UTB2 Basic Math, Electrical & Plumbing Operations Flashcards
(109 cards)
The ABFC System revolves around a building block type of system. The largest type of block is a what, which brings together all of the people, facilities, equipment, and supplies required to perform a particular function? (Page 2-1)
Component
To bring together all of the information of the ABFC System, the Naval Facilities Engineering Command published what? (Page 2-1)
NAVFAC P-437
Leaching cesspools should not be placed closer together than how many feet by out-to-out measurement of the walls? (Page 2-17)
20
Leaching cesspools should be used only where the subsoil is porous to a depth of at least how many feet and where the groundwater is below this elevation? (Page 2-17)
8 or 10
Soils that require more than how many minutes for a fall of 1 inch are unsatisfactory for leaching, and some other disposal method must be used? (Page 2-18)
30
In constructing a septic tank, be sure the length of the septic tank is not less than two, or more than three times the width. The liquid depth should not be less than 4 feet for the smaller tanks and how many feet for the larger ones? (Page 2-19)
6
Although septic tanks that are designed properly require little operating attention, they must be inspected periodically; the frequency of inspection is determined by the size of the tank and the population load. The minimum frequency should be once every how many months at periods of high flow? (Page 2-19)
2
Sludge and scum accumulation should not exceed what amount of
the septic tank capacity? (Page 2-19)
1/4
A four-hole burnout field-type latrine is used at most advanced or temporary bases. The burnout latrine is kept in an orderly condition (daily) by camp maintenance personnel or by the sanitation crew assigned. Two people can effectively and efficiently dispose of the excremental waste of how many people? (Page 2-22)
500
The Milnor washer is a fully automatic or manually operated unit with a 50-pound or 100-pound load capacity. It is supplied with a programmable cycle control and an automatic supply injector and uses how many gallons of water per wash cycle? (Page 2-25)
125
What advises the commanding officer on water quality issues? (Page 2-27)
Medical department
The tank trailer, sometimes referred to as a “water buffalo,” has a capacity of how many gallons of water? (Page 2-28)
400
What process is used to disinfect water containers (lyster bags, tank trailers, etc.) and distribution systems initially before they are used or when they have become contaminated? (Page 2-28)
Superchlorination
Superchlorination is accomplished by chlorinating the water in a container or distribution system to at least100 ppm FAC and holding it in the container for how many hours? (Page 2-28)
4
At 77° F the ROWPU can produce 600 gph from fresh or brackish water and how many gph from seawater? (Page 2-35)
400
In order to perform mathematical calculations that involve more than one type of
function, you must perform the calculations in a specific order. Which function is
conducted after the exponent function calculation?
Multiplication
In whole numbers, how is the value of the number determined?
Placement in number
How many steps are used to multiply decimals?
Two
In accordance with rounding rules, if the number in the thousandth place is a 5,
what actions do you take?
Round number up
What is the top number of a fraction called?
Numerator
What is the simplest way to convert fractions to the same denominator?
Multiply their denominators
When the numerator is larger than the denominator after adding fractional
numbers, what is the result called?
Improper fraction
How does one convert a number from a fraction to a decimal?
Divide the numerator by the denominator
What formula is utilized to determine the volume of a rectangular tank?
V = L x W x H
