Select the choice which best answers the following: How is the retaining nut on thrust bearings secured? a) Hand tighten the nut b) Use needle nose pliers c) Bend the lock washer tab in place d) Use a ratchet wrench and socket

Select the choice which best answers the following: Prior to disassembly, lockout and tagout the: a) Recirculating valves b) Piping c) Pump shaft d) Suction cover II

Select the choice which best answers the following: For your own safety.prior to working on a pump, what should you know about the system? a) Nature of the fluid b) Maintenance record c) Manufacturer's specifications d) Hours of use

Select the choice which best answers the following: What should you look for on pump frame flanges and bearing seat areas? a) Manufacturer serial numbers b) Burrs c) Pitting d) Fretting m

Select the choice which best answers the following: Low flow rate can indicate: a) An empty sump b) A bent shaft c) Malfunctioning speed regulator d) Worn bearings

Select the choice which best answers the following: A badly spun bearing can cause: a) Cavitational distortion b) Packing burns c) Scoring of the shaft d) Oscillatory differentiation 00

Select the choice which best answers the following: What can a motor that runs hotter than usual indicate? a) The pump is drawing more than normal power b) The motor is connected to foreign voltage source c) The pump is operating at under capacity d) The viscosity of the fluid being pumped is too thin for the size of the pump II

Select the choice which best answers the following: If you disassemble the stuffing box, what should you do with the packing gland retaining nuts? a): Inspect and store them for reassembly b) Rotate them c) Discard them and replace with new ones d) Leave them in the stuffing box II

Select the choice which best answers the following: What should a trained pump operator be able to do? a) Supervise new hires b) Identify and correct potential problems by listening to pump sounds c) Perform all pump and driver repairs d) Teach pump theory classes

What should you do if you see a LOTO Lock or Tag device on a belt system? Select the correct answer. Crawl onto the belt system to check it out Leave it alone and do NOT remove the device Check first, then start the belt to retrieve the stuck bags

Hot Questions

9 Multiple Choice 1 point Which of the following is not a measurement function of a DMM? Pressure Voltage Continuity Resistance

An oilless lubricating system uses a well or reservoir in the end bell. A True B False Question 8 Which of the following statements about replacement capacitors is false? A They should have the same capacitance value as the original. B They should have a capacitance value up to $25\% $ greater than the original. C They should never be undersized. D They may have a capacitance value up to $10\% $ greater than the original.

Split-phase motors use a(n) __ to disconnect the start windings as the motor approaches running speed. A unloader B VFD C squirrel cage rotor D centrifugal switch Question 12 On a capacitor-start,induction-run motor, a centrifugal switch or relay disconnects __ when the motor reaches about $75\% $ of its rated speed. A the start winding only B the start capacitor only C both the start winding and start capacitor D both the start capacitor and run capacitor

Just before lifting off a rotary wing pilot must check the weather at the scene for a medical transport. In addition the pilot must also: Know the condition of the patient. Check the weather at the receiving hospital. Inventory all equipment on board the aircraft. Know the experience of the crew setting up the landing zone.

Advantages of ECMs include the following, except __ A ability to maintain constant airflow B easily replaceable brushes C efficient performance D variable speed Question 22 Important motor information such as rated voltage time rating, insulation class frequency, phase, and horsepower can be found on the __ A motor frame B motor nameplate C bearings D shaft

Which type of discontinuity is NEVER visible during visual inspection? underbead cracking porosity toe cracks undercut

The NEC in Table 210.24 shows that the minimum conductor size for branch-circuit wiring is __ 16 AWG 20 AWG 18 AWG 14 AWG

424170 What is the minimum number of trenches that should be dug across a truck-bed, railcar, or barge to acquire a representative sample? 3 (three) 4 (four) 5 (five) 7 (seven)

Nickel alloys should not be heat-treated. Select one: True False

The operator interface audible alarm sounds when there is a hydrogen event. Select true or false. True False