RAMSAY MAINTENANCE TEST
COMPREHENSIVE QUESTIONS AND
COMPLETE SOLUTIONS
◉ Hydraulic lines should NEVER be constructed of
A. galvanized pipe.
B. Teflon-lined hose.
C. tubing.
D. black steel pipe.
Answer: A. galvanized pipe.
◉ The purpose of a bypass line around a system filter is to
A. regulate pressure.
B. allow passage of flow in case of emergency.
C. offer less resistance to flow than bushings.
D. require less space than bushings.
Answer: B. allow passage of flow in case of emergency.
◉ If a cylinder has an input pressure of 50 psi and the BLANK SIDE
of the piston is 5 sq. inches, how much total force is applied by the
piston?
A. 5 lbs.
,B. 10 lbs.
C. 50 lbs.
D. 250 lbs.
Answer: D. 250 lbs.
◉ A 40% pressure drop across an oil filter screen indicates that the
A. screen is broken.
B. line pressure is too low.
C. screen is dirty.
D. line pressure is too high.
Answer: C. screen is dirty.
◉ An air-breather is installed on a fluid reservoir to
A. allow overflow.
B. cool the oil.
C. vent the reservoir.
D. control air pollution.
Answer: C. vent the reservoir.
◉ Which best describes the piston surface area of a single-rod,
double-acting piston?
A. Spring-loaded
,B. Unequal
C. Equal
D. Balanced
Answer: B. Unequal
◉ What kind of valve allows flow in only one direction?
A. Needle
B. Check
C. Gate
D. Globe
Answer: B. Check
◉ Pressure on a fluid is
A. higher at the inlet.
B. distributed equally in the fluid.
C. lower than input pressure.
D. higher than input pressure.
Answer: B. distributed equally in the fluid.
◉ Shutting the fluid discharge of an air-operated reciprocating
pump will cause the pump to
A. reverse direction.
, B. lift the relief valve.
C. overstroke.
D. stall.
Answer: C. overstroke.
◉ The main difference between pneumatic cylinders and hydraulic
cylinders is that hydraulic cylinders
A. are more easily repaired.
B. require return lines.
C. are lighter in weight.
D. have a greater size selection.
Answer: B. require return lines.
◉ Peak hydraulic system demands may be met by the use of
A. an accumulator.
B. a dual system.
C. a large reservoir.
D. an oversize pump.
Answer: A. an accumulator.
◉ Air leaving the exhaust port of a four-way valve is directed to the
A. Aftercooler.
COMPREHENSIVE QUESTIONS AND
COMPLETE SOLUTIONS
◉ Hydraulic lines should NEVER be constructed of
A. galvanized pipe.
B. Teflon-lined hose.
C. tubing.
D. black steel pipe.
Answer: A. galvanized pipe.
◉ The purpose of a bypass line around a system filter is to
A. regulate pressure.
B. allow passage of flow in case of emergency.
C. offer less resistance to flow than bushings.
D. require less space than bushings.
Answer: B. allow passage of flow in case of emergency.
◉ If a cylinder has an input pressure of 50 psi and the BLANK SIDE
of the piston is 5 sq. inches, how much total force is applied by the
piston?
A. 5 lbs.
,B. 10 lbs.
C. 50 lbs.
D. 250 lbs.
Answer: D. 250 lbs.
◉ A 40% pressure drop across an oil filter screen indicates that the
A. screen is broken.
B. line pressure is too low.
C. screen is dirty.
D. line pressure is too high.
Answer: C. screen is dirty.
◉ An air-breather is installed on a fluid reservoir to
A. allow overflow.
B. cool the oil.
C. vent the reservoir.
D. control air pollution.
Answer: C. vent the reservoir.
◉ Which best describes the piston surface area of a single-rod,
double-acting piston?
A. Spring-loaded
,B. Unequal
C. Equal
D. Balanced
Answer: B. Unequal
◉ What kind of valve allows flow in only one direction?
A. Needle
B. Check
C. Gate
D. Globe
Answer: B. Check
◉ Pressure on a fluid is
A. higher at the inlet.
B. distributed equally in the fluid.
C. lower than input pressure.
D. higher than input pressure.
Answer: B. distributed equally in the fluid.
◉ Shutting the fluid discharge of an air-operated reciprocating
pump will cause the pump to
A. reverse direction.
, B. lift the relief valve.
C. overstroke.
D. stall.
Answer: C. overstroke.
◉ The main difference between pneumatic cylinders and hydraulic
cylinders is that hydraulic cylinders
A. are more easily repaired.
B. require return lines.
C. are lighter in weight.
D. have a greater size selection.
Answer: B. require return lines.
◉ Peak hydraulic system demands may be met by the use of
A. an accumulator.
B. a dual system.
C. a large reservoir.
D. an oversize pump.
Answer: A. an accumulator.
◉ Air leaving the exhaust port of a four-way valve is directed to the
A. Aftercooler.
