Engineers Questions with accurate answers
A group "B3" refrigerant is:
a. Sulphur dioxide
b. Most toxic of the three groups
c. Least flammable of the three groups of refrigerant
d. Carbon dioxide
e. Ammonia. Ans✓✓✓ b
A Third Class Engineers Certificate of Competency qualifies the holder
to take charge as Chief Engineer of a power plant not exceeding:
a. 3000 kW
b. 2000 kW
c. 10,000 kW
d. 5000 kW
e. 50,000 kW. Ans✓✓✓ d
Alberta requires boilers and pressure vessels to be inspected during
fabrication by an inspector holding a:
a. National Board Commission.
b. Degree in Mechanical Engineering.
c. First Class Engineers Certificate.
d. Second Class Engineers Certificate.
e. Third Class Engineers Certificate. Ans✓✓✓ a
, Ammonia may be identified by using:
a. R-40
b. R-717
c. R-764
d. R-114
e. R-611. Ans✓✓✓ b
An inspector has the right to demand the removal of some brickwork in
order that he may determine the condition of the:
a. Alignment of the steam header
b. Furnace, supports or other parts
c. Cyclone separators
d. Oil atomizing steam line
e. Tube alignment and cleanliness. Ans✓✓✓ b
Brine means any liquid that is used without a change in its state for the
transmission of heat and has either no flash point or one above:
a. 75.5°C
b. 40.5°C
c. 65.5°C
d. 50.5°C
e. 90.5°C. Ans✓✓✓ c