SEWAGE TREATMENT WORKER
EXAMINATION TEST 2026 VERIFIED
QUESTIONS AND SOLUTIONS GRADED A+
⩥ 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
EXAMINATION TEST 2026 VERIFIED
QUESTIONS AND SOLUTIONS GRADED A+
⩥ 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
