Noise reduction Study guides, Class notes & Summaries

1 MISSOURI BOATING LICENSE EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ Bow Correct Answer: Front of the vessel. Stern Correct Answer: Rear of the vessel. Starboard Correct Answer: Right side of the vessel. Port Correct Answer: Left side of the vessel. Hull Correct Answer: Body of the vessel. Gunwale Correct Answer: Upper edge of vessel's side. 2 Cleat Correct Answer: Metal fitting on which a rope can be fastened. Propeller Correct Answer: Rotates and...

LRA 221 Questions and Verified Answers - (2024/ 2025 Update) 100% Correct Q: Which of the following statements about scintillators is true? a. all scintillators absorb the same amount of x-ray photons b. the amount of x-rays absorbed depends on the type of scintillator c. structured phosphors produce more light spread d. unstructured phosphors are more efficient Answer: the amount of x-rays absorbed depends on the type of scintillator Q: The readout process requires that ...

HESI EXIT EXAM STUDY VERIFIED QUESTIONS AND ANSWERS 2023 LATEST UPDATE GRADED A A radiographer prepares to perform an AP projection of the distal femur on a patient with a suspected femoral fracture. Which represents the best approach for positioning both the patient and the x-ray tube? A. Rotate the leg 15 degrees medially; place the cathode end of the tube toward the foot. B. Rotate the leg 15 degrees medially; place the anode end of the tube toward the foot. C. Do not rotate the l...

Which is NOT true about noise reduction between two rooms? A. Noise reduction increases with an increase in the transmission loss of the wall separating the two rooms. B. The stiffness of the wall can affect noise reduction. C. An increase in wall area separating the two rooms is detrimental. D. To improve noise reduction, the designer should place absorptive materials on both sides of the wall. - Answer- D Which of the following is an air distribution system in which supply air originate...

Which is NOT true about noise reduction between two rooms? A. Noise reduction increases with an increase in the transmission loss of the wall separating the two rooms. B. The stiffness of the wall can affect noise reduction. C. An increase in wall area separating the two rooms is detrimental. D. To improve noise reduction, the designer should place absorptive materials on both sides of the wall. - correct answer D Which of the following is an air distribution system in which supply air ...

CAOCH PRACTICE QUESTIONS WITH SOLUTIONS 2024 Properly fitted earmuffs should cause the wearer's voice to sound deeper or muffled True False True - Properly fitted earmuffs should cause the wearer's voice to sound deeper or muffled Which of the following need NOT be removed prior to audiometric testing? Eyeglasses Earrings Chewing gum Nose Rings None of the above Which of the following need NOT be removed prior to audiometric testing? Nose Rings Prior to testing, ...

Audiology Health Technician Exam Questions with Answers Latest Updated (100% Rated) What is the primary purpose of CAOHC? - ANSWER It is to implement resources and guidance to facilitate the practice of hearing loss prevention through standardized training and credentialing of OHCs. CAOHC council is comprised of ____ professional organizations. - ANSWER 9 professional organizations CAOHC provides training for - ANSWER OHCs, CDs, and PSs CAOHC Certification period is for ____years. - ANSWE...

MRSO prep exam IEC DB/DBA limits for MRI - correct answer 140 DB 99 DBA parameters to reduce noise in MRI - correct answer -thicker slices -larger FOV -smaller matrix -parallel imaging -reducing bandwidth (increasing TE) -active noise reduction -Low SAR RF mode (increase in echo spacing)-thicker slices MRI sequence that produces the most and least noise in MRI - correct answer Most noise EPI/DWI least noise spin echo sequence an increase in slew rate and gradient amplitude ca...

Audiology Praxis Practice Exam Questions and Answers All Correct What microphone has the delay ratio of 1 and has the least sensitivity to sounds from behind? - Answer Cardioid What microphone has a delay ratio of 0 and is least sensitive to sounds on the sides? - Answer Bi-Directional What microphone is most efficient directionally and has max reduction in the back corners? - Answer Hypercardioid What is the average gain for a mixed hearing loss? - Answer 1/2 the SNHL plus thre...

The technical rescue disciplines identified in NFPA 1006 can be separated into two general categories which are? correct answers Land-based and water-based rescues What are the different PPE types and selections correct answers Head protection (helmets must conform to NFPA 1951) Face and eye protection hearing protection outerwear hand protection foot protection harnesses Head protection must conform to what NFPA? correct answers 1951 For oxyacetylene or gasoline fueled cutting...