Pipe Study guides, Class notes & Summaries

which disinfectant would work best against Cryptosporidium Ozone The pH of a Water sample Is greater than the PHs so the Langlier index indicates the water is scale forming When water high in calcium bicarbonate is softened by ion exchange Sodium Bicarbonate remains in the product water A bypass valve would be used with a gate valve Where ground frost is expected the riser pipes in a meter pit should be atleast how far away from any wall of the meter box to prevent freezing 1-2 inches ...

What is the result if the neutral wire becomes open on a multiwire circuit having unequal loads? Select one: a. The load of higher resistance would overheat and probably be damaged. b. The load of lesser resistance would overheat and probably be damaged. c. No effect until one load is turned off or opens. d. No effect. The load of higher resistance would overheat and probably be damaged. Refer to Figure 128.202. ___ volts are applied across the water heater element. S...

Solution Manual - Mathematics for Plumbers and Pipefitters 8th Edition by Lee Smith|2023 Updated|

Grade 1 Mechanical Technologist Study Guide Questions and Answers 100% Pass Which welding process is most commonly used for small pipe maintenance welding? Oxyacetylene gas welding What is the proper definition of an engine? It is a machine designed to convert energy into useful mechanical motion What is wet stacking and how can it be prevented? It is unburned fuel collecting in the exhaust due to light or no load conditions. To check flywheel face runout, where should the dial indicator be ...

NEIEP 500 Final Exam Version 2 (Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Grade A Q: Proper adjustment of which of the following can reduce the effects of building compression on an elevator installation? Answer: Rail jack bolts Q: When installing passenger hoistway entrances in a rise of more than three floors without a running platform, which procedure should you follow? Answer: Build a template that you can use to measure off the door frame ...

LIRR Air Brakes Review Colors for: -Brake pipe needle -Brake cylinder needle - correct answer Brake pipe = White Brake cylinder = Red Fully charged train, the brake pipe pressures for a diesel train and freight train (also M3 and M7) - correct answer Diesel = 110psi Freight = 90psi M3 = 130-150psi M7 = 120-150psi Diesel Passenger Train (C3) - Air and Electrical Connections - correct answer -Brake Pipe -Main Reservoir -4 High Voltage, 3pt. Jumpers -black 36pt. Jumper -blue 36pt....

To measure the strength of a welded joint what mechanical test would you prescribe? a) A transverse weld tension test. b) A charpy test. c) A CTOD test. d) An all weld metal tension test. e) A side bend test. - a) A transverse weld tension test. Select the cutting process that would provide the narrowest heat affected zone when cutting 12.5 mm (0.5 in) thick carbon steel. a) Oxy-acetylene cutting. b) Air-carbon arc cutting. c) Oxy-propane cutting. d) Plasma arc cutting. e) Laser beam...

LCR4805 ASSIGNMENT 1 MEMO - SEMESTER 1 - 2023 - UNISA - (DETAILED ANSWERS - DISTINCTION GUARANTEED) QUESTION 1 During the recruitment of new staff, an employer checks the profiles of the candidates on various social networks and includes information from these networks in the screening process. The employer has not informed the candidates about this. 1.1 Does the Protection of Personal Information Act 4 of 2013 allow an employer to include information of candidates found on social networks ...

The best way to protect a pressure gauge from pressure surges is by A. installing a shutoff valve. B. disconnecting the gauge. C. installing a plug valve. D. using a snubber with the gauge. - Answer-D. using a snubber with the gauge. Hydraulic lines should NEVER be constructed of A. galvanized pipe. B. Teflon-lined hose. C. tubing. D. black steel pipe. - Answer-A. galvanized pipe. The purpose of a bypass line around a system filter is to A. regulate pressure. B. allow passage of flow...

Seeding of BOD samples is necessary when samples - (All of the above) have a chlorine residual, have a previously been chlorinated, have been subjected to high temperatures, contain high or low pH industrial wastes When is blue-green algae the most dominant on a pond treatment system? - Summer A 30-inch diameter wastewater interceptor is observed to be flowing half-full at about two fps. The approximate volume of wastewater flowing through the pipe is 3.14x1.25 x 1.25 x 2 = 4.9 cfs x 449 = ...