Sewage Treatment Worker Practice Test Questions and Answers 100% Correct
Sewage Treatment Worker Practice Test Questions and Answers 100% Correct
Sewage Treatment Worker Practice Test Questions and Answers 100% Correct
Sewage Treatment Worker Practice Test Questions and Answers 100% Correc...
Sewage Treatment Worker Practice Test Questions and Answers 100% Correct
The scale on the drawing is 1/8"=1. What is the actual length of a line that measures 2" 1/4' on the drawing? - ANSWER-6 ft? 18 ft?
Which of the following measure the specific gravity of the electrolyte of a wet cell battery? - ANSWER-Hydrometer
A possible cause for an air conditioner compressor to run continuously is a - ANSWER-
Defective low pressure control switch? Shortage of refrigerant?
Threads are cut in a rod by rotating the die stick 1/4 turn back for each 1/2 forward turn, this is done in order to? - ANSWER-Break the Chips
Three pumps are connected to a water tank, each pump pumps a rate of A=150 GPH B=250 GPH C=500 GPH, what is the average pumping rate of the pumps in gallons per hour? - ANSWER-300
If the capacity of the water tank is 14,250 gallons, how many hours will it take to fill the tank using only pumps B=250 GPH and C=500 GPH - ANSWER-19
What type of power tool uses the blades shown below? Diagram - ANSWER-
Reciprocating Saw
What is the length of pipe needed to make four pieces measuring 18 3/4", 8 1/8", 16 5/16", 24 1/2"? - ANSWER-67 11/16
The one of the following that is not on a glove valve is? - ANSWER-Wedge
An elbow having an outside thread on one end and inside thread on the other end is called - ANSWER-Street Elbow
When drilling cotter pin holes in a piece of round stock, the piece should be held with a -
ANSWER-V Block
The volume of the tank in cubic feet is D=10 ft, H=40 ft? - ANSWER-3,142 (3.14 x 5 squares x 40) How many gallons of paint will be needed to paint the inside of the above tank, (Assume
that one gallon of paint cover 100 sq. feet) Diameter is 10, Height is 40 - ANSWER-12?
14? How
The gauges in the above drawing represents the current reading of water meter in cubic
meters. If the previous reading was 1932, how much water has been used? Diagram is showing 9159 - ANSWER-7227
Which of the following power tools should be used for driving and removing nuts, bolts, studs, and screws? - ANSWER-Air impact gun
Of the following, the main reason for using lubricant is to - ANSWER-Reduce Friction
The order to prepare concrete using a 1:2:4 volumetric ratio, how much gravel and sand
should be mixed with 22 bags of cement? - ANSWER-44 cu. ft. and 88 cu. ft. of gravel
The SAE numbers of an oil refer to its - ANSWER-Viscosity
The least important factor when determining a suitable viscosity for a bearing lube is the
- ANSWER-Location of bearing? Operating speed?
Which of the following tools should be used when finishing a surface? - ANSWER-
Orbital Sander
What is the capacity of this tank, 20'wide, 40' long, and 10' high - ANSWER-8000 (multiply them all)
What is the area of the base of the above tank in sq. ft? - ANSWER-800 (Length x width)
The knot that should be used when joining 2 lines of different thicknesses? - ANSWER-
Sheet Bend
A method of joining 2 overlapping plates by drilling a hole and filling the hole with metal is? - ANSWER-Plug Weld
Why should a centrifugal pump be primed before starting it up? - ANSWER-To remove Air
Which of the following tools would give the most accurate measurement of the diameter of the shaft? - ANSWER-Outside micrometer
Which of the following is the function of the impeller wear ring? - ANSWER-Physically separate the high and low pressure zones
What is the minimum angle a ladder should be placed from the wall? - ANSWER-25%
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