How do buffers work - Study guides, Class notes & Summaries

NEIEP 200 Final Exam (courses 205- 250): Questions & Answers NEIEP 200 Final Exam (courses 205- 250): Questions & Answers you are about to loosen a fishplate bolt. which wrench would be least likely to slip? (Ansa. 6 point box end wrench b. 12 point box end wrench c. open end wrench you are using a plumb line to check a rail for plumb. you find that at the top it measures 1" and at the bottom it measures 1 1/4". what does this tell you? (Ansa. the top of the rail needs to go towards...

CHM142 Exam 3 Questions And Answers 2024 A+ Review Buffer - ANS-Something that minimizes impact of the external force (in acid-base systems, force = pH) Acid-Base Buffer - ANS-A solution that will minimize changes in pH upon the addition of acid or base What is a buffer made of? - ANS-An acidic and a basic component - a conjugate acid-base pair (weak acid and conjugate base or weak base and conjugate acid) How do buffers work? - ANS-Through the common ion effect Common Ion Effect - ANS-Oc...

NEIEP 200 Final Exam (courses 205- 250): Questions & Answers NEIEP 200 Final Exam (courses 205- 250): Questions & Answers you are about to loosen a fishplate bolt. which wrench would be least likely to slip? (Ansa. 6 point box end wrench b. 12 point box end wrench c. open end wrench you are using a plumb line to check a rail for plumb. you find that at the top it measures 1" and at the bottom it measures 1 1/4". what does this tell you? (Ansa. the top of the rail needs to go towards...

Exam 4 Chemistry Questions & Answers 2024/2025 Define Acid-Base Buffer - ANS-A solution that lessens the impact on pH from the addition of acid or base. How do buffers work? - ANS-Through the common ion effect When does the common ion effect occur? - ANS-When a given ion is added to an equilibrium mixture that already contains that ion, and the position of equilibrium shifts away from forming it. True/False: Any insoluble compound actually does dissolve to a slight extent. - ANS-True. W...

Mechanics Exam Review-NEIEP Exam Questions And Verified Correct Answers Latest 2024 Update A contractor wants to raise the car speed from 100 fpm to 125 fpm, it currently has a 12" sheave. What is required? 100 fpm/125 fpm= 12"/ X =15 A MOV (Metal Oxide Varistor) burns out. You replace it, but cannot read voltage or resistance. What should you do? Replace it with a larger MOV - 630 On a Ward-Leonard circuit the brake is set, but the motor is trying to slip through the brake. What is...

Mike's Ultimate Elevator Mechanics Exam Review 2024 Solved 100% Correct Already Graded A 1. A contractor wants to raise the car speed from 100fpm to 125fpm, it currently has a 12" sheave. What sheave is required? - ANSWER>>100fpm / 125fpm = 12" / X= 15" 2. A MOV (Metal Oxide Varistor) burns out. You replace it, but cannot read voltage or resistance. What should you do? - ANSWER>>Replace it with a larger MOV 630 3. On a Ward-Leonard circuit the break is set, but the motor is...

1. A contractor wants to raise the car speed from 100fpm to 125fpm, it currently has a 12" sheave. What sheave is required? Answer: 100fpm / 125fpm = 12" / X= 15" 2. 2. A MOV (Metal Oxide Varistor) burns out. You replace it, but cannot read voltage or resistance. What should you do? Answer: Replace it with a larger MOV 630 3. 3. On a Ward-Leonard circuit the break is set, but the motor is trying to slip through the break. What is the issue? Answer: Suicide Circuit 425 4. 4. You have an ...

Elevator Mechanic Exam Review | 100% Correct Answers | Verified | Latest 2024 Version A contractor wants to raise the car speed from 100fpm to 125fpm, it currently has a 12" sheave. What sheave is required? - Diam=12" 12/4=3" 25fpm=3" 100fpm + 25fpm= 12"+3"= 15" sheave A MOV (Metal Oxide Varistor) burns out. You replace it, but cannot read voltage or resistance. What should you do? - Replace it with a larger MOV On a Ward-Leonard circuit the break is set, but the motor is trying...

CAPM Exam 196 Questions with Verified Answers Cost Variance formula - CORRECT ANSWER Earned Value (EV) - Actual Cost (AC) What are the 6 constraints? - CORRECT ANSWER Scope, Risk, Resources, Quality, Schedule, Budget Initiating (Process Group) - CORRECT ANSWER Processes performed to define a new PROJECT or a new PHASE of an existing project Planning (Process Group) - CORRECT ANSWER Processes performed to establish total scope of effort, define and refine objectives, and develop a cou...

A contractor wants to raise the car speed from 100fpm to 125fpm, it currently has a 12" sheave. What sheave is required? - Answer: Diam=12" 12/4=3" 25fpm=3" 100fpm + 25fpm= 12"+3"= 15" sheave A MOV (Metal Oxide Varistor) burns out. You replace it, but cannot read voltage or resistance. What should you do? - Answer: Replace it with a larger MOV On a Ward-Leonard circuit the break is set, but the motor is trying to slip through the break. What is the issue? - Answer: Suicide Cir...