Unit 2-5 Lesson 14
A manhole is an example of a ? . a. confined space b. kiosk c. pull box d. service box
A
In a facility such as a power plant, the ? must be notified prior to making a confined space entry. a. emergency and rescue services b. local fire department c. nearest OSHA office d. state confined space agency
A
Oxygen content in a space must be between ? and ? . a. 19.5% / 23.5% b. 23.5% / 25.5% c. 25.5% / 27.5% d. 30.6% / 33.5%
A
The number of people required to be trained in first-aid and CPR per entrant team is ? . a. 1 b. 2 c. 3 d. 4
A
A monitor used to check a manhole should be able to check for the percentage of ? in a manhole. a. organic material b. oxygen content c. static electricity d. water
B
A space that is designed for periodic entry by employees under normal operating conditions is a(n) ? space. a. confined b. enclosed c. kiosk d. pad mounted switchgear
B
An instrument used to check the atmosphere in an enclosed space must be calibrated to within plus or minus ? . a. 5% b. 10% c. 15% d. 20%
B
Ideally, all entrants should wear a(n) ? . a. air monitoring device b. full-body harness c. lanyard d. safety belt
B
Potential hazards in a manhole must be identified prior to ? . a. entering the manhole b. obtaining a work permit c. removing the cover on a manhole d. starting any work inside the manhole
B
The rope used to extract a victim during a confined space rescue must be ? . a. cotton blend b. flame retardant c. nylon d. polyester
B
Enclosed entry procedures and rescue must be practiced at least every ? . a. month b. 2 months c. 12 months d. 18 months
C
If a hazard can be eliminated from a permit-enclosed space, the employer may choose to reclassify the space per OSHA ? . a. 1910.28 b. 1910.146(c)(2) c. 1910.146(c)(7) d. 1910.269(e)(8)
C
In order to operate the gas monitor that is to be used in permit-required confined spaces, one must be ? . a. a Qualified Electrical Worker Journeyman b. an OSHA 30-hour certified worker c. qualified d. tested by OSHA
C
When checking a manhole with a monitor, checks should be made at a minimum of ? levels. a. 1 b. 2 c. 3 d. 5
C
Historically, ? of the fatalities that occur during a confined space rescue happen when attendants enter the confined space to perform the rescue. a. 25% b. 40% c. 50% d. 60%
D
The key phrase that differentiates an enclosed space from a confined space is "entry under ? conditions". a. approved b. emergency c. listed d. normal operating
D
All rescue equipment used in confined spaces must meet the ANSI 136.5 standard. Select one: True False
False
Cables and hangers in a vault make convenient steps when climbing into or out of a vault. Select one: True False
False
OSHA specifies that 12 air changes must take place in an enclosed space prior to allowing employees to enter. Select one: True False
False
Training in enclosed spaces is restricted to work crews only. Select one: True False
False
When a monitoring meter takes a reading from a manhole, the reading must be sent off to ascertain the true value recorded. Select one: True False
False
The attendant is allowed to enter a confined space to help with the work under certain circumstances. Select one: True False
True
Two existing conditions under which an attendant would not be allowed to enter a confined space to help with work are if the confined space is in an area where there are hazards such as traffic, and if concentrations of flammable vapors are present. Select one: True False
True
All permits require confined spaces to have converging walls. Select one: True False
false
