CHST Exam Questions with Complete Answers
In order of decreasing effectiveness, which of the following correctly indicates the order of
correct of actions taken to prevent Industrial dermatosis - ANSWER Substitution, gloves, barrier
cream
Which of the following types of ionizing radiation is considered to be only an internal hazard? -
ANSWER Alpha radiation
What type of radiation from welding operations is The most damaging to the eye? - ANSWER
Infrared
If variations in noise levels are occurring at a rate more often than once per second the noise is
considered______________ under OSHA is noise standard. - ANSWER Continuous
Which of the following heat stress indicators is most commonly used in the health and safety
field - ANSWER Wet bulb globe thermometer index
What disease with you associate with the construction industry? - ANSWER Raynaud's
Calculate the WBGT index from the following information. Outdoor global temperature of 98°,
wet bulb temperature of 90° dry bulb temperature 94° - ANSWER 92°F. WBGT = .7(WB) + .2(GT)
+ .1(DB)
OSHA requires the use of a registered professional engineer to ensure the safety of complicated
unusual or high-risk structures which of the following fails to correctly identify condition where
OSHA requires the services of a registered professional engineer - ANSWER To design sloping
invention plans for excavations in types of soil deeper than 16 feet
Within the OSHA standards for construction, 1926. 451 provide guidance on the requirements
and specifications for various types of scaffold. Among the requirements are several
, specifications concerning the type and use of wood planking all of the following requirements
from OSHA 1926.451 - ANSWER Scaffold planking must be at least 1500 psi fiber (Stress grade)
Scaffold plank in Shelby scaffold grade or equivalent
Only light duty scaffold (25 psf) The maximum permissible span for 2X 10 nominal thickness
lumber is 8 feet
The following description best fits the intent of the OSHA standards when referring to a
competent person - ANSWER The person who is capable of identifying existing and predictable
hazards in the surroundings or working conditions which are unsanitary, hazardous, or
dangerous to employees, and who has authorization to take prompt correct of measures to
eliminate them
Rolling tower scalpels are popular with most of the trades for example painters, maintenance
man, electricians, sign installers, heating in the leading man. The rolling tower is easy to move
around in an area and provides a stable platform for which to work. Generally, the tower
scaffold are equipped with five or 8 inch casters that have a break permitting the worker to lock
the wheel. Additionally, The scaffold can be equipped without meters. OSHA requires out
Riggers on any scaffold with a height to base ratio exceeding? - ANSWER 4
The OSHA regulation covering underground construction is 1926.800, which covers the
construction of underground tunnels, shafts, chambers and cut-and-cover excavations.
According to OSHA 1926.800 ventilation must be provided to maintain underground air quality.
How many cubic feet of fresh air is required for each worker underground? - ANSWER 200 ft.³
The physiological property of matter that defines the capacity of a chemical to harm or injure a
living organism by other than mechanical means is the definition of? - ANSWER Toxicity - The
question accurately states the definition of toxicity
Within the OSHA standards for construction, 1926.451 provides guidance on the requirements
and specifications for various types of scaffold. According to the standard all the following are
In order of decreasing effectiveness, which of the following correctly indicates the order of
correct of actions taken to prevent Industrial dermatosis - ANSWER Substitution, gloves, barrier
cream
Which of the following types of ionizing radiation is considered to be only an internal hazard? -
ANSWER Alpha radiation
What type of radiation from welding operations is The most damaging to the eye? - ANSWER
Infrared
If variations in noise levels are occurring at a rate more often than once per second the noise is
considered______________ under OSHA is noise standard. - ANSWER Continuous
Which of the following heat stress indicators is most commonly used in the health and safety
field - ANSWER Wet bulb globe thermometer index
What disease with you associate with the construction industry? - ANSWER Raynaud's
Calculate the WBGT index from the following information. Outdoor global temperature of 98°,
wet bulb temperature of 90° dry bulb temperature 94° - ANSWER 92°F. WBGT = .7(WB) + .2(GT)
+ .1(DB)
OSHA requires the use of a registered professional engineer to ensure the safety of complicated
unusual or high-risk structures which of the following fails to correctly identify condition where
OSHA requires the services of a registered professional engineer - ANSWER To design sloping
invention plans for excavations in types of soil deeper than 16 feet
Within the OSHA standards for construction, 1926. 451 provide guidance on the requirements
and specifications for various types of scaffold. Among the requirements are several
, specifications concerning the type and use of wood planking all of the following requirements
from OSHA 1926.451 - ANSWER Scaffold planking must be at least 1500 psi fiber (Stress grade)
Scaffold plank in Shelby scaffold grade or equivalent
Only light duty scaffold (25 psf) The maximum permissible span for 2X 10 nominal thickness
lumber is 8 feet
The following description best fits the intent of the OSHA standards when referring to a
competent person - ANSWER The person who is capable of identifying existing and predictable
hazards in the surroundings or working conditions which are unsanitary, hazardous, or
dangerous to employees, and who has authorization to take prompt correct of measures to
eliminate them
Rolling tower scalpels are popular with most of the trades for example painters, maintenance
man, electricians, sign installers, heating in the leading man. The rolling tower is easy to move
around in an area and provides a stable platform for which to work. Generally, the tower
scaffold are equipped with five or 8 inch casters that have a break permitting the worker to lock
the wheel. Additionally, The scaffold can be equipped without meters. OSHA requires out
Riggers on any scaffold with a height to base ratio exceeding? - ANSWER 4
The OSHA regulation covering underground construction is 1926.800, which covers the
construction of underground tunnels, shafts, chambers and cut-and-cover excavations.
According to OSHA 1926.800 ventilation must be provided to maintain underground air quality.
How many cubic feet of fresh air is required for each worker underground? - ANSWER 200 ft.³
The physiological property of matter that defines the capacity of a chemical to harm or injure a
living organism by other than mechanical means is the definition of? - ANSWER Toxicity - The
question accurately states the definition of toxicity
Within the OSHA standards for construction, 1926.451 provides guidance on the requirements
and specifications for various types of scaffold. According to the standard all the following are
