Unit 29 - Boiler Maintenance (Ch. 137-
141) Exam Questions & Answers (Grade
A+)
To measure valve tappet clearances one would most aptly use:
A) An inside micrometer
B) A thread micrometer
C) A depth micrometer
D) Feeler gauges
E) Round or fillet gauges -
correct answer ✅d
Chalk or _____ may be used to rub on the surface of rough castings
as a marking material.
A) Aluminum sulphate
B) Grinding compound
C) Soap stone
D) Blue vitriol
E) Wax -
correct answer ✅c
Damaged tools:
A) Are best disposed of or properly repaired
,Unit 29 - Boiler Maintenance (Ch. 137-
141) Exam Questions & Answers (Grade
A+)
B) Must be used carefully and cautiously if injury is to be prevented
C) Should be kept in a special toolbox
D) Can still be used, but not for critical work
E) Are signs of careless use -
correct answer ✅a
The actual movable range of a metric micrometer is typically
___________.
A) 30 mm
B) 200 mm
C) 250 mm
D) 300 mm
E) 25 mm -
correct answer ✅e
Hand taps are usually made in sets of three called:
A) SAE, ISO, Metric
B) Warding, mill, and bastard
C) Rough, coarse, and fine
,Unit 29 - Boiler Maintenance (Ch. 137-
141) Exam Questions & Answers (Grade
A+)
D) Taper, plug, and bottoming
E) Primary, secondary, and finishing -
correct answer ✅d
A ball peen hammer is sometimes referred to as a:
A) Carpenter's hammer
B) Machinist's hammer
C) Mechanic's hammer
D) Millwright's hammer
E) Spherical mallet -
correct answer ✅b
Who is responsible for providing safe working conditions in the
plant?
A) Management.
B) The Boilers Branch.
C) Worker's Compensation Occupational Health and Safety.
D) The ASME Code.
, Unit 29 - Boiler Maintenance (Ch. 137-
141) Exam Questions & Answers (Grade
A+)
E) The Union. -
correct answer ✅a
The _____ of the completed job depends largely on the care taken
during laying out.
A) Time
B) Accuracy
C) Cost
D) Price
E) Size -
correct answer ✅b
A dressing tool is used to:
A) Square the edges of a grinding wheel
B) Clean the measuring contact surfaces of a micrometer
C) Clean the grooves of a file
D) Fit a new handle into a hammer head
E) Re-set the teeth of a saw -
correct answer ✅a
141) Exam Questions & Answers (Grade
A+)
To measure valve tappet clearances one would most aptly use:
A) An inside micrometer
B) A thread micrometer
C) A depth micrometer
D) Feeler gauges
E) Round or fillet gauges -
correct answer ✅d
Chalk or _____ may be used to rub on the surface of rough castings
as a marking material.
A) Aluminum sulphate
B) Grinding compound
C) Soap stone
D) Blue vitriol
E) Wax -
correct answer ✅c
Damaged tools:
A) Are best disposed of or properly repaired
,Unit 29 - Boiler Maintenance (Ch. 137-
141) Exam Questions & Answers (Grade
A+)
B) Must be used carefully and cautiously if injury is to be prevented
C) Should be kept in a special toolbox
D) Can still be used, but not for critical work
E) Are signs of careless use -
correct answer ✅a
The actual movable range of a metric micrometer is typically
___________.
A) 30 mm
B) 200 mm
C) 250 mm
D) 300 mm
E) 25 mm -
correct answer ✅e
Hand taps are usually made in sets of three called:
A) SAE, ISO, Metric
B) Warding, mill, and bastard
C) Rough, coarse, and fine
,Unit 29 - Boiler Maintenance (Ch. 137-
141) Exam Questions & Answers (Grade
A+)
D) Taper, plug, and bottoming
E) Primary, secondary, and finishing -
correct answer ✅d
A ball peen hammer is sometimes referred to as a:
A) Carpenter's hammer
B) Machinist's hammer
C) Mechanic's hammer
D) Millwright's hammer
E) Spherical mallet -
correct answer ✅b
Who is responsible for providing safe working conditions in the
plant?
A) Management.
B) The Boilers Branch.
C) Worker's Compensation Occupational Health and Safety.
D) The ASME Code.
, Unit 29 - Boiler Maintenance (Ch. 137-
141) Exam Questions & Answers (Grade
A+)
E) The Union. -
correct answer ✅a
The _____ of the completed job depends largely on the care taken
during laying out.
A) Time
B) Accuracy
C) Cost
D) Price
E) Size -
correct answer ✅b
A dressing tool is used to:
A) Square the edges of a grinding wheel
B) Clean the measuring contact surfaces of a micrometer
C) Clean the grooves of a file
D) Fit a new handle into a hammer head
E) Re-set the teeth of a saw -
correct answer ✅a
