Power Engineering: 3A2-1 Questions
and Answers.
According to the Regulations, a vessel used to store gas, vapor or liquids under pressure is called
a
A) pressure cylinder.
B) gas cylinder.
C) pressure vessel.
D) pressure tank.
E) reactor. - Answer C
According to the Regulations, valves, gauges and regulating or controlling devices attached to
the boiler are called
A) fittings.
B) pipework.
C) auxiliary equipment
D) Controllers
E) Auxiliaries - Answer A
The primary purpose of boiler and pressure vessel legislation is to
A) specify boiler design parameters.
B) generate revenues for the government.
C) license power engineers.
D) safeguard life and property.
E) reduce plant operating costs. - Answer D
According to the Regulations, a power engineer who is in charge of a plant under the
supervision of a chief engineer is called the
A) shift engineer.
B) relief engineer.
C) assistant engineer.
D) shift operator.
E) assistant chief engineer. - Answer A
, Regulatory authorities may select and test, at the manufacturer's expense, any registered fitting
designed under the CSA B51 Code.
A) True.
B) False. - Answer A
A boiler drum is made of SA-515-70 steel and has a ligament efficiency of 0.66. If the steam
temperature is 280oC, the inside diameter of the drum is 1.6 m and the drum thickness is 74.27
mm, what will be the maximum operating pressure in kPa?
A) 2500 kPa
B) 3850 kPa
C) 7893 kPa
D) 10 280 kPa
E) 11 960 kPa - Answer C
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) 50 mm
B) 25.4 mm
C) 72.96 mm
D) 65 mm
E) 40 mm - Answer A
A watertube boiler is gas-fired and has 50 m2 of boiler heating surface, plus 70 m2 of water wall
surface. What is the minimum required relieving capacity for all the safety valves?
A) 7910 kg/hr
B) 9800 kg/hr
C) 8250 kg/hr
D) 6500 kg/hr
E) 5452 kg/hr - Answer A
and Answers.
According to the Regulations, a vessel used to store gas, vapor or liquids under pressure is called
a
A) pressure cylinder.
B) gas cylinder.
C) pressure vessel.
D) pressure tank.
E) reactor. - Answer C
According to the Regulations, valves, gauges and regulating or controlling devices attached to
the boiler are called
A) fittings.
B) pipework.
C) auxiliary equipment
D) Controllers
E) Auxiliaries - Answer A
The primary purpose of boiler and pressure vessel legislation is to
A) specify boiler design parameters.
B) generate revenues for the government.
C) license power engineers.
D) safeguard life and property.
E) reduce plant operating costs. - Answer D
According to the Regulations, a power engineer who is in charge of a plant under the
supervision of a chief engineer is called the
A) shift engineer.
B) relief engineer.
C) assistant engineer.
D) shift operator.
E) assistant chief engineer. - Answer A
, Regulatory authorities may select and test, at the manufacturer's expense, any registered fitting
designed under the CSA B51 Code.
A) True.
B) False. - Answer A
A boiler drum is made of SA-515-70 steel and has a ligament efficiency of 0.66. If the steam
temperature is 280oC, the inside diameter of the drum is 1.6 m and the drum thickness is 74.27
mm, what will be the maximum operating pressure in kPa?
A) 2500 kPa
B) 3850 kPa
C) 7893 kPa
D) 10 280 kPa
E) 11 960 kPa - Answer C
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) 50 mm
B) 25.4 mm
C) 72.96 mm
D) 65 mm
E) 40 mm - Answer A
A watertube boiler is gas-fired and has 50 m2 of boiler heating surface, plus 70 m2 of water wall
surface. What is the minimum required relieving capacity for all the safety valves?
A) 7910 kg/hr
B) 9800 kg/hr
C) 8250 kg/hr
D) 6500 kg/hr
E) 5452 kg/hr - Answer A
