The Scholar's Depot: Where Knowledge Meets Opportunity

How often should a gasoline calibration be performed on the EIS machine? A. Every 72 days B. Every 72 hours C. Every 72 test D. Every 72 minutes - B. every 72 hours What should the technician do when a vehicle fails a smog check inspection and the vehicles owner is convinced the technician failed his/her vehicle on purpose? A. Tell him or her to take the vehicle to another smog shop B. Tell him or her you don't care and have them leave C. Tell him or her to make an appointment with t...

The average operating speed of chain or traveling grate stokers, in feet per hour, is? - 20-25 The rate of travel of a chain grate stoker at full load is most nearly? - 30-40 ft/hr Small steam boiler plants are often equipped with integral burners which consist of a(n) _____________.- Rotary cup burner and air turbine blower An oil burner consisting of a goose neck, barrel, sprayer plate, and tip nut is called a(n) ___________burner. - Mechanical The sprayer plate of a mechanical...

What does "MTW" mean is reference to boiler tubing? A. Minimum weight tested B. Minimum wall thickness C. Maximum weight tested D. Maximum wall thickness - B. Minimum wall thickness On a drawing, what is used to record any changes to the drawing? A. Coordinates B. Revision block C. Title block D. Notes - B. Revision block Scales on a drawing are usually written in: A. Inches and feet B. Metric tons C. Decimals form D. Yards - A. Inches and feet All vessels elevations are t...

When breaking a flange and liquid leaks out, you should open it more so it can drain out - False To remove the old gasket from between the flanges - Use a screwdriver scraper to push it out For a final bolt up you should have - A clean gasket surfaces, correct size bolts for flange, aligned flanges, even gap around flanges , all of the above When a lift is in progress you? - Never walk or stand under the load An OSHA approved scaffold with a yellow tag means? - Use with full pro...

Where is the exchanger blinded during a tube side pressure test? - on the channel head flanges When rigging a valve the sling should be placed around the > - Body In a pipe threading machines equipped with NPT dies to cut which type of threads? - national pipe threads Flange protector should be removed from the valve when - ready for instillation What components are attached to the baffle on an exchanger tube bundle? - tie rods All of the following are safety hazards assoc...

The part of a tool that allows different attachments to be used with it is the ______. - Collet The saw that is guided by a track in order to make straight cuts is a(n)___ _ - Panel saw A tool used to make male threads on a pipe is called a(n)______ . - Die A device used to expand boiler tubes from the inside is a(n)______ - Tube roller/expander A device used to join several piping or tubing runs is a(n)_______ . - Manifold, The tool used to determine the number of threads pe...

Slip blinds used in a hydrostatic test must meet or exceed the engineering specifications for all flanges in the system. - True After reaching 50 percent of the desired test pressure during a hydrostatic test, increase the test pressure in increments of__ - 10 percent When a pneumatic test is being run on a piping system, what device should be installed in the system to prevent over pressurizing the system? - Temporary relief valves Many piping specifications require that what device...

Which sling configuration has the greatest capacity? - Vertical To pull a bundle from the shell, the eyebolts should be installed on the? - Tube steel What is the standard pipe thread used in the USA? - NPT After getting a HOT WORK permit, who must be present before stating the work? - Fire watch What type of metal would an oxyfuel torch be used to cut? - Carbon steel When doing a hydrostatic test according to code, where should the gauge be installed on the system? - Highes...

Set - Collection or group of objects (ex: favorite color) Well-defined set - Constant set (ex: multiples of 3) X∈A - X is an element of A X∉A - X is not an element of A Roster method - { } Set builder notation - {x|x is a multiple of 3} A⊆B - A is a subset of B Equation to find number of subsets - 2^x = # (x is number of elements, # is the number of subsets) Equation to find number or proper subsets - 2^x - 1 A∩B - What they share A∪B - Ev...

Qui transtulit sustinet (Connecticut) - The one who brought us sustains us Sic semper tyrannis (Virginia) - thus always to tyrants Audemus Iura Nostra Defendere (Alabama) - We dare to defend our rights Salus populi suprema lex esto (Missouri) - The welfare of the people shall be the supreme law (Missouri) Alis volat propriis (Oregon) - She flies with her own wings Artes, scientia, veritas - Arts, knowledge, truth University of Michigan Civium in moribus rei publicae salus...