has more than one pump, how you should operate the pumps? | back 53 Alternately |
front 54 Before starting a pump for the first time, you should? | back 54 Lubricate it |
front 55 Which of the following is a daily maintenance task for an air compressor? | back 55 Drain the air receiver (tank) |
front 56 What is the major difference in the modern gate valves and the older styles? | back 56 Ans. You can repair them in place |
front 57 What is used to measure current? | back 57 Ampere |
front 58 What term is used to measure resistance? | back 58 Ohms |