ip reviewer Flashcards
What rating do safety glasses need in order be useable on a Canadian worksite?
-CSA
what is the next step once a magnetic phase drill is placed in the overhead position?
-Secure with retaining device
A 205 L Drum of hydraulic oil has been Punctured and an oil spill is discovered on job site, what is done?
-Secure area, notify supervisor, follow safe handling procedure, then stop the leak
What is the primary purpose of performing lockout procedure?
-To bring the equipment to a zero energy state
Which hacksaw blade is used to cut 1/16” thick plate steel?
24
What is the purpose of the ring test?
-To check the integrity of the grinding wheel
When using a vertical pipe milling machine with a vise what is done 1st?
-Square the vise jaw on the table
What is the procedure to construct a bandsaw blade?
- Cut to length, grind the ends square, weld with resistance welder, anneal the blade, grind smooth
What is done before using a scaffold mounted on castors or wheels?
- Apply brakes on all the castors or wheels
An oil change service is required on a gearbox, what equipment is required to perform this task?
- Lubricant, combination wrenches, lock, empty pail and rags.
A shaft has been fabricated with an undersized bearing journal, another shaft can not be fabricated, what is done to put the shaft in service until another shaft can be fabricated?
- Install a sleeve on bearing journal
Grease is continually breaking down in a high temperature enviroment, what is done ?
- Select a grease with a higher NLGI index number
A heat source is located in line of sight, what is the procedure to determine 2 points of elevetion on machine?
- Set up the instrument, establish a reference line, record elevation, move instrument to second elavation, refer to reference line then record second elevation
Which precaution is ensured before applying chemical adhesive?
- Bonding surface are clean
Which part of the micrometer is adjusted for calibration?
- Sleeve
What is the procedure when lighting an oxyfuel cutting torch?
- turn on fuel, ignite, adjust fuel, turn on oxygen, then adjust oxygen
What do the first two digits in an welding electrode represent?
- Tensile strength in 1000s of pounds per square inch
Steel plates are 1.9 cmx 1.22 x 2.44, what is the weight of the 40 plates?
- 17757kg/m3
Which shockle pin is secured by a nut and retaining pin?
-Safety round pin
what is used to lift a loose load of pipe, without losing any lifting capacity?
-Double wrap basket hitch
What is the minimum grade of steel chain is the acceptable for rigging?
- GR. 80 or GR. 100
Which classification of wire rope is used on high speed cranes for multiple sheave hoists?
- 6x37
Which piece of rigging hardware can not be side loaded?
- Shoulder less eye bolt
What is done to maintain the sling for maximum life expectancy?
- Install softeners
When installing the motor using a dial indicator, what is the procedure to check for the soft foot?
- Tighten all mounting bolts and loosen each one individually
Upon start-up a 3 phase motor emits a loud humming noise and will not turn over what is the cause?
- Power supply is a single phase
Which type of bearing is used in a wind turbine?
- Sealed
What is done in a vertical water turbine to prevent vibration?
-Set rotor and runner clearances
The rotor of a small speed turbine is vibrating, what are the first steps to correct the problem?
-Reposition the drum and check the balance position
The rotor of a small speed turbine is vibrating, what are the first steps to correct the problem?
-Reposition the drum and check the balance position
What is used to check the bearing to shaft clearance of a split bearing?
-Prussian Blue
What is indicated on a C3 marking on a bearing?
-Greater than the normal clearance
A standby condensate return pump has not operated for a long period, it experiences bearing failure soon after start-up, what is the cause?
-False brinelling
A bearing assembly leaks oil when it is stopped, but not when it is running. what is the cause?
- Incorrect seal
When using a stethoscope which sound is heard from good running bearing?
- Constant hmmmm
An antifriction bearing with an interference fit on a shaft is being removed, what is done to avoid damaging the bearing?
- Support the inner race then apply force to the end of the shaft
Given the following information dial indicators mounted on the motor shaft, face reading recorded equals 0.000inches, total indicator on the rim equals 0.008 inches at 6 o’clock position, what adjustment is required to obtain a 0.000 inches reading?
remove 0.008’ from all 4 feet of the motor
A pump and a motor are to be connected, given the following information ambient temp 70F, temp of fluid to be pumped 180F pumps coefficient of expansion 0.00063 pump base to shaft centerline 12 inches. how much vertical offset is required?
0.8316
A pneumatic clutch on a line shaft engages slowly, what is the cause?
- Insufficient air volume
After a routine oil change a gear box is running excessively hot, what is the cause?
- Incorrect oil viscosity
Which type of lubricant is required for use in a hypoid gear reducer?
-Lubricant with EP additive
When maintaining a V-belt driven gear reducer what is the last step before safety locks are removed?
- Reinstall belt guards
When checking for excessive wear on internal gears in a closed gear reducer using vibration analysis method, what is the procedure?
- Clean surface, mount pickup on axis cover, then record readings
What is the sequence to align a compressor, a gearbox and a motor?
- Align the gearbox to the compressor, then align the motor to the gearbox
A dial indicator contacting on the rim of the pump coupling reads 0.014 inches at the 6 o’ clock position what is the required shim correction?
- Remove 0.014 inches shims under all feet of the motor
Which condition will cause inaccurate readings when using a laser alignment tool?
- Dirt on lens
Which personal injury can result from misuse of a laser alignment tool?
- Eye damage
What is verified when maintaining robotics equipment lubricant?
- Correct type of lubricant and change interval and viscosity
An industrial induced draft fan and motor are to be installed on a concrete foundation, what are the first steps to perform this task?
- Establish centre, datum and reference lines
What is the cause of excessive internal noise on a lobe type blower?
- Timing gear wear
What is the procedure to clean fan blades?
- Lockout system, clean, check for damage, then restart
What is the procedure to set end play on a fan shaft to compensate for heat expansion?
Lockout system, not sure after that lol
A wet screw compressor has oil in the receiver what is the cause?
- Leak in the coalescent filter
Which reciprocating compressor component releases cylinder pressure to reduce the load on the the motor during start up?
- Unloading valve
What is used to remove mineral scale from a compressor intercooler?
- Manufacturer approved acidic solution
What is done to stop a leak at a compressor outlet flange face?
- Release the pressure, replace the gasket then tighten the flange
What is done to a new pressure vessel before initial use?
- Clean purge then pressure test the vessel
What is the purpose of a level indicator in a storage tank?
- To maintain the correct amount of the product
When maintaining process piping what is done to strainers?
- Clean
A process holding tank is leaking at the outlet flange how is the leak repaired?
-
100 question
- Speed control in one direction
What is the minimum area of a piston required to support a load of 3064lbs with a supply pressure of 800 psi?
- 3.83
A hydraulic pump displacement is 17 GPM and the reservoir size is 17 gallons. the system experiences above normal operating temp while running. what is the cause?
- Insufficient reservoir capacity
During an inspection of hydraulic system, its sounds as if gravel is passing through the hydraulic pump what is the cause?
- Restriction of the pump inlet
A fitting in a hydraulic system is leaking, what is cause?
- Damage furrow
Air and oil filters are being replaced during routine maintenance on a hydraulic system, the pump continues to cavitate upon start-up. what is done next?
- Clean reservoir inlet screen
Air and oil filters are being replaced during routine maintenance on a hydraulic system, the pump continues to cavitate upon start-up. what is done next?
- Clean reservoir inlet screen
Pump is operating normally , the suction side filter is replaced with a filter of the same micron rating, the pump begins to rattle on start-up, what does this indicate?
- Aeration
On a hydraulic motor that is driving a fan the rpm of the fan is too low. What is done?
- Adjust the flow control valve
What is the procedure to replace a faulty hydraulic grid valve?
- Isolate, drain, confirm zero energy, disconnect, replace valve, reconnect, then energize
A hydraulic hose has a small leak. What is done?
- Lockout, verify and confirm zero energy, clean, remove then replace
What is done after repairing an accumulator bladder?
- Open isolation valve, charge bladder, closed bleed valve
When installing new pneumatic system what is the sequence of installation?
- Filter, Regulator, Lubricator
When installing a pneumatic system, what is the sequence of the installation?
- Intercooler, aftercooler, dryer
A circuit design to move the accumulator at reduced speed in both directions the actuator is moving to the in one direction at full speeds. What is the cause?
-Incorrect speed setting at flow control valve
What is an indicator on changing a intake filter on an air compressor?
- Off the side
Which test detects cracks in aluminum fan blades?
- Dye and pin
HOW does an increase in temperature effect oil?
Viscosity index