NCCER Study guides, Class notes & Summaries

b. 2,689 - Answer 1. The number matching the words "two thousand, six hundred eighty-nine" is a. 2,286 b. 2,689 c. 6,289 d. 20,689 a. 1,759 - Answer 2. A bricklayer lays 649 bricks the first day, 632 the second day, and 478 the third day. During the three-day period, the bricklayer laid a total of a. 1,759 b. 1,760 c. 1,769 d. 1,770 c. 989 - Answer 3. A total of 1,478 feet of cable was supplied for a job. Only 489 feet were installed. How many feet of cable remain...

when using power tools, never engage the? - Answer trigger lock. before replacing parts such as bits, blades or disks on any tool, you must? - Answer make sure it is disconnected from its source or energy most hammer drills will not hammer until pressure is? - Answer applied to the drill bit against a surface a pneumatic drill is commonly used? - Answer when there is no source of electricity never use a circular saw that does not have an upper blade guard because? - Answer ...

1. Pneumatic tools get their power from a. air pressure b. fluid pressure c. hand pumps d. AC power sources - Answer a. air pressure 2. The most common use of the power drill is to a. cut wood, metal, and plastic b. drive nails into wood, metal, and plastic c. make holes in wood, metal, and plastic d. carve letters in wood, metal, and plastic - Answer c. make holes in wood, metal, and plastic 3. A masonry bit is able to drill into concrete and similar material because it has a a. count...

the max load weight that a sling is designed to carry is the? - Answer rated capacity most alloy steel chain slings can be used in Temps up to? - Answer 500°F (260°c) when a tattle tail has been pulled into the jacket of a synthetic sling, the sling most likely has been? - Answer overloaded if a wire rope sling appears to be damaged the decision to keep it in service must be made by a? - Answer competent person because of the need for increased toughness, shackles for most ...

a companies documented philosophy is called its? - Answer mission statement the time to learn about a potential employer is? - Answer before an application is ever submitted when preparing a resume, you should? - Answer format your resume chronologically during a job search, it is good practice to? - Answer look for a job that will match your skill level before employment begins, candidates for construction jobs most often? - Answer have a drug test submitted how do most...

Transmitting pulses of light into a glass or plastic fiber, where they reflect off the inner walls of the fiber core until they are received at the opposite end of the cable is _____ - Answer the basic theory of how a fiber optic system functions A photosensitive detector used to convert a light signal back into an electrical form is a - Answer receiver Applications where remote powering of devices that must be electrically isolated from a power supply, such as those used in explosive ...

Companies with strong safety cultures usually have lower _ . - Answer turnover Safety is a learned behavior and attitude. T/F - Answer TRUE Poor lighting, excessive noise, inadequate guards for moving parts are examples of _ _. - Answer unsafe conditions The activity that consists of breaking a job into its component task and then analyzing each step for potential hazards is called _ _ _ . - Answer job safety analysis The measure of probability, consequences, and exposure rel...

Ropebanding - Answer In a guardrail system, the guardrails can be made of any of the following EXCEPT: a) pipe b) chain c) ropebanding d) cable 9..6 ohms - Answer If the potential across the circuit is 48 volts and the current is 5 amps the resistance of the circuit is: a) 4.8 ohms b) 9.6 ohms c) 48.0 ohms d) 96.0 ohms 8' - Answer A UL listed rod type grounding electrode must have a MINIMUM length of: a) 6' b) 8' c) 10' d) 20' 3 - Answer What is the MINIMUM ...

Convert 1/4 to its decimal equivalent. A) .01 B) .25 C) 0.4 D) 0.5 - Answer B Piping that is field-routed to a pump must be supported A) Off the pump suction B) Diagonally C) Independently D) Off the pump discharge - Answer C What is used when lighting a cutting torch ? A) Striker B) Cigarette lighter C) Match D) Any open flame - Answer A Where is specific information needed to install piping and associated items found ? A) Reliability network B) Owner of the company...

A UL listed rod type ground electrode must have minimum length of - 8'' in a circuit of pure capacitance, the current leads the voltage by - 90 degrees The standard unit for measuring the cross sectional area of wire is the - circular mil the drawing scale is most likely to be found in the - drawing title block what is the minimum number of overload sensing units required for all three phase motors - 3 what is the resultant distance between center bends for a 10-inch offset at 15 degrees ...