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...

MASS 2A-1C Hoisting Exam Questions With Verified Answers How many pounds in a ton? - answer2000 pounds What type of equipment requires a H/H license in Mass? - answer10 feet or either, 1/4 cu/yd 500 pounds What type of system is used when working on de-energized circuitry? - answerLock out/Tag out All welding and cutting on hoisting equipment must be done in accordance with what code? - answer1998 ASME Chapter IX What type of protection is required for hoisting operation? - answerROPS, ...

S-12 S-13 Standpipe and Sprinkler Practice Questions with Certified Solutions "Fail Safe" when referred to in locks, means that the door can be opened if the power fails Where does the on-duty Building Evacuation Supervisor report when an alarm is activated? To the Fire Command Station ( To act as Fire Safety Director when the FSD or a Deputy FSD is not required to be on duty). "RCNY" is the abbreviation for Rules of the City of New York A fire alarm box is painted plain red (no stripe). ...

NCCCO MOBILE CRANE (2023/ 2024 Update) Questions and Verified Answers| 100% Correct 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...

HVAC Gas Heat Exam (New 2024/ 2025 Update) Questions and Verified Answers 100% Correct | A Grade QUESTION Do LP gas installati gas valves with built-in regulators? ons use Answer: No- we just said that the gas regulators are located at the supply tank. Duh. QUESTION What does a gas valve do? Answer: It stops, starts or modulates the flow of fuel gas. QUESTION What are the three classifications of gas valves? Answer: Solenoid Diaphragm Heat Mot...

IEC Final Exam Year 1 LATEST 2023/2024 GRADED A NEW VERSION The Standard for Electrical Safety in the Workplace requires that all electrical equipment operating at over ___ volts to ground be de-energized and locked out before anyone is permitted to work on or near the equipment. a.80 b.50 c.250 d.150 b. 50 Home automation controllers that utilize radio frequency (RF) ___. re the receiver to be in sight of the sender send signals thro

1. (y/n) when speaking of bare handing methods, does osha allow use of non conductive hand lines from conductor to the ground. - answer-yes# 2. If a pole is to be climbed and it is determined that it may not withstand the added stresses imposed on it, what must be done? - answer-the pole must be braced or supported 3. Before work is performed on capacitors, they must be disconnected from energized sources and, after waiting ____ minutes from the time of disconnection, short circuit. - answ...

. 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 - 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% - a. 3. The load line of the crane you're operating contacts an energized power line. T...

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 - 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% - a. 3. The load line of the crane you're operating contacts an energized power line. ...

NCCCO Core Exam Prep (2023/ 2024 Update) Questions and 100% Correct Verified Answers| Grade A 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? - ANSWER Boom up 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? - ANSWER 1% Th...