CDC – Pumper 2025/2026 Exam
Questions and Verified Answers |
Already Graded A+
One gallon of water weighs - 🧠 ANSWER ✔✔8.33 lbs
Water freezes at
Water boils at - 🧠 ANSWER ✔✔32 F
212 F
Water s an expansion ratio of - 🧠 ANSWER ✔✔1,700:1 at 500 F
Law of Specific Heat
Specific Heat is measured in - 🧠 ANSWER ✔✔Measures the ability of any
substance to absorb heat.
British Thermal Units (BTUs)
,Law of Latent Heat of Vaporization - 🧠 ANSWER ✔✔The amount of heat
needed to turn a liquid into a vapor.
Water absorbs 970 additional BTUs going from 212 F to steam - 🧠
ANSWER ✔✔Law of Latent Heat of Vaporization
A water stream discharging at this GPM and in a STRAIGHT stream is
converted to steam by a 500 F and can fill a room 96x50x10 ft in - 🧠
ANSWER ✔✔9 minutes
A water stream discharging at this GPM and in a NARROW FOG stream is
converted to steam by a 500 F and can fill a room 96x50x10 ft in - 🧠
ANSWER ✔✔6 minutes
A water stream discharging at this GPM and in a WIDE FOG stream is
converted to steam by a 500 F and can fill a room 96x50x10 ft in - 🧠
ANSWER ✔✔1 1/2 minutes
Water pressure - 🧠 ANSWER ✔✔The force of water per unit area.
Water pressure is typically referred to in - 🧠 ANSWER ✔✔Pounds per
square inch (PSI)
A column of water 1"x1"x12" high exerts - 🧠 ANSWER ✔✔0.434 psi
, What determines the psi of a column? - 🧠 ANSWER ✔✔Height
Six characteristics of pressure as it applies to water?
BEDPAD - 🧠 ANSWER ✔✔Bottom
Equal
Depth
Perpendicular
All
Density
BEDPAD
Bottom - 🧠 ANSWER ✔✔Given two containers of water of equal height, the
pressure at the BOTTOM of each container is independent of the shape of
the liquid container above it.
BEDPAD
Equal - 🧠 ANSWER ✔✔The pressure transmitted to a confined amount of
water is transmitted equally in all direction.
BEDPAD
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
Questions and Verified Answers |
Already Graded A+
One gallon of water weighs - 🧠 ANSWER ✔✔8.33 lbs
Water freezes at
Water boils at - 🧠 ANSWER ✔✔32 F
212 F
Water s an expansion ratio of - 🧠 ANSWER ✔✔1,700:1 at 500 F
Law of Specific Heat
Specific Heat is measured in - 🧠 ANSWER ✔✔Measures the ability of any
substance to absorb heat.
British Thermal Units (BTUs)
,Law of Latent Heat of Vaporization - 🧠 ANSWER ✔✔The amount of heat
needed to turn a liquid into a vapor.
Water absorbs 970 additional BTUs going from 212 F to steam - 🧠
ANSWER ✔✔Law of Latent Heat of Vaporization
A water stream discharging at this GPM and in a STRAIGHT stream is
converted to steam by a 500 F and can fill a room 96x50x10 ft in - 🧠
ANSWER ✔✔9 minutes
A water stream discharging at this GPM and in a NARROW FOG stream is
converted to steam by a 500 F and can fill a room 96x50x10 ft in - 🧠
ANSWER ✔✔6 minutes
A water stream discharging at this GPM and in a WIDE FOG stream is
converted to steam by a 500 F and can fill a room 96x50x10 ft in - 🧠
ANSWER ✔✔1 1/2 minutes
Water pressure - 🧠 ANSWER ✔✔The force of water per unit area.
Water pressure is typically referred to in - 🧠 ANSWER ✔✔Pounds per
square inch (PSI)
A column of water 1"x1"x12" high exerts - 🧠 ANSWER ✔✔0.434 psi
, What determines the psi of a column? - 🧠 ANSWER ✔✔Height
Six characteristics of pressure as it applies to water?
BEDPAD - 🧠 ANSWER ✔✔Bottom
Equal
Depth
Perpendicular
All
Density
BEDPAD
Bottom - 🧠 ANSWER ✔✔Given two containers of water of equal height, the
pressure at the BOTTOM of each container is independent of the shape of
the liquid container above it.
BEDPAD
Equal - 🧠 ANSWER ✔✔The pressure transmitted to a confined amount of
water is transmitted equally in all direction.
BEDPAD
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
