ASP Exam Questions with All Correct Answers

ASP Exam Questions with All Correct Answers Presbycusis - Answer-Hearing loss due to old age Presbyopia - Answer-impaired vision as a result of aging, difficulty focusing Byssinosis - Answer-Disease from inhaling cotton fibers. Also called "brown lung disease" or "Monday fever". Reaction against cotton, linen, hemp products in textile/fabric industry. Four (4) types of human errors discussed in Human Factors Engineering. - Answer- "Errors C.O.S.T. time and money" 1. Commission: doing something wrong 2. Omission: leaving something out 3. Sequence: doing something in the wrong order 4. Timing: doing something out of allotted time, too fast or too slow Does the employers have to post OSHA citations? - Answer-Yes, for 3 days or until corrected. Audiogram - Answer-Written record of hearing threshold at specified frequencies. Audiometer - Answer-a device that can present tones of different frequencies, from low in pitch to high in pitch, at different volumes from soft to loud What dB at 3000 hz during an audiogram means the person can't hear the tone? - Answer-30 dB Factors that affect absorption of noise - Answer-angle to noise source, frequency of noise, density, condition/cleanliness, type of mounting, shape of surface To improve noise absorption through engineering controls, what properties do you want? - Answer-Good porosity, thickness, air gaps Emissivity - Answer-Ratio of radiation emitted by a surface to the radiation emitted by a black body at the same temperature. A black body is 1.0 (highest), down to 0 (bright, reflective surfaces). Emissivity of bright metal surfaces - Answer-Low - less than 0.1 (bright metal is a good reflector), meaning it is good for reducing radiant heat. Emissivity of unpolished surfaces - Answer-Close to 1.0, which is high, meaning not great for reducing radiant heat. Carpal tunnel affects what nerve and what parts of the hand? - Answer-Median nerve. Thumb, pointer and ring fingers, NOT the pinky. Inflammation and pain in the wrist. Thenar wasting is sign of advanced disease. Metal Fume Fever - Answer-Acute condition from brief high exposure to metal fumes (e.g., zinc, magnesium, their oxides). Symptoms appear from 4 to 12 hours after exposure -- fever, shaking chills (flu-like). Recovery is quick. Workers can develop immunity, but a break and re-exposure normally makes it worse.