De energized - Study guides, Class notes & Summaries

NFPA 10 Exam 71 Questions with Verified Answers When should wheeled fire extinguishers be considered? - CORRECT ANSWER • High hazard areas are present. • Limited available personnel are present. Requiring: High agent flow rate, Increased agent stream range, increased agent capacity NON-DOT low pressure fire extinguisher cylinders that pass a hydrostatic test shall have the following recorded on a label: - CORRECT ANSWER • Month and year test was performed (perforated) • Test pre...

AMT 2 study guide exam 2024/2025 Amtrak Conductors and Engineer are classified as class ______ employees - CORRECT ANSWER-C. [1.103] Should employees in electrified territory be familiar with the location and operation of radios and telephones? - CORRECT ANSWER-Yes [1.204] When using railroad telephone lines or radios, and you hear the word "EMERGENCY" repeated three times, what must be done? - CORRECT ANSWER-All others using the phone line or radio channel must yield immediately. [1.2...

Amtrak Conductors and Engineer are classified as class ______ employees - C. [1.103] Should employees in electrified territory be familiar with the location and operation of radios and telephones? - Yes [1.204] When using railroad telephone lines or radios, and you hear the word "EMERGENCY" repeated three times, what must be done? - All others using the phone line or radio channel must yield immediately. [1.205] All occurrences or conditions which are likely to affect electric Operations...

NCCCO/ CCO Crane Exams BUNDLED TOGETHER (Latest 2023/ 2024 Update) Questions and 100% Correct Verified Answers| Grade A Q: Side loading may be caused by: Answer: Starting and stopping the swing rapidly Q: What is the best procedure to follow when underground utilities may be present? Answer: Contact local utility company Q: eccentric main boom tip reeving causes: Answer: Twisting of the boom Q: How many randomly broken wires in one lay, must there be t...

True or False: A mandatory rule can have exceptions. False True or False: Permissive rules are allowed but not required to be performed true What does NEC stand for? National Electrical Code What do chapters 1-4 of the NEC cover General electric installations What do chapters 5-7 of the NEC cover Special equipment and loctations What does chapter 8 of the NEC cover Communication systems What does chapter 9 of the NEC cover tables What is an...

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 =...

When connecting a 3-phase motor the three lines (T1,T2 and T3) are usually connected to __________. - L1, L2, and L3 Electricians use __________ to prevent damage to electrical wiring running to the machine. - rigid and flexible conduit When the wire or foil strip inside a fuse melts, the fuse is said to be __________. - blown The difference between a fuse and a circuit breaker is __________. - circuit breakers can be reset and used again The amount two electrical...

1. What action does a signal person intend the operator to perform if he extends his arm at shoulder height, makes a fist with his hand, and sticks his/her thumb up? a. Boom down b. Swing c. Boom up d. Extend boom - Answer c. 2. When hoisting personnel, within what percentage of level must a telescopic boom crane be in order for the gross ratings in the load chart to remain valid? a. 1% b. 2% c. 5% d. 8% - Answer a. 3. The load line of the crane you're operating contacts ...

under strict safety guidelines, which of the following should be used to discharge capacitors before working on de-energized circuits. - safety shorting probe for safety, assume that any facility constructed before 1980 has? - asbestos with of the following is the threshold at which a power source is considered high voltage in the context of safety? - over 600V- 600Volts insulated gloves must be inspected by the user? - always and field checked the normal beating of a heart can be upset by...

Amtrak Conductors and Engineer are classified as class ______ employees - C. [1.103] Should employees in electrified territory be familiar with the location and operation of radios and telephones? - Yes [1.204] When using railroad telephone lines or radios, and you hear the word "EMERGENCY" repeated three times, what must be done? - All others using the phone line or radio channel must yield immediately. [1.205] All occurrences or conditions which are likely to affect electric Operations...

Boom up What action does a signal person intend the operator to perform if he extends his arm at shoulder height, makes a fist with his hand, and sticks his/her thumb up? 1% When hoisting personnel, within what percentage of level must a telescopic boom crane be in order for the gross ratings in the load chart to remain valid? Stay in the cab until the lines are de-energized The load line of the crane you're operating contacts an energized power line. There's no sign of any ot...