Crystalline silica - Study guides, Class notes & Summaries

In the scientific method, a hypothesis is _______, and a theory is _________.  A. an objective observation ; an idea that hasn’t been proven  B. a tentative untested explanation ; well tested and widely accepted explanation  C. a tentative untested explanation ; a law that has been universally accepted by the scientific community  D. an educated guess ; a law that has been universally accepted by the scientific community  E. an educated guess ; a tentative untested explan...

Silica and AsbestosSilica and Asbestos - correct answer Drilling Operations Silica dust can be dispersed from construction materials with tasks like drilling. Asbestos can also be disturbed by drilling, releasing harmful fibers. Sand Blasting - correct answer Sand Blasting Sand blasting can create silica dust. Silica, or crystalline silica, is basically quartz; one of the minerals found in the earth's crust. Tridymite, and Cristobalite are other forms of silica. Tiles - correct answ...

MNO2608 Assignment 4 (VERIFIED ANSWERS) Semester 2 2024 - Due 25 September 2024 100% TRUSTED Complete, trusted solutions and explanations. QUESTION 1 [25] 1.1. An Approved Inspection Authority (AIA) conducts investigations using specialised knowledge and equipment. Advise the occupational hygienists of platinum refineries on criteria for evaluating AIA applications by the Department of Employment and Labour. (15) 1.2. Occupational hygiene risk assessment (OHRA) is a systematic method used to ide...

MNO2608 Assignment 4 (COMPLETE ANSWERS) Semester 2 2024 - DUE 25 September 2024 ; 100% TRUSTED Complete, trusted solutions and explanations. QUESTION 1 [25] 1.1. An Approved Inspection Authority (AIA) conducts investigations using specialised knowledge and equipment. Advise the occupational hygienists of platinum refineries on criteria for evaluating AIA applications by the Department of Employment and Labour. (15) 1.2. Occupational hygiene risk assessment (OHRA) is a systematic method used to ...

ENTC 206Among the different types of glass, which one is the only crystalline glass? - correct answer glass ceramic Which of the following manufacturing methods can significantly improve the mechanical strength of a ceramic product? - correct answer sintering Diamond is the hardest material known to humans. It is an excellent abrasive for making grinding wheels for machining of various materials. However, the diamond grinding wheel can NOT be used for grinding ___ material - correct answer...

Geology 1110 Exam Questions With Verified Solutions (1) The number of protons is an element's: - answeratomic number (1) The total number of protons and neutrons is an atoms? - answeratomic mass number (1) An atom that has gained electrons is: - answeran anion (1) An atom that has lost electrons is: - answercation (1) The kind of bonding characterized by sharing electrons is: - answercovalent bonding (1) What is ionic bonding - answeratoms that are attracted to each other because of diff...

OSHA 10 Questions and Answers 100% Pass Reduction of workplace fatalities and injuries after the Inception of OSHA Down 62% fatalities, down 40% injuries OSHA's mission To ensure a safe and healthy workplace for every working man and woman in the nation General duty Clause require from employees? Comply with occupational safety and health standards Required to be posted in a conspicuous location OSHA 300a year summary of workplace injuries and illnesses Report of a workpla...

OSHA Module 5: Health Hazards in Construction Questions and Answers Already Passed | Graded A+ Asbestos removal can be done by c. only specially trained workers Routes of exposure include Inhalation, Absorption, Ingestion, Injection, Direct Contact The most common form of crystalline silica is quartz What are the elements that must be included on an SDS? A. physical and chemical characteristics, health effects, exposure limits and the origin of the SDS. The best hearing protection is p...

An adequate supply of potable water is required to be provided in all places of employment. a. True b. False - Answer-a. True Employers must provide employees with effective information and training on hazardous chemicals in their work area at the time of their initial assignment, and whenever a new physical or health hazard the employees have not previously been trained about is introduced into their work area. a. True b. False - Answer-a. True Hazard Communication employee training req...

Why do we have seasons? (a)because the sun moves further away from the sun in the winter? (b)because the sun gets colder in winter? (c)because earth's rotation axis is tilted? - correct answer c we used to have 9 planets. what happened? (a)It got destroyed (b)Big government decided that we should only have 8 planets (c)A new discovery made scientists reconsider - correct answer c How are ...