Block 1 Plumbing Exam Questions With Complete Solutions
Acetylene is what thread and kind of nut and colour Correct
Answers Left hand thread with a grooved nut and red
All hooks should be equipped with what? Correct Answers
Safety latches
annular spacing is what? Correct Answers The spacing
between the tube and fitting
Benefit of a bowline knot Correct Answers Easy to come apart
after it has been stressed
Benefit of spring hangers Correct Answers Control vertical
movement
Brazing rod for copper to copper Correct Answers Bcup
centre line Correct Answers fine dashed line
Class A fire Correct Answers wood, paper, cloth
Class B Fire Correct Answers Flammable liquids
Class C Fire Correct Answers electrical
Class D fire Correct Answers Combustible metals
coefficient of expansion for ABS Correct Answers 0.000099C
, Coefficient of expansion for PVC Correct Answers 0.000059C
Colour of metal should be what colour before beginning the cut?
Correct Answers Cherry red
Common scales for commerical Correct Answers 1/8, 1:100
Common scales for residential Correct Answers 1/4, 1:50
Definition of water service Correct Answers a pipe that
conveys water from a public water main to the inside of the
building
Depth of lead in a cast iron joint? Correct Answers not less
than 25mm
Difference between 1 way rodding cleanout and 2 way rodding
cleanout Correct Answers 1 way you can only go one way, two
way you can go two ways
Difference between carbon and stainless steel Correct Answers
Stainless steel has chromium and nickel
Difference between eccentric reducer and concentric reducer
Correct Answers Eccentric center line changes and concentric
center line stays the same
Difference between schedule 40 and schedule 80 Correct
Answers Inside Diameter and wall thickness
dimensions for a scaffold plank Correct Answers 2x10
Acetylene is what thread and kind of nut and colour Correct
Answers Left hand thread with a grooved nut and red
All hooks should be equipped with what? Correct Answers
Safety latches
annular spacing is what? Correct Answers The spacing
between the tube and fitting
Benefit of a bowline knot Correct Answers Easy to come apart
after it has been stressed
Benefit of spring hangers Correct Answers Control vertical
movement
Brazing rod for copper to copper Correct Answers Bcup
centre line Correct Answers fine dashed line
Class A fire Correct Answers wood, paper, cloth
Class B Fire Correct Answers Flammable liquids
Class C Fire Correct Answers electrical
Class D fire Correct Answers Combustible metals
coefficient of expansion for ABS Correct Answers 0.000099C
, Coefficient of expansion for PVC Correct Answers 0.000059C
Colour of metal should be what colour before beginning the cut?
Correct Answers Cherry red
Common scales for commerical Correct Answers 1/8, 1:100
Common scales for residential Correct Answers 1/4, 1:50
Definition of water service Correct Answers a pipe that
conveys water from a public water main to the inside of the
building
Depth of lead in a cast iron joint? Correct Answers not less
than 25mm
Difference between 1 way rodding cleanout and 2 way rodding
cleanout Correct Answers 1 way you can only go one way, two
way you can go two ways
Difference between carbon and stainless steel Correct Answers
Stainless steel has chromium and nickel
Difference between eccentric reducer and concentric reducer
Correct Answers Eccentric center line changes and concentric
center line stays the same
Difference between schedule 40 and schedule 80 Correct
Answers Inside Diameter and wall thickness
dimensions for a scaffold plank Correct Answers 2x10
