ABSA: 4th Class Part B - Comprehensive Exam 4 150 Multiple Choice, 4th Class Part B ,
2 views 0 purchase
Course
AC-HPAT
Institution
AC-HPAT
ABSA: 4th Class Part B - Comprehensive Exam 4 150 Multiple Choice, 4th Class Part B , Units 1
One of the legal responsibilities of the engineer during an inspection is:
Select one:
a. To notify the Workers Compensation Board of the inspection
b. Point out any known or suspected defects to the...
ABSA: 4th Class Part B - Comprehensive
Exam 4 150 Multiple Choice, 4th Class Part
B , Units 1
One of the legal responsibilities of the engineer during an inspection is:
Select one:
a. To notify the Workers Compensation Board of the inspection
b. Point out any known or suspected defects to the inspector
c. To have at least two staff members present at all times
d. To be in possession of an inspection certificate
b
The _____ tubes of a fired hot oil heater have fins on their outer surfaces.
Select one:
a. Water
b. Radiant
c. Extended type
d. Fire
c
The injection pump of a diesel engine is driven by:
Select one:
a. A camshaft
b. The governor
c. The gudgeon pin
d. Piston action
a
Ammonia, as well as being toxic, is also:
Select one:
a. A low pressure refrigerant
b. Flammable
c. Miscible with oil
d. Odourless
b
When a boiler primes, it means that:
Select one:
a. The steam vent is open, to allow it to fill
b. Water is being carried over with the steam
c. The boiler is being over fired
d. The water has not been chemically treated
b
The slide valve of a steam engine is designed to:
Select one:
,a. Allow steam to enter and leave the cylinder
b. Prevent the engine from over-speeding
c. Provide lubrication for the steam engine
d. Drain the condensate from the cylinder during warm-up
a
A journal bearing:
Select one:
a. Supports a shaft
b. require cooling water
c. Does not require lubrication
d. Controls thrust movement
a
Smaller spark ignition engine use ____________ to vapourize gasoline:
Select one:
a. Carburetion
b. Atomization
c. Electric heaters
d. Vapourizers
a
Heat load from people in a room is mostly affected by:
Select one:
a. The building occupancy class
b. The activity of the people
c. The number of people
d. The age of the people
b
Testing a safety valve on a boiler by pulling the try-lever
Select one:
a. Ensures the valve is free to operate
b. Takes approximately two seconds
c. Ensures the closing pressure is correct
d. Ensures the popping pressure is correct
a
The ______________ is a type of unitary air conditioning system that uses a direct expansion
refrigeration system to provide cooling and dehumidification, without using ductwork.
Select one:
a. Rooftop unit
b. Window air conditioner
c. Multi-zone system
d. Unit ventilator
b
, The property of oil that indicates its ability to support a load is:
Select one:
a. Viscosity
b. Viscosity index
c. Pour point
d. Floc point
a
The inner walls and floor of a fired heater furnace are lined with:
Select one:
a. Ceramic tile
b. Refractory
c. Asbestos blocks
d. Fiberglass insulation
b
A collar thrust bearing:
Select one:
a. Has boundary lubrication
b. Is used with steam turbines only
c. Is an anti-friction type bearing
d. Can support more load than a Michell thrust bearing
a
With regard to hot oil leaving the heater, the operating parameter of particular importance is the oil:
Select one:
a. Viscosity
b. Temperature
c. Velocity
d. Pressure
b
Buildings require heat sources to:
Select one:
a. Offset the building's heat losses
b. Replace the exhaust air
c. Replace the ventilation air
d. Offset the heat gain from the atmosphere
a
Grooving and general thinning of the condensate return system is a result of:
Select one:
a. scale build-up
b. high alkalinity
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller ACADEMICAIDSTORE. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.79. You're not tied to anything after your purchase.
