CE/1103 CE1103 CE 1103 ASSESSMENT 6

If the noise of an industrial motor vehicle is 80 dBA at a distance of 40 feet, what is the sound pressure level at 10 feet?

What are the substances called that are capable of damaging the liver, such as carbon tetrachloride, chloroform, tannic acid, and trichloroethylene?

Asbestos fibers and silica dust may cause a what effect in the lung tissue?

Using current Occupational Safety and Health Administration (OSHA) standards, if a worker's noise exposure is 85% after five hours and 25 minutes of noise exposure, and assuming conditions remain constant, what would the exposure be after eight hours?

Which of the following would be the hardest to remove during decontamination?

As a general rule, power presses are best protected by fixed guards that enclose the danger areas. When guards are not possible or practical, safeguarding devices may be used to protect workers from point-of-operation hazards where moving parts actually perform work on stock. Which type of safeguarding device requires adjustment for each individual operator?

In testing chemicals in the laboratory, toxicologists have learned that many chemicals act together in certain ways on biological systems. When the exposure to two different toxic chemicals produce a more severe effect than simply doubling the dose of either one alone, such as isopropyl alcohol and chloroform, what is this called?

What is the term for chemicals or substances that cause damage or death to a developing fetus, but the damage cannot be passed on to further generations, as it does not affect the genetic code?

A direct reading instrument indicates a concentration of 1.5% for hazardous material that has a permissible exposure limit (PEL) of 150 ppm, an immediately dangerous to life and health (IDLH) of 1500 ppm, and a lower explosive limit (LEL) of 15,000 ppm. You have been assigned the task of respirator selection for entry into this atmosphere. Which of the following statements is the most correct?

A __________ is a toxic agent or substance that inhibits, damages, or destroys the cells and/or tissues of the kidneys.

The hepatitis B virus infects the liver. In some individuals, it develops into serious or fatal problems, such as cirrhosis, liver cancer, or chronic liver disease. Some people have no problems or symptoms yet become carriers of the virus. Which of the following represents the proper acronym for hepatitis B virus?

Compute the total weighted average (TWA) concentration for the following measurements: 0800-0900 @ 100ppm; 0900-1100 @ 300 ppm; 1100-1300 @ 20 ppm; 1300-1400 @ 0 ppm; and 1400-1600 @ 200 ppm.

A production area has a conveyor belt running parallel to and next to a walkway. The conveyor belt has smooth rods rotating beneath the belt, and these rods stick out 3/4 inch past the edge of the belt. What is the best course of action to protect workers from the potential hazard?

Which of the following terms is synonymous with oncogenesis?

Which of the following is NOT an occupational illness caused by a virus?

What is the pneumoconiosis that is caused by inhalation of iron oxide called?

As one ages, there is a vascular and neural degeneration of the inner ear. This results in a decrease in hearing ability. What is this condition called?

American National Standard Z89.1-1997 establishes specifications for helmets (hardhats) to protect the heads of industrial workers from impact and penetration by falling objects and from high-voltage electrical shock. Which of the following classes offers low-voltage protection?

What instrument would one use to understand the noise exposure experienced by all employees in a particular workplace with highly variable noise levels?

Class __________ lasers have an output power up to 500 mW, sufficient to cause eye injury.