Ref-B Practice Exam Questions And Answers Graded A+.
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Ref-B Practice Exam Questions And Answers Graded A+.
What is a jurisdiction? - correct answer. Each province and territory is its own jurisdiction
Explain the intent of the regulation's governing the operation of boilers and pressure equipment? - correct answer. To give the dire...
Ref-B Practice Exam Questions And
Answers Graded A+.
What is a jurisdiction? - correct answer. Each province and territory is its own
jurisdiction
Explain the intent of the regulation's governing the operation of boilers and pressure
equipment? - correct answer. To give the director or administrator of the department
or branch or government a means of evolving, within the framework of the intent of the
act, to meet changes in technology, concept, and the use of those variables listed within
the scope of the act.
Is it more difficult to change an act or a regulation? - correct answer. The main or
primary document is an "act" which must be passed through the jurisdictional
legislature. The act then has "regulations" which are pursuant to the enforcement of the
act. These regulations are usually under the governance of an official of the government
rather than the actual legislature. As a result, it is much easier to have changes made to
a regulation than it is to have changes made to an act.
What jurisdictional item or legislation is most important to a person interning time make
power engineering a career choice? - correct answer. Power engineers acts and
regulations
What two Canadian national codes have been adopted by all jurisdictions - correct
answer. CSA B51 and CSA B52
List some of the penalties which may be applied to the holder of a certificate of
competency - correct answer. The regulation will also refer to penalties which may be
listed in the pertinent jurisdictional act. These can be fines, certificate suspensions,
certificate cancellations, imprisonment.
,List types of pressure vessels discussed in the CSA B51 section entitled "pressure
vessels" - correct answer. Blowoff vessels, hot water tanks, hydropneumatic tanks,
and cushion tanks
Explain the two purposes of the CSA B52 code - correct answer. To provide for the
safe design, construction, installation, operation, and repair of refrigerating and air
conditioning equipment and systems, and related equipment. To promote uniform
requirements among the provinces and territories.
Describe the purpose of ASME Section VI - recommended rules for the care and
operation of heating boilers and explain how this purpose is achieved. - correct answer.
This code contains rules that have been compiled to assist operators of heating boilers
in maintaining their plants in as safe a condition as possible. These rules apply to the
boiler proper and to pipe connections up to and including the value of valves required by
the ASME code. Rules are also given covering auxiliary equipment in so far as safety is
concerned
What recommended procedures are covered in ASME Section VI - recommended rules
for the care and operation of heating boilers pertaining to the treatment of water in
steam and hot water heating boilers? - correct answer. These recommended
procedures cover the treatment of water in steam and hot water boilers. They cover
boiler water troubles, chemicals used, function of chemicals, treatment alternatives,
blowdown, feeders, and procedures
Which of the following items are covered in the appendix or the ASME Boiler and
Pressure Vessel Code, Section IV - Heating Boilers?
a) approval of new materials under code
b) porosity charts for weld radiography
c) manufacturer's data report forms and guides
d) all of the above - correct answer. D
Which of the ASME codes deal with some conditions which are not encountered in
Section I - Power Boilers?
a) section VI
b) section IV
c) section VII
d) CSA B51 - correct answer. C
The amount of heat required to raise the temperature of a unit mass if a substance 1
degree Celsius without changing the state of the substance is defined as
a) sensible heat
b) specific heat
c) superheat
d) saturated - correct answer. B
, _________ heat causes a change in the temperature of a substance without changing
its state
a) sensible
b) specific
c) superheat
d) saturated - correct answer. A
The first law of thermodynamics states that heat and work are
a) incompatible
b) unconvertible
c) mutually convertible
d) the same process - correct answer. C
The second law of thermodynamics states that if it is required to transfer heat from a
cold substance to a hotter substance, then _______ must be supplied
a) pressure
b) external heat
c) external work
d) R134-a - correct answer. C
A bimetal thermometer consists of
a) a filament that is compared to the object being measured
b) two dissimilar metals rigidly fixed together
c) two dissimilar wires connected to a battery
d) two copper wires connected together - correct answer. B
A 3 n copper bar is heated from 25'C to 175'C. After heating it increases in length by
1.45 mm. What is the coefficient of linear expansion?
a) 0.0000032/'C
b) 0.0000256/'c
c) 0.0000012/'C
d) 0.0000025/'C - correct answer. A {delta length = length original * coefficient * delta
temperature}
Heat, whose application causes a ride in temperature, is called _____ - correct answer.
Sensible heat
The rate at which a system will remove heat from the refrigerated medium is defined as
____ - correct answer. Refrigeration capacity or net refrigeration effect
One tonne or refrigeration is defined as
a) 13958 KJ per day
b) 100 KJ per minute
c) 233 kJ per minute
d) 13958 J per hour
e) 335 J per second - correct answer. C
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