ABSA 4B STUDY GUIDE Questions with Correct Answers (Grade
A+)
Question 1: A machine lifts a load of 12kN with an applied effort of 4kN. What distance will the load
move if the effort moves a distance of 8m and the efficiency of the machine is 70%? Select one:
A. 0.54 m
B. 3.81 m
C. 1.87 m
D. 0.38 m
Answer: c. 1.87 m
Question 2: Which of these is the "Mechanical Refrigeration Code"? Select one:
A. ASME MRC
B. CSA B51.
C. CSA B52.
D. ASME Section I.
Answer: c. CSA B52.
Question 3: In order to ensure safe and continuous operation of a pressure reducing valve, the valve
station should have _________________. Select one:
A. A safety valve on the high-pressure side
B. A bypass line, plus a safety valve and pressure gauge on the low- pressure side
C. Thermometers on the inlet and outlet piping
D. A strainer immediately downstream of the valve
Answer: b. A bypass line, plus a safety valve and pressure gauge on the low-pressure side
Question 4: If the power dissipated by a resistor is 1.2 kW when supplied with 110 V, the amperage will
be _____ A. Select one:
A. 91.666
B. 19.006
C. 10.91
D. 132
Answer: c. 10.91
Question 5: The inclined "U" tube manometer: Select one:
A. Will measure pressure in MPa
B. Can only be used with mercury
C. Is more accurate than the "U" tube manometer
D. Is more difficult to read than the U-tube manometer
Answer: c. Is more accurate than the "U" tube manometer
Page 1
,Question 6: A valve which gives good throttling action, takes less actuator force, but does not seal well
is a: Select one:
A. Double seated valve
B. Reverse acting valve
C. Single seated valve
D. Direct acting valve
Answer: a. Double seated valve
Question 7: The main component of any computer is the: Select one:
A. Keyboard
B. Screen
C. Memory
D. Central processing unit
Answer: d. Central processing unit
Question 8: In most sizes of pipe, Schedule 40 corresponds to _____ wall thickness. Select one:
A. Welded only
B. Threaded only
C. Extra strong (XS)
D. Standard
Answer: d. Standard
Question 9: A reducing agent or fuel could be: Select one:
A. Carbon monoxide
B. A heavy metal oxide
C. Hydrogen peroxide
D. Concentrated Sulphuric acid
Answer: a. Carbon monoxide
Question 10: A control device which will change one form of energy into another form of energy is the:
Select one:
A. Logic device
B. Primary element
C. Transducer
D. Transmitter
Answer: c. Transducer
Page 2
,Question 11: The __________ valve requires specific and routine lubrication. Select one:
A. Butterfly
B. Globe
C. Check
D. Tapered plug
Answer: d. Tapered plug
Question 12: With reference to scalars and vectors, a space diagram: Select one:
A. Shows the relationship of time to the vector.
B. Illustrates a system of vectors.
C. Shows the relationship of the scalar to the vector.
D. Illustrates a system of scalars.
Answer: b. Illustrates a system of vectors
Question 13: Brass and bronze are alloys of: Select one:
A. iron
B. copper
C. aluminum
D. lead
Answer: b. copper
Question 14: PLC's for Burner Management Systems can: Select one:
A. Have limited field configurations
B. Be used without any field testing
C. Be set up by technicians at burner repair companies
D. Be programmed by operators
Answer: a. Have limited field configurations
Question 15: Which is the workers responsibility? Select one:
A. Co-operating with others on workplace safety and health
B. Issuing proper safety equipment to all workers
C. Clearly stated goals and objectives of the health and safety program
D. Clearly defined roles and responsibilities for management, workers, contractors, and visitors at the plant
site
Answer: a. Co-operating with others on workplace safety and health
Page 3
, Question 16: What is one of the two main purposes of the CSA B-52 code? Select one:
A. (b) & (d)
B. To promote uniform requirements among the provinces and territories
C. Terms and equipment relating to refrigeration and air conditioning equipment are defined.
D. The various classifications of buildings and occupancies are listed and described with examples of each
classification given.
Answer: b. To promote uniform requirements among the provinces and territories
Question 17: Settling ponds and grease traps are methods used to: Select one:
A. decrease liquid pollution.
B. are part of all liquid treatment facilities.
C. remove solid matter from feedwater.
D. very effective at removing small colloidal particles from effluent.
Answer: a. decrease liquid pollution.
Question 18: A simple machine is required to raise 1 tonne of stones a vertical distance of 30m. If the
efficiency of the pulley is 100%, how much work must be done on the pulley to raise the stone? Select
one:
A. 294.3 J
B. 30 kJ
C. 35 kJ
D. 294.27 kJ
Answer: d. 294.27 kJ
Question 19: A proportional controller: Select one:
A. Is also called a multi-position controller
B. Provides a proportional output based on the error between process variable and set-point
C. Provides on-off control
D. Allows the process variable to always be maintained at the set-point
Answer: b. Provides a proportional output based on the error between process variable and set-point
Question 20: One of the national standards which each jurisdiction in Canada has adopted as part of
their applicable Act and/or Regulations is the: Select one:
A. CSA B51
B. ANSI Codes
C. ASME Codes
D. NFPA Codes
Answer: a. CSA B51
Page 4
A+)
Question 1: A machine lifts a load of 12kN with an applied effort of 4kN. What distance will the load
move if the effort moves a distance of 8m and the efficiency of the machine is 70%? Select one:
A. 0.54 m
B. 3.81 m
C. 1.87 m
D. 0.38 m
Answer: c. 1.87 m
Question 2: Which of these is the "Mechanical Refrigeration Code"? Select one:
A. ASME MRC
B. CSA B51.
C. CSA B52.
D. ASME Section I.
Answer: c. CSA B52.
Question 3: In order to ensure safe and continuous operation of a pressure reducing valve, the valve
station should have _________________. Select one:
A. A safety valve on the high-pressure side
B. A bypass line, plus a safety valve and pressure gauge on the low- pressure side
C. Thermometers on the inlet and outlet piping
D. A strainer immediately downstream of the valve
Answer: b. A bypass line, plus a safety valve and pressure gauge on the low-pressure side
Question 4: If the power dissipated by a resistor is 1.2 kW when supplied with 110 V, the amperage will
be _____ A. Select one:
A. 91.666
B. 19.006
C. 10.91
D. 132
Answer: c. 10.91
Question 5: The inclined "U" tube manometer: Select one:
A. Will measure pressure in MPa
B. Can only be used with mercury
C. Is more accurate than the "U" tube manometer
D. Is more difficult to read than the U-tube manometer
Answer: c. Is more accurate than the "U" tube manometer
Page 1
,Question 6: A valve which gives good throttling action, takes less actuator force, but does not seal well
is a: Select one:
A. Double seated valve
B. Reverse acting valve
C. Single seated valve
D. Direct acting valve
Answer: a. Double seated valve
Question 7: The main component of any computer is the: Select one:
A. Keyboard
B. Screen
C. Memory
D. Central processing unit
Answer: d. Central processing unit
Question 8: In most sizes of pipe, Schedule 40 corresponds to _____ wall thickness. Select one:
A. Welded only
B. Threaded only
C. Extra strong (XS)
D. Standard
Answer: d. Standard
Question 9: A reducing agent or fuel could be: Select one:
A. Carbon monoxide
B. A heavy metal oxide
C. Hydrogen peroxide
D. Concentrated Sulphuric acid
Answer: a. Carbon monoxide
Question 10: A control device which will change one form of energy into another form of energy is the:
Select one:
A. Logic device
B. Primary element
C. Transducer
D. Transmitter
Answer: c. Transducer
Page 2
,Question 11: The __________ valve requires specific and routine lubrication. Select one:
A. Butterfly
B. Globe
C. Check
D. Tapered plug
Answer: d. Tapered plug
Question 12: With reference to scalars and vectors, a space diagram: Select one:
A. Shows the relationship of time to the vector.
B. Illustrates a system of vectors.
C. Shows the relationship of the scalar to the vector.
D. Illustrates a system of scalars.
Answer: b. Illustrates a system of vectors
Question 13: Brass and bronze are alloys of: Select one:
A. iron
B. copper
C. aluminum
D. lead
Answer: b. copper
Question 14: PLC's for Burner Management Systems can: Select one:
A. Have limited field configurations
B. Be used without any field testing
C. Be set up by technicians at burner repair companies
D. Be programmed by operators
Answer: a. Have limited field configurations
Question 15: Which is the workers responsibility? Select one:
A. Co-operating with others on workplace safety and health
B. Issuing proper safety equipment to all workers
C. Clearly stated goals and objectives of the health and safety program
D. Clearly defined roles and responsibilities for management, workers, contractors, and visitors at the plant
site
Answer: a. Co-operating with others on workplace safety and health
Page 3
, Question 16: What is one of the two main purposes of the CSA B-52 code? Select one:
A. (b) & (d)
B. To promote uniform requirements among the provinces and territories
C. Terms and equipment relating to refrigeration and air conditioning equipment are defined.
D. The various classifications of buildings and occupancies are listed and described with examples of each
classification given.
Answer: b. To promote uniform requirements among the provinces and territories
Question 17: Settling ponds and grease traps are methods used to: Select one:
A. decrease liquid pollution.
B. are part of all liquid treatment facilities.
C. remove solid matter from feedwater.
D. very effective at removing small colloidal particles from effluent.
Answer: a. decrease liquid pollution.
Question 18: A simple machine is required to raise 1 tonne of stones a vertical distance of 30m. If the
efficiency of the pulley is 100%, how much work must be done on the pulley to raise the stone? Select
one:
A. 294.3 J
B. 30 kJ
C. 35 kJ
D. 294.27 kJ
Answer: d. 294.27 kJ
Question 19: A proportional controller: Select one:
A. Is also called a multi-position controller
B. Provides a proportional output based on the error between process variable and set-point
C. Provides on-off control
D. Allows the process variable to always be maintained at the set-point
Answer: b. Provides a proportional output based on the error between process variable and set-point
Question 20: One of the national standards which each jurisdiction in Canada has adopted as part of
their applicable Act and/or Regulations is the: Select one:
A. CSA B51
B. ANSI Codes
C. ASME Codes
D. NFPA Codes
Answer: a. CSA B51
Page 4
