Silica content Study guides, Class notes & Summaries

Week 8 Final Exam (timed and single access) Overall Grade (highest attempt): 96 / 100 - 96 % Question 1 2/2 points Pyroclastic flows are more associated with __________. ocean hot spots stratovolcanoes shield volcanoes flood basalts cinder cones Question 2 2/2 points In the rock cycle, what processes directly link igneous rocks to metamorphic rocks? compaction and cementation melting and crystallization deposition and lithification recrystallization by high heat and pressure weat...

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...

Stationary Engineer Exam Questions With Correct Answers Latest (GRADED A+) On a gas fired boiler what is the proper gas to air mixture - Answer 30%-70% and in special arrangements it can be as high as 100% . ANSWER CHAPTER 11 remember% What is the total hardness in a system that was found to have calcium hardness of 60ppm and magnesium hardness of 18ppm and carbon hardness of 12 ppm? - Answer TH=(Ca x 2.5) + (Mg x 4.1)nTH=(60 x 2.5) + (18 x 4.1)nTH= 150+73.8 =( 223.8 PPM) How often s...

Class B water Exam Questions and Answers Already Passed Filtration rate for rapid sand filters? 2-6 gpm/ sq ft List the characteristics of the coagulation process? Type of reaction ( physical-chemical) Time required ( reaction complete in seconds) Mixing intensity ( high intensity mixing is required for proper coagulation) Name the advantages of dual and mixed media filters over plain rapid sand filters?? Higher filtration rate and longer filter runs Proper way to re fill rapid sand filter th...

PHSC 211 Chapter 3 Quiz (Fall 2020)– Liberty University (A grade) Questions 1 through 5 are based on Lab Exercise #1: Grain Analysis. 1. Bag A contains a. well-sorted sand. b. clay. c. a moderately sorted mix of sand and silt. d. a poorly sorted mix of gravel and sand. 2. Bag B contains a. well-sorted sand. b. clay. c. a poorly sorted mix of sand and silt. d. a poorly sorted mix of gravel and sand. 3. Bag C contains a. well-sorted clay. b. well-sorted gravel (with some sa...

In the rock cycle, what processes directly link igneous rocks to metamorphic rocks?  A. weathering and erosion  B. recrystallization by high heat and pressure  C. melting and crystallization  D. deposition and lithification  E. compaction and cementation Question 2 of 50 2.0/ 2.0 Points A coarse-grained (phaneritic texture) igneous rock formed _________________.  A. on the surface of the earth in an explosive eruption  B. deep under the surface of the earth ...

Stationary Engineer Exam Questions and Answers Latest 2024/2025 (GRADED A+) How much clearance from the top of the boiler is needed for a HP boiler that produces 70000 lbs of steam? - Answer 7 feet On a gas fired boiler what is the proper gas to air mixture - Answer 30%-70% and in special arrangements it can be as high as 100% . ANSWER CHAPTER 11 remember% What is the total hardness in a system that was found to have calcium hardness of 60ppm and magnesium hardness of 18ppm and carbon hard...

Question 1 of 50 2.0 / 2.0 Points In the rock cycle, what processes directly link igneous rocks to metamorphic rocks? • A. weathering and erosion • B. recrystallization by high heat and pressure • C. melting and crystallization • D. deposition and lithification • E. compaction and cementation Question 2 of 50 2.0 / 2.0 Points A coarse-grained (phaneritic texture) igneous rock formed . • A. on the surface of the earth in an expl...

OSHA 500 EXAM LATEST UPDATE 2023 / 2024 ACTUAL EXAM QUESTIONS AND ANSWERS GRADED A+ The maximum amount of time an Authorized Outreach Trainer can teach in one day is: - ANSWERS-7 1/2 hours The 10-hour Construction Industry Outreach Training Program contains mandatory topic requirements which include "Introduction to OSHA" , "Personal Protective and Lifesaving Equipment " , "_______________________" and "Health Hazards in Construction." - ANSWERS-Focus Four Hazards (Falls, Electr...

Stationary Engineer Already Graded A+ 2024 How much clearance from the top of the boiler is needed for a HP boiler that produces 70000 lbs of steam? ️7 feet On a gas fired boiler what is the proper gas to air mixture ️30%-70% and in special arrangements it can be as high as 100% . ANSWER CHAPTER 11 remember% What is the total hardness in a system that was found to have calcium hardness of 60ppm and magnesium hardness of 18ppm and carbon hardness of 12 ppm? ️TH=(Ca x 2.5) + (Mg ...