CHST Exam: Questions & Expert Verified Solutions
In order of decreasing effectiveness, which of the following correctly indicates
the order of correct of actions taken to prevent Industrial dermatosis Right
Ans - Substitution, gloves, barrier cream
Which of the following types of ionizing radiation is considered to be only an
internal hazard? Right Ans - Alpha radiation
What type of radiation from welding operations is The most damaging to the
eye? Right Ans - 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.
Right Ans - Continuous
Which of the following heat stress indicators is most commonly used in the
health and safety field Right Ans - Wet bulb globe thermometer index
What disease with you associate with the construction industry? Right Ans
- Raynaud's
Calculate the WBGT index from the following information. Outdoor global
temperature of 98°, wet bulb temperature of 90° dry bulb temperature 94°
Right Ans - 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 Right Ans - 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 Right Ans -
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 Right Ans - 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?
Right Ans - 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? Right Ans - 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? Right Ans - 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 correct Right Ans - Scaffold erection is
not permitted except under the direction of a competent person
Guard rails and toe boards shall be installed on all open sides and ends of
platforms more than 10 feet above the ground or floor, except needle beam
scaffolds and floats
In order of decreasing effectiveness, which of the following correctly indicates
the order of correct of actions taken to prevent Industrial dermatosis Right
Ans - Substitution, gloves, barrier cream
Which of the following types of ionizing radiation is considered to be only an
internal hazard? Right Ans - Alpha radiation
What type of radiation from welding operations is The most damaging to the
eye? Right Ans - 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.
Right Ans - Continuous
Which of the following heat stress indicators is most commonly used in the
health and safety field Right Ans - Wet bulb globe thermometer index
What disease with you associate with the construction industry? Right Ans
- Raynaud's
Calculate the WBGT index from the following information. Outdoor global
temperature of 98°, wet bulb temperature of 90° dry bulb temperature 94°
Right Ans - 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 Right Ans - 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 Right Ans -
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 Right Ans - 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?
Right Ans - 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? Right Ans - 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? Right Ans - 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 correct Right Ans - Scaffold erection is
not permitted except under the direction of a competent person
Guard rails and toe boards shall be installed on all open sides and ends of
platforms more than 10 feet above the ground or floor, except needle beam
scaffolds and floats
