Piston displacement - Study guides, Class notes & Summaries

What are grab samples and when is it used? - ️️A single sample taken at one place and time. Used when water quality and quantity are not variable What is used to measure flow in an open channel? - ️️Weirs or flumes. Flow is determined by the height of water at a particular point Why are particles that cause turbidity harmful? - ️️They can hide or entrap harmful organisms so that the disinfectant is unable to reach them. It calls increases CL demand which can be carcinogenic Wh...

Power engineering Class 4 Part B Exam Questions and Answers 100% Pass e - Correct Answer ️️ -Impulse turbines: Choose one answer. a. are only used with low pressure steam b. require large thrust bearings c. were invented by Parsons d. have large pressure drops across the huckets e. have blades with the same steam inlet and outlet angles d - Correct Answer ️️ -The stationary passages of a reaction turbine are called the: Choose one answer. a. Shaft b. Rotor c. Shroud ring d....

TCFP Driver/ Operator Questions Bank | 600 Questions and Answers | Latest Update 2024. In 1720 what was the piece of equipment to replace the bucket brigade? Hand Pump Which NFPA standard required new fire apparatus to be designed so that all members riding on the fire apparatus would be provided a seated area inside an enclosed cab? NFPA 1500 What was the first gasoline powered fire apparatus to discharge water by using a large soda acid extinguisher? Chemical Wagon The real breakthrou...

Commercial Refrigeration FINAL TEST Questions with Verified Answers A SORIT, BEPR, or CDA valve may be used as a ____ valve Evaporator pressure regulating (EPR) A typical low temperature rack maintains a suction temperature of ____ -25 degrees F ARI Standard 710-86 specifies flow rates through a filter drier at a pressure drop of _____ 1 Psig How are the disadvantages overcome in compressors that are employed in low temperature applications? Use supplementary cooling How are t...

The modern fire department pumper is equipped with a ____ as its main pump. correct answers Centrifugal pump Because they can pump air, _____ pumps are used as priming devices to get water into the centrifugal pumps during drafting operations. correct answers Positive displacement pumps ____ contain a piston that moves back and forth or up and down inside a cylinder. correct answers Piston pumps A _____ is a piston pump that can both receive and discharge water on each stroke of the pis...

What materials form the bases of the three types of hydraulic fluids? - ️️Vegetable, mineral, and phosphate-esters. What colors denote mineral-based and phosphate-ester-based hydraulic fluids? - ️️Mineral based fluids are red and phosphate-ester based fluids are light purple. What are the results of exposing lacquers, oil-based paint, plastic resins, and vinyl compounds to phosphate-ester-based hydraulic fluid? - ️️The materials will be damaged and/or softened, or the paint wil...

What are the 5 basic components of a hydraulic system? Power input/output device, Conductor, Liquid, Control device What term is used to describe the maximum possible reading of a pressure gauge? Range A(n) __________ fitting is used when you want to connect two circuits to a single supply. Tee Quick-connect fittings have a __________ valve built in. Check valve A double-acting cylinder will extend when oil flows into the __________. Cap end The most commo...

Millwright Red Seal Study 1 Exam Questions With Verified Answers Which of the following best describes a free flow control valve? A) It is the simplest form of directional control allowing flow in one direction only B) They are used to prevent a load suspended by a cylinder from free fall C) They operate actuators at different times D) They make a humming sound when activated E) They control the rate of fluid flow in a hydraulic circuit E) They control the rate of fluid flow in a hydrauli...

1. How may fittings be attached to a high pressure boiler? - Answer-Threaded, Certified welds, Flanges Which test determines the relieving capacity of safety valves - Answer-Accumulation test Flue gasses can leave at high temperatures. We can recover some of this heat using a(n): - Answer-Economizer Feed water is typically heated with - Answer-Waste or extracted steam What is the maximum pounds of steam per hour of a boiler called? - Answer-Boiler capacity What is a steam condense...

1. Proteins necessary for body's mainte- nance, growth, and repair (GS) 2. Carbohydrates and Fats used primarily for energy (GS) 3. 212 Water boils at degrees fahrenheit (GS) 4. 100 Water boils at degrees Cel- sius (GS) 5. 373 Water boils at Ks on the Kelvin scale (GS) 6. Veins carry blood from capillaries toward the heart. (GS) 7. Arteries carry blood away from the heart. (GS) 8. Ventricles lower chamber of the heart (GS) 9. Red Blood Cells component of blood which car- ri...