Download RAMSAY MAINTENANCE ACTUAL EXAM AND PRACTICE EXAMS and more Exams Physics in PDF only on Docsity!
RAMSAY MAINTENANCE ACTUAL EXAM AND
PRACTICE EXAMS WITH COMPLETE QUESTIONS
AND CORRECT DETAILED ANSWERS LATEST UPDATE
The best way to protect a pressure gauge from pressure surges is by A. installing a shutoff valve. B. disconnecting the gauge. C. installing a plug valve. D. using a snubber with the gauge. - CORRECT ANSWER = D. using a snubber with the gauge. Hydraulic lines should NEVER be constructed of A. galvanized pipe. B. Teflon-lined hose. C. tubing. D. black steel pipe. - CORRECT 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. - CORRECT 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. - CORRECT 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. - CORRECT 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. - CORRECT ANSWER = C. vent the reservoir.
B. lift the relief valve. C. overstroke. D. stall. - CORRECT 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. - CORRECT 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. - CORRECT ANSWER = A. an accumulator. Air leaving the exhaust port of a four-way valve is directed to the A. Aftercooler. B. Atmosphere. C. receiver. D. Compressor. - CORRECT ANSWER = B. Atmosphere.
In troubleshooting a pneumatic system, you should first check A. the air supply. B. the solenoid valve. C. for blown fuses. D. For leaking cylinders. - CORRECT ANSWER = A. the air supply. The speed of a piston is determined by the A. amount of metered outlet air. B. size of the piston. C. size of the solenoid valve. D. Limit switch. - CORRECT ANSWER = A. amount of metered outlet air. The safe operating speed of an air motor is controlled by the A. load. B. speed reducer. C. regulator D. Limit switch. - CORRECT ANSWER = A. load. Install an air lubricator in a pneumatic system A. before the separator. B. after the regulator.
D. the fusion is better. - CORRECT ANSWER = A. dissimilar metals can be joined. Metallic electrodes for steel alloys should contain A. alloys approximately the same as those of the base metal. B. alloys in addition to those of the base metal. C. no alloys. Any good mild steel rod is satisfactory. D. one of any of the alloys of the base metal. - CORRECT ANSWER = A. alloys approximately the same as those of the base metal. When arc welding light gauge metal (less than ⅛ Thick) in the vertical position, the welding should be done A. from the top down. B. from the bottom up. C. both ways from the middle. D. alternately from top and bottom. - CORRECT ANSWER = A. from the top down. The first pass in a bevel pipe weld is called the A. root pass. B. included pass. C. lap pass. D. tack pass. - CORRECT ANSWER = A. root pass.
In an oxygen cutting job, the greatest safety hazard is the A. possibility of asphyxiation. B. danger of burning the eyes. C. stream of sparks and molten metal. D. ignition of the welded metal. - CORRECT ANSWER = C. stream of sparks and molten metal. Warpage due to welding can be reduced by A. Increasing the amperage. B. welding the reverse polarity. C. increasing the size of the electrode. D. skip or step welding. - CORRECT ANSWER = D. skip or step welding. To arc weld on the structural steel frame of an overhead crane equipped with anti-friction bearings, clamp the ground led to A. the rail of the crane runway. B. the structural member on which you are welding. C. any nearby steel part of the truck assembly that will carry the ground. D. the collector rails. - CORRECT ANSWER = B. the structural member on which you are welding.
A. 12
B. 16
C. 20
D. 190 - CORRECT ANSWER = A. 12
In what kind of a properly lubricated bearing is there no metal-to-metal contact while the shaft is rotating? A. Needle bearing B. Ball bearing C. Journal bearing D. Roller bearing - CORRECT ANSWER = C. Journal bearing Which of the following can transfer power between two turning shafts located at right angles? A. Spur gears B. Worm gears C. Rack and pinion gears D. Herringbone gears - CORRECT ANSWER = B. Worm gears The best way to keep dirt out of a bearing is to use A. a seal. B. a cap. C. a shield.
D. packing. - CORRECT ANSWER = A. a seal. An overload on a torque limiter will most likely cause A. the motor to kick out. B. a bent shaft. C. increased motor torque. D. slippage. - CORRECT ANSWER = D. slippage. When a shaft mounted on two bearings must be positioned axially, A. one bearing should be fixed and the other floating. B. both bearings must be fixed. C. a thrust bearing must be added to this shaft. D. both bearings should be floating. - CORRECT ANSWER = A. one bearing should be fixed and the other floating. Clutches on machinery provide for disengaging and sometimes allow for A. positive drive. B. misalignment. C. slippage. D. variable speed. - CORRECT ANSWER = A. positive drive. Fluid clutches are used on equipment that is subjected to
D. temperature. - CORRECT ANSWER = D. temperature. Good lubricating oil must A. Be moist and toxic B. Prevents rust and corrosion C. Be clear in color D. Be readily water soluble - CORRECT ANSWER = B. Prevents rust and corrosion What is the most important quality of oil film lubrication? A. Separates moving surfaces - CORRECT ANSWER = A. Separates moving surfaces A gear pump positive displacement pump is also known as a A. Reciprocating pump B. centrifugal pump C. Rotary pump D. Turbine pump - CORRECT ANSWER = C. Rotary pump In a centrifugal pump, "cavitation" can result in A. a slight increase in discharge pressure. B. a general improvement in pump performance. C. a reduction in pump net positive suction head requirements.
D. pitting of the impeller. - CORRECT ANSWER = C. a reduction in pump net positive suction head requirements. The chemical being pumped determines the required A. casing materials. B. impeller speed. C. casing size. D. impeller size. - CORRECT ANSWER = A. casing materials. In dealing with pumping, the term "static head" means the A. energy demanded by piping system to overcome Friction loss. B. kinetic energy in a flowing liquid. C. vertical distance in feet from liquid level in suction tank to point of free discharge. D. gauge reading at pump suction plus velocity head. - CORRECT ANSWER = C. vertical distance in feet from liquid level in suction tank to point of free discharge. Dowl pins are place in the end caps of pump casing to maintain proper A. Gear-end pump clearance B. Meshing of gears C. bearing placement D. Alignment - CORRECT ANSWER = D. Alignment
B. bushing. C. reducer. D. coupling. - CORRECT ANSWER = B. bushing. Which of the pipes listed would have the thickest wall? A. Schedule 20 B. Schedule 40 C. Schedule 80 D. Schedule 120 - CORRECT ANSWER = D. Schedule 120 In piping, the designation "250 lb" refers to a fitting's A. material composition. B. weight per section. C. safe pressure rating. D. support capacity. - CORRECT ANSWER = C. safe pressure rating. Pipe joint compounds are used to A. lubricate threads when joining. B. fuse fittings. C. make gaskets. D. seal flanged joints. - CORRECT ANSWER = A. lubricate threads when joining.
Which of the valves listed can best be used for throttling? A. Plug cock B. Butterfly C. Gate D. Globe - CORRECT ANSWER = D. Globe The frequency of operation of a steam trap is governed by A. an automatic timing device. B. the amount of condensate formed in the line. C. the steam pressure in the line. D. the size of the steam line. - CORRECT ANSWER = C. the steam pressure in the line. It is good practice to put slope in steam line installations because it A. eliminates condensate pockets. B. decreases the resistance to steam flow. C. Prevents strain due to expansion. D. allows for expansion. - CORRECT ANSWER = A. eliminates condensate pockets The point at which a pry bar pivots is called its A. lever.
Hoisting equipment, the term "safety factor" means the A. maximum load the equipment will handle without Breaking. B. ratio between the breaking load and the allowed load. C. maximum load allowed for ordinary use. D. ratio between the allowed load and the actual load. - CORRECT ANSWER = D. ratio between the allowed load and the actual load. When air is compressed, its temperature A. increases. B. decreases. C. and volume decrease. D. and volume increase. - CORRECT ANSWER = A. increases. The major conditions that determine which lubricant should be used are load, temperature, and A. speed of moving parts. B. the type of motion involved. C. how often the machine is used. D. what the machine is used for. - CORRECT ANSWER = A. speed of moving parts. When cutting tubing with a hacksaw, use a blade with
A. Different size teeth. B. Coarse teeth. C. Fine teeth. D. Reversed teeth. - CORRECT ANSWER = A. Fine teeth. If a 20-tooth sprocket turns at a speed of 10 rpm, how Many rpm will a 10 - tooth sprocket turn when driven by the Same chain? A. 100 B. 20 C. 10 D. 5 - CORRECT ANSWER = B. 20 In what way does a resisting force always act in relation to an applied force? A. Perpendicular B. Equal and opposite C. Parallel D. On a slant - CORRECT ANSWER = B. Equal and opposite Piece of information needed to calculate the force that A hydraulic cylinder can exert is the A. diameter of inlet pipe.
