Brainarium

With the help of BNSF, our customers reduced their total carbon emissions by ____ metric tons in 2020. - 24.7 million The results of BNSF's capital investments in 2020 included - 260 bridge projects and approximately 11,000 miles of track resurfacing or undercoating. BNSF is always analyzing ____ to adopt to improve the efficiency, safety, and customer service at our intermodal facilities. - New technologies As members of the BNSF community, our employees are entited to: - 1) Have equal...

Automatic Train Stop System (ATS) - ️️A system activated by wayside inductors positioned to apply the brakes automatically until the train stops. Automatic Block Signal System (ABS) - ️️A series of consecutive blocks governed by block signals, cab signals, or both. The signals are activated by a train or by certain conditions that affect the block use. SIGNALS DO NOT AUTHORIZE MOVEMENT. Automatic Train Control (ATC) - ️️A system to enforce compliance with cab and wayside signal...

Main Track [Verbatim] - ️️A track extending through yards and between stations that must not be occupied without authority or protection. Restricted Speed [Verbatim] - ️️When required to move at restricted speed, movement must be made at a speed that allows stopping within half the range of vision short of: • Train. • Engine. • Railroad car. • Men or equipment fouling the track. • Stop signal. or • Derail or switch lined improperly. When a train or engine is requi...

Play games, read magazines, newspapers, or other literature not related to duties, use electronic devices not related to duties. - ️️Unless permitted by the railroad, what must employees on duty not do? (rule 1.10) At any time, on any track and in either direction. - ️️Where and when must employees expect the movement of trains, engines, cars or other movable equipment? (rule 1.20) Comply with the instructions of the designated employee. - ️️Where no yardmaster is on duty, wha...

When a clearance point is not indicated or visible, the clearance point must be determined by standing outside the rail of the adjacent track and extending an arm toward the equipment. When unable to touch the equipment: ________ - ️️Leave equipment at least an additional 50 feet into the track to ensure the equipement is beyond the clearance point. BNSF 8251 East has entered a block within CTC on a Clear signal indication and stops in the block of cars. Once ready to depart, how must ...

Train Derail on MT1. X-Overs fouled. - ️️Ascertain, Secure, & Notify ASN SID & Chief Apply Blocking using Donut method since X-overs are fouled. Siding switch out of correspondence. - ️️Notify Signal Call Desk & Chief. Talk by signal & instruct to operate switch by hand. 9.13.1 Train requests authority to enter MT @ hand operated switch between control points. - ️️Check for conflicting movements Authorize & give specific direction of travel. Single Light Engine Entering trac...

Except (minus) - ️️Compares rows from two queries and returns only the rows that appear in the first set and not the second Rollback - ️️Command that undoes changes made by last two update statements Distinct - ️️Clause that produces a result set where no two rows are identical Commit - ️️Permanently saves data changes Between - ️️Checks whether an attribute value is within a range Is null - ️️Checks whether an attribute is null Union - ️️Combines rows from two...

A Bernoulli trial is a random experiment with only two outcomes, success and failure. - ️️TRUE The binomial distribution arises from a series of Bernoulli trials. - ️️TRUE The variance of a binomial random variable with parameters n and p is p(1 - p). - ️️FALSE Discrete random variables take on values across a continuum. - ️️FALSE The probability mass function of a discrete random variable is a description of the probabilities associated with each possible value of the ran...

complement of A - ️️{ x | x ∈ U and x not ∈ A} intersection - ️️A ∩ B { x | x ∈ A and x ∈ B} if this equals null set, sets are disjoint A - B = A ∩ not B union - ️️A U B { x | x ∈ A or x ∈ B (or both)} to calc prob, its P(A) + P(B) - P(A ∩ B) set - ️️collection of objects (A, B, C) elements - ️️members of a set (a, b, c) definition a subset - ️️if every element of set A is an element of set B, then A is a subset of B (order of materials does not...

How many numerical values can a Binomial random variable, X, have? - ️️n+1 T/F: A Bernoulli trial is a random experiment with only two outcomes, success and failure. - ️️TRUE The binomial distribution arises from a series of Bernoulli trials. - ️️TRUE Bernoulli - ️️2 possible outcomes - fail or success Binomial - ️️n independent bernoulli trials geometric - ️️until 1st success poisson - ️️rare events negative binomial - ️️if a coin is repeatedly tossed, wh...

Which category of on-track safety methods must be used if a project involves equipment working in the foul? - ️️Working limits on controlled and non-controlled track. ___________________ are tracks with track centers spaced less than 25 feet apart. - ️️Adjacent tracks The FRA requires a personal fall arrest system be used by employees (working outside the rails and without handrails and walkways) on railroad bridges where the fall hazard is ___ feet or greater above the ground or w...

What is the definition of a proceed indication? - ️️Any block signal indication that allows a train to proceed without stopping. What is the definition of a block system? - ️️A block or series of consecutive blocks within ABS, ACS, CTC, or interlocking limits. What is the definition of CTC? - ️️A block system that uses block signal indications to authorize train movements. All cases of personal injury while on duty must be immediately reported. If you incur a personal injury o...

Double Track - ️️Two main tracks where the current of traffic on one track is in a specified direction and in the opposite direction on the other. Dual Control Switch - ️️A power-operated switch, moveable point frog, or derail that can also be operated by hand. Electric Switch Lock - ️️An electrically controlled lock that restricts the use of a hand-operated switch or derail. Engine - ️️A unit propelled by any form of energy or more than one of these units operated from a ...

Track Bulletin - ️️A notice of conditions affecting train movement. It may also authorize movement against the current of traffic where Rule 9.14 (Movement with the Current of Traffic) is in effect. Signal Aspect - ️️The *appearance* of a fixed or cab signal. Signal Indication - ️️The *action* required by the signal aspect. Absolute Signal - ️️A block or interlocking signal without a number plate, or designated by an A marker. Double Track - ️️Two main tracks where the...

NTR 401 EXAM BUNDLE SOLVED CORRECTLY TO SCORE A+

Which nutrient function is correctly matched with its nutrient? A. Vitamin B12- maintain liver function B. Choline- maintain hematological status C. Riboflavin- erythrocyte glutathione reductase activity D.Selenium- prevention of hydrogen peroxide induce hemolysis - ️️c. riboflavin - erythrocyte glutathione reductase activity Satiety refers to the end of desire to eat after a meal, governed by hormones which signal the brain the meal is over. T/F? - ️️False -this is true of satia...

UL refers to which of the following statements? - ️️"Tolerable Upper Intake Limit" is a nutrient intake above which the risk for harm begins to increase Which of the following components does NOT have an important role in the breakdown and absorption of fats in the intestine? - ️️Salivary lipase The dietary component that is the precursor of monoacylglycerol and 2 molecules of free fatty acid in the gut is called - ️️triglyceride According to the Institute of Medicine'...

According to the Institute of Medicine's Dietary Reference Intake guidelines, a nutritionist using the RDA to plan meals for a population must take into account several sources of variation that allow calculation of the percentage of the population that would meet their requirements. Among the following, the LEAST IMPORTANT source of uncertainty would be: - ️️organic foods have different nutrient content than conventionally grown foods, as is usually noted on the labels or in the nut...

According to the Institute of Medicine's Dietary References Intake guidelines, a nutritionist using the RDA to plan meals for a population must take into account several sources of variation that allow calculation of the percent of the population that would meet their requirements. Among the following, the LEAST likely IMPORTANT source of uncertainty would be: - ️️Organic foods have different nutrient content than conventionally grown foods, as is usually noted on the labels or in th...

Which factors were LEAST likely to be considered important in determining the age and gender categories for Dietary Reference Intakes? - ️️Different racial and ethnic groups may have different nutrient requirements The brain initiates or reduces food-seeking behavior by integrating carious signals, including all of the following EXCEPT: - ️️pH of the blood The process of digestion serves ALL of the following EXCEPT: - ️️moves food components from the gut into the bloodstream A...