De energized - Study guides, Class notes & Summaries

A suction line accumulator should be used in a residential heating pump only when recommended by the manufacturer if: a. Long refrigerant lines increase system charge over recommended maximum charge b. added oil dilution is required to maintain proper lubrication c. the system has low vapor line pressure drop and accumulator is added to improve efficiency d. the system does not include a high pressure switch or time delay - ANSWERA. Long refrigerant lines increase system charge ove...

. 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...

Electrical Wiring Questions and Answers Graded A+ What is the role of a relay in electrical circuits? A relay acts as an electrically operated switch, allowing a low-power signal to control a higher power circuit. How does the polarity of wires affect electrical devices? Correct polarity ensures that devices function properly; reversing the polarity can cause malfunction or damage. What are the common colors used to identify wires in residential wiring? Common wire colors includ...

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...

NCCCO MOBILE CRANE EXAM QUESTIONS AND 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 the load chart to remain valid? a. 1% b. 2% c. 5% d. 8% Answer- a...

NCCCO MOBILE CRANE QUESTIONS WITH 100% VERIFIED CORRECT ANSWERS 2024/2025 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 - Correct 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% ...

Massachusetts 2a Hoisting License Questions And Answers Latest Updated 2024/2025 | Scored A+. What is the purpose of the swing gear on an excavator: answer- It connects the car body to the tracks 2. Who is responisble for inspecting a trench before anyone goes in it: answer- The equipment operator 3. What is the prefered sling angle: answer- 60* 4. The top of the spoil pile is called: answer- The crown 5. A four footbdeep trench requires an additional ladder for each _ of open trench: ans...

NCCER Review Questions And Answers The density of a liquid affects the displacer's: length height buoyancy - ANS-buoyancy What mode MUST the controller be in before any changes are made to the process variable? automatic manual shut-down power off - ANS-manual Bills of material are found in: general arrangement drawings P&ID piping orthographics instrument detail drawings - ANS-general arrangement drawings When bench calibrating a temperature RTD transmitter, the ...

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. Ther...