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What two basic methods are used to acquire a digital x-ray image? - Direct imaging(sensor) & indirect imaging(PSP) Advantages of Digital Radiography - Immediate viewing of images, less radiation, no chemicals, ability to enhance images, communication with other dentists, no more lost films, remote consultation capability Disadvantages of Digital Radiography - Cost, converting previous records to digital, learning the computer software, thickness and rigidity of sensors, infection control ...

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 ...

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

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

Companies with strong safety cultures usually have lower? - Turnover Poor lighting, excessive noise, and inadequate guards for moving parts are examples of - unsafe conditions The activity that consists of breaking a job into its component tasks and then analyzing each step for potential hazards is called a _____. - Job Safety Analysis A measure of the probability, consequences, and exposure related to an event is referred to as _____. - Risk If there is a hole in the floor of a structure...

Which of these is a true statement regarding safety? - Safety is a learned behavior and attitude. A measure of the probability, consequences, and exposure related to an event is referred to as _____. - Risk When placing a ladder against a platform or roof, the top of the ladder should extend above the point where the ladder touches the platform or roof by at least _____. - 3 feet One of the most common grounding systems used for protection against accidental electrical shock is the _____. ...

Splices in rail tracks shall have - Smooth Joints Hydraulic systems should have their proper fluid level checked - Daily If power fails during operations, the following shouldn't apply - Do your best to finish moving load where it was designated to go If load is undetermined who is to find out if load weight does not exceed crane rating at radius at which the load is to be lifted - Person responsible for lift Where should climbing instructions be kept - ON Site All climbing operations sh...

When making a multiple crane lift, it is important for the operator to understand that: - The weight may increase if the other crane lands the load If a crane is not set-up level and the operator swings a load from the high side to the low side, the load radius will: - Increase Most crane manufacturers reduce load capacity for duty-cycle operations because: - Side loading forces may occur On who's recommendations should a preventative maintenance program be set-up? - Crane manufacturer ...

1. A wire rope that is a 6x19 classification could have how many wires per strand? - 15 through 26 wires per strand 2. How often should a synthetic web sling be inspected? - Each day before use 3. Which considerations should be given to suspend lifting operations with a mobile crane? - Winds in excess of 35 mph 4. What is the term that best describes surface wear on a wire rope sling to rubbing or sliding? - Abrasion 5. Which of the following defects discovered during an inspection would ...

Where is the best location for leveling a crane? - Upperworks When determining the "gross load" the best method is: - Get an accurate load weight and add the rigging. By order of hitch strength, which is the correct answer? - Basket, vertical, choker What is the purpose of using a jib? - Increase height When taking a side strain on a boom, what concerns the operator most? - Boom damage You should always have at least how many wraps on a hoist drum? - 2 On a load chart, values above 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. ...

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. ...

The lattice boom is designed to take winds of up to 20 mph. from the side plus a full rated load, plus a direct side load equal to what percent of the rated load? - 2% The part of the load chart governed by stability is based on what percentage of capacity while a crawler crane is working over the side quadrant? - A. 75% The most unstable working quadrant for a crawler crane is the; - Side What type of capacity is listed on a crane load chart? - Static If the manufacture of a particular cr...

Which area do truck cranes without a 5th outrigger generally have no lifting capacity unless the manufacturer states otherwise? - The front What is the definition of "operating radius?" - The distance from the center of rotation of the crane to the center of gravity of the load What applies to the capacities below the bold line shown on a load chart? - They are based on the stability of the crane In which quadrant are rough terrain crane capacities generally greater? - Over the front Wh...

Before leveling a mobile crane on outriggers, an operator should ensure: - there is no weight of the crane bearing on any tires Operating a mobile crane with a long boom, on uneven ground, what support condition should be considered? - Keeping 90 degree angle between cylinder rod and pad What is the primary purpose fir a rooster sheave or auxiliary boom point sheave? - Separate the boom hoist lines How many randomly broken wires in a lay length must there be on a mobile cranes hoist line, ...

Which of the following factors can have a negative effect on uterine blood flow? a. Hypertension b. Epidural c. Hemorrhage d. Diabetes e. All of the above - e. All of the above How does the fetus compensate for decreased maternal circulating volume? a. Increases cardiac output by increasing stroke volume. b. Increases cardiac output by increasing it's heart rate. c. Increases cardiac output by increasing fetal movement. - b. Increases cardiac output by increasing it's heart rate. St...

Which of the following factors can have a negative effect on uterine blood flow? a. Hypertension b. Epidural c. Hemorrhage d. Diabetes e. All of the above - e. All of the above Stimulating the vagus nerve typically produces: a. A decrease in the heart rate b. An increase in the heart rate c. An increase in stroke volume d. No change - a. A decrease in the heart rate The vagus nerve begins maturation 26 to 28 weeks. Its dominance results in what effect to the FHR baseline? a. Increas...

Oxygen is transferred from mom to fetus via the placenta through? - Passive (Simple) Diffusion Intervillous space perfusion is dependent on? - Adequate Uterine Blood Flow Maternal Fetal Exchange is best promoted by which maternal position? - Either Rt or Lt Lateral What is transfer down the concentration gradient from higher to lower called? - Diffusion The most likely physical rationale for recurrent late decels after epidural is? - Maternal Sympathetic Blockade Which FHR pattern would be...

Home health care covers occasional visits from who? - Registered nurses, licensed practical nurses, community-based professionals (like hospice). **Does NOT cover visits from attending physicians. Programs that are provided to people who are too poor to qualify for Medicaid. - State-only Medicaid programs LTC provision that provides a guarantee that certain policy benefits will remain available even if the insured stops paying premiums. (Offers option of a paid-up policy providing the same...

which of the following can inspect welds on steel I beams in a commercial structure: A. Building inspector B. Contractor C. Designed professional engineer D. Jose the weld - C See GS160D-1106 Outdoor heated pool covers shall be provided with a ________? - Class 1 vapor retardant cover Energy Code R403.10.3 In a residence, Total duct leakage shall be less than or equal to __ cfm per 100 sq/ft of conditioned floor area served by that system - 5 Energy Code R403.3.3.1 In a residence, Hea...