Electrical circuits must be locked-out/tagged-out before electricians work on any equipment. Is this true or false? Select the best option. True False

(5 of 5) What type of helmet feature tended to be associated with better helmet performance? Rounder, smoother helmet shells Interior slip planes Rubber helmet liners Helmet shells with complex geometries and sharp edges

When cleaning the gun cable liner, you should always start at the end: With the gas diffuser and work towards the drive rolls That is attached to the machine and work towards the gas diffuser. It doesn't matter which end you start with as long as you clean it

A type of primary battery used in watches is a 1. alkaline battery 2. lead-acid storage battery 3. mercury battery 4. dry cell 5. lithium battery

Instrumentation tray cable can be used as a substitute for Class 3 wiring. True False

Class 3 power supplies may operate up to a maximum of 1000VA. True False

In a standard 4 -stroke piston engine, the lowest piston ring closest to the crankcase is called the A oil ring. B seat ring. C centering ring. D compression ring.

Review the question, select the best option and then select submit. A properly fitted wearable PFD should have which characteristics? Be loosely fitted to allow breathing Allows the wearer to roll over Keep the head and chin above the water Fitted to ride up around the neck

In the refrigerant safety rating B1, what does the 1 signify? Select one: A. Nonflammable B. High flammability C. Low flammability D. High pressure

Voltage-divider bias is rarely used. Select one: True False

Hot Questions

What does the Kiva Safety Info Service (KSIS)help validate and troubleshoot? Inventory discrepancies Safety-related behavior and PSC connections. Drive battery life issues System Administration

An electrician is installing a receptacle for a new clothes dryer. Although the cord for the dryer is six feet, at what distance from where the cord connects to the appliance is it recommended that he or she install the receptacle? A) Less than 1 foot B) Within 4 feet C) Within 2 feet D) Within 5 feet

What technology was used to observe the surroundings without exposing oneself above the trench line? periscope grenade stalemate

Some fixed ladders have lifelines that connect to a body harness. How long must the connection between the harness and lifeline be? 9 inches or less in length 10 to 12 inches in length 14 inches in length Proportional to the worker's height

Buck-boost transformers can be wired with __ polarity to boost the source voltage. a. additive b. cancellation c. neutral d. subtractive

Select the choice that answers the question correctly. What should you do when inspecting battery-operated lifts? a) Contact the manufacturer before inspecting b) Open the battery compartment to see if the cells are properly sealed c) Make sure the lift is plugged in during inspection d) Operate the lift before inspecting

Technician A says that the most efficient method of EVAP system leak detection is introducing smoke under low pressure from a machine specifically designed for this purpose. Technician B says that nitrogen gas pressurization uses nitrogen gas under a very low pressure (lower than 1 psi) in the fuel system; you listen for escaping air with amplified headphones. Who is correct? A) Technician A B) Technician B C) Neither Technician A nor B D) Both Technicians A and B

Isolated ground receptacle is an insulated grounding conductor that is run from neutral terminal at the main service entrance to the isolated ground terminal on the receptacle. True False

For two single-phase transformers to operate satisfactorily in parallel, they must have the same voltage ratio and __ a. different percent impedances b. different turns ratios c. opposite polarities d. the same percent impedance

You should loose the lug nuts one by one in a clockwise position. True False