Power Engineering 3A2 - 1 Quiz Review
With All Questions and Answers
In British Columbia, qualified and authorized boiler and pressure manufacturers must
register the design of the equipment they are manufacturing with the
A) National Board.
B) Association of Chief Inspectors.
C) Provincial safety manager of the BC Safety Authority.
A
D) Canadian Standards Association.
E) American National Standards Institute.
VI
C
TU
The Power Engineers, Boiler, Pressure Vessel and Refrigeration Safety Regulation
does NOT apply to: (select all that apply)
1) a high pressure steam boiler with heating surface of 2 square meters or less.
2) a low pressure steam boiler with heating surface of 5 square meters or less.
IS
3) a fluid plant used to heat a building that contains only 4 or fewer self contained
residential units.
4) a pressure vessel that is operating at or with relief valves set at a pressure of 103
OM
kPa or less
5) refrigeration plant with less than 5 KW prime mover nameplate rating.
A) 1, 2, 3
B) 1, 3, 4, 5
NA
C) 2, 3, 4, 5
D) 1, 2, 3, 4, 5
B
JP
A person holding a certificate of qualification 4th class or higher may (select all that
apply)
1) work on class 2 wiring up to a rated output of 100 volt amps.
2) connect branch circuit wiring in close proximity to the boiler.
3) work on 3 phase motors or controllers integral to the boiler.
4) alter regulated equipment without obtaining a permit.
5) work on low voltage controls.
,A) 1, 2, 3
B) 1, 2, 3, 4
C) 1 , 2, 3, 5
D) 2, 3, 5
C
You have 10 years of experience in the operation of a large heating plant located in
another country, and you have an operator's certificate from there. When you apply for a
job at a similar plant in British Columbia, the personnel manager indicates that you
A
cannot be hired as you do not have a BC boiler operator's or a power engineer's
certificate of competency. According to the Regulations, is the personnel manager
VI
correct in his assumptions?
A) Yes
B) No
TU
A
Fusible plugs are fitted
IS
A) in the boiler steam drum.
B) on all water tube boilers operating above 103 kPa.
C) on solid fuel fire-tube boilers operating above 103 kPa.
OM
D) on all fire-tube boilers.
E) on gas fired fire-tube boilers operating above 103 kPa.
C
NA
You have been employed for 3 months as a shift engineer in the operation of a power
plant of 90 square meters heating surface. You have satisfied the general requirements
for an engineer's certificate. How much longer do you have to work in order to satisfy
the qualifying time requirements to write the final Paper of the Interprovincial Third
Class Examinations?
JP
1)
six months.
2)
nine months.
3)
twelve months.
4)
twenty four months.
, 5)
thirty six months.
B
Calculate the required thickness, in mm, of a superheater outlet header, operating at
500oC and having a maximum allowable working pressure of 18.5 MPa. The header
material is SA-335-P11, and the outside diameter is 457.2 mm.
A) 49.20 mm
B) 45.23 mm
A
C) 54.35 mm
D) 22.14 mm
VI
E) 38.26 mm
A
TU
Calculate the thickness of a seamless blank unstayed dished head having pressure on
the concave side. The head has a diameter of 830 mm and is a segment of a sphere
with a dish radius of 615 mm. The maximum allowable working pressure is 1650 kPa,
IS
the material is SA-299 and the metal temperature does not exceed 200oC.
A) 15.13 mm
B) 7.14 mm
OM
C) 13.35 mm
D) 10.25 mm
E) 5.22 mm
B
NA
Calculate the minimum required plate thickness, in mm, of a superheater outlet header,
operating at 500oC and having a maximum allowable working pressure of 17 MPa. The
header material is SA-209 grade T1b-plain end, and the outside diameter is 457.2 mm.
A) 72.96 mm
JP
B) 50 mm
C) 65 mm
D) 40 mm
E) 25.4 mm
B
The heating value of a coal is determined by
