Tulloch

A calibration performed by specialists with specialized equipment every 2 years, or when a repair is done is called a(n) ____________ calibration. a. acoustical b. exhaustive c. biological d. comprehensive - B . Advantages of a microprocessor audiometer are less examiner errors, requires little skill, and ___________________. a. best for difficult-to-test patients b. can test multiple patients c. greater examiner control d. less data to enter - B . An example of a(an)________________...

A Earplugs fits properly if - It is full inserted into the ear canal According to OSHA Autometric testing records more must be kept for - Duration of employment Activities that the OHC is qualified to perform. - Audiometric testing otoscopic examination An exhaustive calibration check is required. - Every two years Anatomy of the ear - Ear diagram As part of the self listing check the following is evaluated - Static /distortion Background noise levels in the testing department must be rec...

"hearing levels" used by audiometers are also known as "sound pressure levels": - false 29 CFR 1910.95 is an example of a standard, not a regulation: - false a sound level meter is used to calculate sound wave frequency: - false acoustic neuromas can manifest as an asymmetric or unilateral hearing loss: - true administrative controls to limit noise exposure to include: - limiting the time a worker spends at a noise source after rolling down a foam plug, you should wait 30 seconds befor...

1-2 - All audiometer tones should be presented for ____________ seconds 14 - When there is a positive STS, the patient must be __________ hours noise free prior to retest 140 dBP - Impulse noise becomes hazardous at 140 dBP - Single hearing protection is required when the impulse noise exceeds 20-20,000 Hz - What is the audible frequency range at birth? 2000Hz, 3000Hz, 4000Hz - Which frequencies are used in STS calculation? 21 - A worker with an OSHA-recordable hearing loss must be notifed...

0 dB HL does not mean what? - It does not mean that there is no sound at that level 0-25dB HL represents what? - Normal hearing range 90 dB HL represents what? - Typically the highest output level on a pure tone air conduction screening audiometer A laboratory value assigned to the individual porduct and not a reflection of what kind of attenuation the worker will ultimately recieve is called? - NRR Acoustic calibrations must be done? - Yearly Acoustic transformer, impedance matching syst...

3.28 The term "APRX" when contained in a new or replacing NOTAM means the NOTAM is valid (1) for approximately 24 hours. (2) for approximately 48 hours. (3) until the time quoted in the NOTAM. (4) until a cancelling or replacing NOTAM is issued. until a cancelling or replacing NOTAM is issued. 3.29 Your radio transmissions are reported READABILITY THREE. This means that your transmissions are (1) readable now and then. (2) readable with difficulty. (3) readable. (4) perfectly readabl...

A blue segmented circle on a sectional chart depicts which class airspace? - Class D A non-towered satellite airport, within the same Class D airspace as that designated for the primary airport, requires two-way radio communications to be established and maintained with the - Primary airport's control tower A special VFR clearance authorizes the pilot of an aircraft to operate VFR while within Class D airspace when the visibility is - At least 1 mile and the aircraft can remain clear of cl...

A commercial pilot or an airline transport pilot doing a checkout for a licensed pilot on a new type of airplane not allowed unless authorized by the Minister. allowed. if the pilot doing the checkout holds a valid flight instructors rating. if supervised by a TC examiner. - B. CPL or ATPL holder is ALLOWED to conduct a checkout A high performance aeroplane is one that Select one: tes with a minimum flight crew of two. Vne is greater than 250 KT and or the Vso is less than 80 KT. ...

(foreign seller) who does the money get delivered to - The IRS (lead based paint question) how many days do they have to back out - 14 days According to the language in the contract, who is supposed to fill in the date of execution/ the effective date - The broker Am i allowed to write a will for someone? Can i advise people about title issues? Can i add complex provisions into the contract language? If i do any of those things. Im engaging in what? - no; the unlawful practice of law Are ...

____ fog is produced by adiabatic cooling. - upslope (84-116 done on practical exercise) - Convective and orographic thunderstorms are two examples of which type of thunderstorm? - air mass Define a cold front and give its typical direction of movement: - the leading edge of an advancing mass of cold air; moves TO the southeast Define a front: - the boundary line between air masses of different densities Define a warm front including its slope and direction of movement: - the trailing ed...