CWEA Collections Grade 1 Test | Expert
Verified Questions and Answers | Most
Recent 2026 Update
• At low concentrations, hydrogen sulfide smells like -✓✓ Rotten Eggs
• which safety hazard in a collection system operations can be detected by an
insturment? -✓✓ Toxic Gases
• What must be checked first before entering a manhole? -✓✓ Proper barricades or
warning devices around manhole.
• When should field crews use signs and cones? -✓✓ When over half the street is
blocked.
• The different zones of traffic control include -✓✓ buffer
• Elements of defensive driving include -✓✓ having your vehicle under control
• The primary function of an entry supervisor is to -✓✓ maintain overall saftey of
permited confied space operations
• What should be the alarm set point for oxygen in an atmospheric
monitoring/testing device? -✓✓ 19.5%
• Warning,caution,danger,on a label means -✓✓ Hazardous
Verified Questions and Answers | Most
Recent 2026 Update
• At low concentrations, hydrogen sulfide smells like -✓✓ Rotten Eggs
• which safety hazard in a collection system operations can be detected by an
insturment? -✓✓ Toxic Gases
• What must be checked first before entering a manhole? -✓✓ Proper barricades or
warning devices around manhole.
• When should field crews use signs and cones? -✓✓ When over half the street is
blocked.
• The different zones of traffic control include -✓✓ buffer
• Elements of defensive driving include -✓✓ having your vehicle under control
• The primary function of an entry supervisor is to -✓✓ maintain overall saftey of
permited confied space operations
• What should be the alarm set point for oxygen in an atmospheric
monitoring/testing device? -✓✓ 19.5%
• Warning,caution,danger,on a label means -✓✓ Hazardous
