Download flashcards 25

What is the primary factor for dust gaining entrance to the
alveolar regions of the lung?
Particle size
In decision theory, if you are concerned with testing the
significance of the departure of an observed value in either a
positive or a negative direction from the value indicated by
our hypothesis, which test would you select?
A two tailed test
Describe the coefficient of variation?
The standard deviation divided by the mean
What is the effect of local or generalized grey-blue colored
impregnation of the skin tissue with silver called?
Argyria
One of your subordinates brings you a study indicating a
coefficient of correlation of -0.4 concerning the wearing of
personal protective equipment and the prevention of injuries
during a particular parts washing operation. What do you
think the study shows?
Not enough information to make a decision
What are the three basic legal principles that can be used by
plaintiffs in product liability cases?
Negligence, strict liability, breach of warranty
What is not a factor in cost effectiveness analysis, but is a
factor in cost benefit analysis?
Cost of operation if project is not completed
Which of the following is not true concerning the
establishment of management goals for the occupational
safety and health program?
Management goals should be published
What is the preferred angle for fixed industrial ladders?
75 to 90 degrees
A contractor fails to guard a large excavation filled with
water and a small child drowns in the excavation over the
weekend. The contractor could be found negligent under
which of the following legal doctrines?
Attractive nuisance or attractive allurement
What type of probability may be specified by the obvious
nature of happenings?
Priori
What could (Halon 1211) release during decomposition that
can be considered hazardous?
Hydrogen fluoride
Acetylene reacts with all of the following metals except?
Gold
What device is best suited for continuous, smooth, variable
control?
Rotary knob
What is the preferred way to purge a 30 foot diameter tank
with a flat bottom and flattop?
Siphon tubes
A large dip tank of trichloroethylene is located next to a large
sealed tank containing 50% sodium hydroxide solution.
What hazards would be encountered if these materials are
allowed to contact?
Fire and explosion
From preceding flashcard, you discover the tank containing
NaOH is made of aluminum-any problems?
NaOH rapidly corrodes aluminum
The Ames test is used to provide information about what
characteristic of a material?
Mutagenecity
The explosimeter or combustible gas indicator operates on
which principle?
Heat of combustion
What disease is associated with slaughterhouses?
Q-fever
When a liquid is used in a packed tower or scrubber and
dissolves or reacts chemically with the gas or vapor that is to
be removed-what is the process known as?
Absorption
What is the audible range for an average young person with
unimpaired hearing?
Between 20-20,000HZ
What disease is associated with the wool industry ?
Anthrax
What does the term bioaccumulation refer to?
Movement of trace metals in the food chain
According to Raoults law, if a non-volatile solute is added to
a volatile solvent, the vapor pressure is __________ and the
boiling point is ______________
Lowered, increased