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CHST Exam Questions with Verified Answers
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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? - A...

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  • September 19, 2024
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  • 2024/2025
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  • chst exam questions with verified answers
  • in order of decreasing effectiveness which of the

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CHST Exam Questions with Verified
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 correct - Answer-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

All planking Used must be scaffold grade or equivalent

Depending on the industry, frequent inspection of chains is required, the best way to
inspect chains during these inspections is to: - Answer-Perform a detailed link by link
inspection of entire chain

Which of the following electrical devices would most likely contain polychlorinated
biphenyl (PCBs) - Answer-Transformers, capacitors, fluorescent light ballast. - PCBs
are found in certain electrical devices

The OSHA regulation covering underground construction is 1926.800, which covers the
construction of underground tunnels, shafts, chambers and cut-and-cover excavations.
The regulation establishes a competent person as the responsible party for various
inspection and oversight operations in the underground environment which of the

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