AVIT 176: Midterm Exam

When a worker ________, the asbestos fibers ___________.

breathes; enter the lungs

Asbestos fibers _____ remain in the lungs for a long period of time.

can

The scar tissue in the lungs __________________ after exposure.

continue to develop for many years

Lead fumes and lead dust ____________ odor.

do not have an

Which of the following is NOT an example of a caught-in or caught-between hazard?

Being struck on the head by a falling tool.

Which of the following is not true about drinking water? (Reference General Safety and Health Programs)

Dipping and/or using common drinking cups is permitted.

Employers may permit only those employees qualified by ____________ to operate equipment or machinery. (Reference General Safety and Health Programs)

Either A or B (Training or Experience)

Which of the following is not true about personal protective equipment (PPE)?

Employees must pay for their own PPE

After you terminate your exposure to silica dust, your lungs will slowly recover.

False

In order to ensure that it is sufficiently supported, secured, or otherwise made safe, you should always raise the blades of bulldozers, scraper, and similar equipment when the equipment is not in use.

False

Lead exposure rarely occurs through breathing lead dust, ingesting lead dust, or contact with lead dust.

False

Safety nets must be installed as close as practicable under the walking/working surface, but never more than 20 feet below the working level. (Reference Fall Protection)

False

The covering on an overhead power line is primarily for protection from shock

False

The dangers of silica dust have just been recently discovered.

False

The danger when undertaking a renovation or demolition, is releasing the asbestos ______ into the air.

Fibers

Asbestos is a____________ that is resistant to chemicals and heat. It was added to many building materials in many older homes.

Fibrous mineral

Workers can be exposed to Cadmium by incidental ingestion of dust from contaminated hands, ___________, or cigarettes.

Food

Lead is a toxic __________.

Heavy metal

A ___________ exposure to Cadmium can damage your kidneys, result in lung cancer, and prostrate cancer.

Long term

According to the video, which of the following silica dust safeguards must be taken by employers?

Make sure workers use vacuums, water, substitutes, ventilation, or different work practices.

Cadmium is used in batteries, pigment, and a stabilizer for______________.

Plastics

When is silica the most dangerous to your health?

Silica is the most dangerous when you cut, grind, or drill a material containing silica -- turning it into silica dust.

Permanent lung damage caused by breathing dust containing extremely fine particles of crystalline silica is called __________________.

Silicosis

According to the video, lead can be absorbed through the skin.

True

Cadmium is a naturally occurring element from the earth's crust.

True

If machines are not deenergized and locked out when they are being repaired, they may cycle or otherwise start up and catch a worker's body part or clothing and cause injury or death.

True

Lead dust can be brought home, and then expose your family members.

True

Nearly every American employee is covered by OSHA or an OSHA-approved state agency. (Reference: Intro to OSHA)

True

Regulated areas must be established when employees are reasonable expected to be exposed to cadmium beyond the PEL.

True

Replacement PPE must be paid for by the employer, except when an employee loses or intentionally damages their PPE.

True

Waste containers for flammable or hazardous wastes must be covered. (Reference General Safety and Health Programs

True

What is the minimum required clearance distance from a power line with a voltage of 100 kV?

15 feet

During the year _________OSHA reduced the maximum permissible levels of silica dust.

2016

A personal fall arrest system must limit the maximum deceleration distance an employee travels to ______. (Reference Fall Protection)

3.5 feet

Compressed air must be reduced to ___ psi or less of air pressure before it may be used for cleaning purposes.

30

How far from the walking/working surface must the top rail of a guardrail system used for fall protection be? (Reference Fall Protection)

39-45 inches

In order to protect yourself from caught-in or caught-between hazards on an excavation site, never work in an unprotect trench that is _____________ deep or more.

5 feet

The general rule is that fall protection is required whenever a worker could fall __________ or more. (Reference Fall Protection)

6 feet

When performing overhead work, you should ensure that all materials stored in buildings under construction are placed farther than ____ away from hoist way or floor openings and more than ____ from exterior walls.

6 feet / 10 feet

A _____ is one who, by possession of a recognized degree, certificate, or professional standing, or who by extensive knowledge, training, and experience, has successfully demonstrated his or her ability to solve or resolve problems relating to the subject matter, the work, or the project. (Reference General Safety and Health Programs)

A Qualified Person

Which of the following should you do in order to protect yourself from a struck-by hazard when working near heavy equipment that is in operation?

A. Never work under a suspended load. B. Confirm and receive acknowledgement from the heavy equipment operator that you are visible. C. Be aware of the swing radius of cranes and backhoes, and do not enter that zone. D. Do all the above.

Using a vacuum with a HEPA filter will help to prevent exposure to harmful ____________ dust.

A. Silica B. Asbestos C. Cadmium D. Lead E. All the above

If you are required to use PPE, you must be trained to know:

A. When and which PPE is necessary, and the limitations of that PPE B. How to properly put on, take off, adjust, and wear the PPE C. The proper care, maintenance, useful life, and disposal of the PPE D. All of the above

The PEL for lead is 50 µg/m3 average over an eight-hour period, the __________ or the level at which an employer must begin the specific compliance activities outlined in the OSHA standard, for lead is an airborne concentration of 30 µg/m3 averaged over an eight-hour period.

Action level

Which of the following must be guarded if it is exposed to contact by workers?

All of the above (Pulley, spindle or drum, and fly wheel)

Which of the following is NOT good practice when using power tools in order to avoid electrocution hazards?

Always carry power tools by their cords.

In order to avoid struck-by hazards, which of the following should a worker be prohibited from using?

B. A screwdriver with a splintered handle. C. A hammer with a mushroomed head. D. Both B and C

Who is responsible for determining if asbestos is present in the work environment and, if so, if the amount present exceeds the permissible exposure limit (PEL)?

B. The employer

Receptacle ground fault circuit interrupters should be tested ______________.

Both B and C (Prior to each and every use and once a month)

Which class of head protection protects against falling objects and high-voltage shocks/burns?

Class E

If a construction job site has 40 workers, what is the minimum number of toilet facilities that must be provided? (Reference General Safety and Health Programs)

One toilet seat and one urinal

What is the "last line of defense" against work hazards?

PPE

A/an ___________ results from the body becoming part of an electrical circuit, with current entering the body at one point and leaving at another.

Shock

Which of the following personal protective equipment must an employer pay for? (Reference: Intro to OSHA)

Steel-toe boots that must be left in the employees' locker when he or she is not working.

A piece of a drill bit that separates from the tool and strikes the tool operator would be an example of a ____________ hazard.

Struck-by a flying object

A ____________ may only be four times as tall as their shortest base dimension. (Reference Fall Protection)

Supported Scaffold

Section 5(a)(1) of the OSH Act, which states, "Each employer shall furnish to each of his employees employment and a place of employment which are free from recognized hazards that are causing or are likely to cause death or serious physical harm to his employees," is called _____________. (Reference: Intro to OSHA)

The General Duty Clause

Which of the following is not a right every employee has under OSHA? (Reference: Intro to OSHA)

The right to refuse to work because you just don't feel like it.

Does a welder have the potential to be exposed to cadmium?

Yes