RETA CARO TEST BANK QUESTIONS AND
ANSWERS 2026 | Latest Questions | A+
• 10,000 PPM -✓✓1% concentration of Ammonia is equal to what in
PPM?
• 11.6 -✓✓Ammonia is what on a PH scale?
• 100, 24 -✓✓Fill in the blanks: More than _____ pounds released of
ammonia in _____ hours is a reportable release.
• Thermal burns, dehydration burns, respiratory damage, and chemical
burns. -✓✓What are the four primary types of injury that can occur due
to exposure to ammonia?
• 50 -✓✓What is the Permissible Exposure Limit (PEL) set forth by
Federal OSHA for ammonia in PPM?
• full faced air purifying respirator (APR) -✓✓Fill in the blank: The
PEL tells an operator that they must put on a ____-_____ ___
_________ __________ if they want to stay in that atmosphere.
• 300 -✓✓What is the IDLH (immediately dangerous to life and health)
set forth by Federal OSHA for ammonia in PPM?
• 15 -✓✓What is the LEL (lower explosive limit) for ammonia in
percentage?
• 150,000 -✓✓What is the LEL (lower explosive limit) for ammonia in
PPM?
• 28 -✓✓What is the UEL (upper explosive limit) for ammonia in
percentage?
, • 280,000 -✓✓What is the UEL (upper explosive limit) for ammonia in
PPM?
• Health 3, Flammability 1, Reactivity 0 -✓✓What is the NFPA
diamond for ammonia outdoors?
• Health 3, Flammability 3, Reactivity 0 -✓✓What is the NFPA
diamond for ammonia in an enclosed space?
• Blue, red, yellow -✓✓What colors correspond on the NFPA diamond
for ammonia to health, flammability, and reactivity?
• No -✓✓Can an operator wear contact lenses at work?
• Hydrostatic expansion -✓✓Fill in the blank: When liquid ammonia is
trapped in a vessel or pipe that is completely full, a temperature rise can
cause an effect called ___________ _________.
• Sulfur stick and pH or litmus paper -✓✓What are the two primary
ways of finding small ammonia leaks?
• 15 -✓✓Fill in the blank: An operator must flush the body or eyes for a
minimum of __ minutes when exposed to ammonia.
• heat transfer in BTUs per time -✓✓What is tonnage?
• PSIA -✓✓What pressure scale must be used to calculate a
compression ratio?
• 3 groups (CFCs, HCFCs, HFCs) -✓✓How many groups of
halocarbons are there?
ANSWERS 2026 | Latest Questions | A+
• 10,000 PPM -✓✓1% concentration of Ammonia is equal to what in
PPM?
• 11.6 -✓✓Ammonia is what on a PH scale?
• 100, 24 -✓✓Fill in the blanks: More than _____ pounds released of
ammonia in _____ hours is a reportable release.
• Thermal burns, dehydration burns, respiratory damage, and chemical
burns. -✓✓What are the four primary types of injury that can occur due
to exposure to ammonia?
• 50 -✓✓What is the Permissible Exposure Limit (PEL) set forth by
Federal OSHA for ammonia in PPM?
• full faced air purifying respirator (APR) -✓✓Fill in the blank: The
PEL tells an operator that they must put on a ____-_____ ___
_________ __________ if they want to stay in that atmosphere.
• 300 -✓✓What is the IDLH (immediately dangerous to life and health)
set forth by Federal OSHA for ammonia in PPM?
• 15 -✓✓What is the LEL (lower explosive limit) for ammonia in
percentage?
• 150,000 -✓✓What is the LEL (lower explosive limit) for ammonia in
PPM?
• 28 -✓✓What is the UEL (upper explosive limit) for ammonia in
percentage?
, • 280,000 -✓✓What is the UEL (upper explosive limit) for ammonia in
PPM?
• Health 3, Flammability 1, Reactivity 0 -✓✓What is the NFPA
diamond for ammonia outdoors?
• Health 3, Flammability 3, Reactivity 0 -✓✓What is the NFPA
diamond for ammonia in an enclosed space?
• Blue, red, yellow -✓✓What colors correspond on the NFPA diamond
for ammonia to health, flammability, and reactivity?
• No -✓✓Can an operator wear contact lenses at work?
• Hydrostatic expansion -✓✓Fill in the blank: When liquid ammonia is
trapped in a vessel or pipe that is completely full, a temperature rise can
cause an effect called ___________ _________.
• Sulfur stick and pH or litmus paper -✓✓What are the two primary
ways of finding small ammonia leaks?
• 15 -✓✓Fill in the blank: An operator must flush the body or eyes for a
minimum of __ minutes when exposed to ammonia.
• heat transfer in BTUs per time -✓✓What is tonnage?
• PSIA -✓✓What pressure scale must be used to calculate a
compression ratio?
• 3 groups (CFCs, HCFCs, HFCs) -✓✓How many groups of
halocarbons are there?
