AND ANSWERS
What is a nozzle used for on a pressure vessel shell? - Answer-it is used to attach
fittings to the vessel
Who would be one of the most important reviewers of a new SOP? - Answer-An
operator from that area
The amount of heat absorbed by water when it evaporates at atmospheric pressure is -
Answer-2257 kJ/kg
Which of the following statements is true? - Answer-If there is a temperature difference
between a heat source and a cooler object in contact with the source, heat will be
transferred to the cooler object.
What are the welds called which are carried out on the parts of a pressure vessel which
directly contains the internal forces generated? - Answer-pressure boundary welds
When working with high voltages the following precautions should be observed: -
Answer-access should be locked, allowing only authorized personnel to enter
Which is NOT an advantage of the visual method of non-destructive testing? - Answer-It
can detect sub-surface discontinuities
During an injury related investigation by an OH&S officer, work being done at the work
site may be suspended: - Answer-Until any serious safety hazards are corrected
Arc welding produces: - Answer-a puddle of molten metal at the electrode tip
To lessen long term environmental impact after plant closure, part of the approval
process for a new industrial facility is the requirement for:
Select one: - Answer-a reclamation plan.
Power Engineers document the shift activities each shift in log books, which
are________ - Answer-Legal documents, required by most jurisdictions in Canada
A 7m long bar of negligible mass is supported on a fulcrum, situated 4.7m from the left
end. A 13.5N force is applied downward at the right end of the bar. What force is
required at the left end for equilibrium? - Answer-6.61 N
, A bimetal thermometer consists of: - Answer-Two dissimilar metals welded together.
What are the main component metals of "white metal"? - Answer-lead and tin
Industrial stack emissions are - Answer-reflective of the type of fuel being burned
A Van Stone flange is fitted ___________ on a pipe: - Answer-Loosely
Which one of the following fusion welding is a totally manual process? - Answer-oxy-fuel
The state of matter of a particular substance is dependent on its: - Answer-Temperature
and pressure
The "flash point" of a flammable liquid is the temperature at which: - Answer-the liquid
will produce enough vapour to form a flammable mixture when mixed with air
On a P&ID, symbols are used for instrumentation the first letter stands for - Answer-
What is being measured
The low water fuel cutoff is a device fitted to the boiler to shut the: - Answer-Fuel valve if
the water level becomes too low
The unit of measure for work in the SI system is: - Answer-Joules
The purpose of the non-return valve on a boiler is to_____________________. -
Answer-Prevent the back flow of steam into the boiler
The ratio between the ultimate strength and the allowable stress is called the - Answer-
Safety factor
The efficiency of a combined cycle plant, using a pressurized fluidized bed boiler, is
about _____ higher than that of a conventional pulverized coal plant. - Answer-5%
A Bourdon tube may be manufactured in the shape of a helix so that
_______________________ than a standard bourdon tube - Answer-It has enough
power and rotation to move the pens of a recorder without the use of gears
If a substance goes through a process that changes its composition so that it is no
longer the same substance, then the substance has undergone a: - Answer-Chemical
change
By doing this, waste disposal can be made to be more effective. - Answer-Treat the
waste
Which of these is a normal type of maintenance: - Answer-Preventative maintenance