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CHST EXAM ACTUAL VERSION 1, 2 AND STUDY GUIDE
COMPLETE 550 QUESTIONS AND CORRECT DETAILED
ANSWERS LATEST THIS YEAR JUST RELEASED
CHST EXAM 1
A safety consultant needs to determine the total weight of petroleum diesel in a 100,000-
gallon cylindrical tank, using a density of 6.943 pounds per gallon as provided in the safety
data sheet.
What is the mass, in pounds, of the petroleum diesel when the tank is at full capacity?
A) 694,000
B) 700,943
C) 700,694
D) 694,300
D) 694,300
The Total Recordable Incident Rate (TRIR) is a key safety metric calculated per 100 full-time
workers. If a workplace has reported 10 incidents in a year, and the total hours worked by all
employees is 200,000 hours, what is the TRIR? (Note: TRIR = (Number of Incidents x 200,000)
/ Total Hours Worked)
a) 5
b) 10
c) 1
d) 20
B) 10
Qualitative fit testing (QLFT) is described a/an:
a. Assessment of respirator fit based on an individual's use under actual working conditions
b. Assessment of respirator fit based on the amount of leakage into the respirator
, Page 2 of 294
c. Pass/fail test based on an individual's response to various test agents
d. Pass/fail test based on the level of contaminant in the user's work area
C) Pass/fail test based on an individual's response to various test agents
A quantitative fit factor (QNFF) is defined as the:
a. Factor applied to qualitative fit testing (QLFT) results to calculate the equivalent results
required from quantitative fit testing (QNFT)
b. Maximum level of exposure to a contaminant allowed for the specific respirator being
tested
c. Minimum expected level of respiratory protection provided by a properly fitted and
functioning respirator
d. Quantitative measure of the fit of a particular respirator facepiece to a particular individual
D) Quantitative measure of the fit of a particular respirator facepiece to a particular individual
The OSHA Respiratory Protection Standard requires employers to:
a. Provide NIOSH-certified respirators in compliance with the conditions of their certification
b. Provide NIOSH-certified respirators or respirators that meet equivalent NIOSH standards
c. Require employees to purchase NIOSH-certified respirators for use in their designated work
areas
d. Require NIOSH-certified respirators only in oxygen-deficient or immediately dangerous to
life and health (IDLH) atmospheres
A) Provide NIOSH-certified respirators in compliance with the conditions of their certification
Eye and face protection equipment used to protect against hazards shall meet the
requirements specified in:
a. ANSI Z87.1
b. ANSI Z89.1
c. ANSI Z41.1
d. ANSI Z244.1
, Page 3 of 294
A) ANSI Z87.1
Only employers with _____ or fewer employees may communicate an Emergency Action Plan
orally to employees. 1910.38a
a. 10
b. 25
c. 50
d. 100
A) 10
What is typically the primary focus of vulnerability assessments?
a. Terrorism
b. Waste Disposal
c. Earthquakes
d. Floods
A) Terrorism
Under incident command, the command staff positions include:
A. Public Information Officer, Chief Executive Officer, Safety Officer
B. Safety Officer, Public Information Officer, And Liaison Officer,
C. Operations Section Chief, Logistics Section Chief, Planning Section Chief, And Finance
Section Chief
D. Planning, Operations, Support Officers
B) Safety Officer, Public Information Officer, and Liaison Officer
What formula should be used to calculate the free fall distance (FF) when the anchor point is
positioned above the harness attachment point?
A) FF = Lanyard
B) FF = Lanyard x Distance between attachment and anchor point
, Page 4 of 294
C) FF = Lanyard - Distance between attachment and anchor point
D) FF = Lanyard + Distance between attachment and anchor point
C) FF = Lanyard - Distance between attachment and anchor point
Your company is installing a new process that uses a chemical rinse that was not previously
used in the company. What should your first action be to evaluate the health hazards.
a. Make sure the room has 6 air changes and hour
b. Order PPE before the work starts.
c. Conduct Air Sampling
d. Review the SDS.
D) Review the SDS
You are starting at a new company. Last year, eye injuries and foot injuries were the highest
cause of recordable incidents. As a new safety professional, what action should you perform
first?
a. Survey the facility and operations to determine the cause of the injuries.
b. Hold the safety meeting discussing the need to be more careful.
c. Require everybody to wear safety glasses and safety toe shoes.
d. Put up safety posters reminding workers to wear their protective equipment all the time.
A) Survey the facility and operations to determine the cause of the injuries.
What is the most common type of workplace eye injury?
A. Cataracts
B. Foreign body
C. Thermal burn
D. Chemical burn
B) Foreign Body
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