CWEA Mechanical Technologist Grade 1 Entry Level Certification Practice Exam

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• Which of the following units is NOT directly associated with electricity?
• Where do you apply pressure on a tight fitting bearing being installed on a shaft?
• A Sodium hypochlorite tank is full at 23,000 gallons. If the current level is at 1,200 gallons, how many gallons need to be added to reach 70% capacity?
• If you find burnt insulation on the lead side of a starter, what does that indicate?
• What does pneumatic mean?
• What scenario is least likely to use direct current (DC)?
• What primary function does a V-belt serve?
• How many pounds of cyanide can be treated during an 8-hour shift?
• Which device is commonly used to measure AC current flow in large diameter conductors?
• Which type of valve is considered unsuitable for high-pressure flow?
• What should be checked regularly to prevent premature wear in pumps?
• What are UNC and UNF threads used to signify?
• What is the definition of Normality in a solution?
• What is the watt equivalent of 1 horsepower?
• Which formula is used to calculate horsepower?
• NPT threads need to be what to ensure a pressure-tight and water-tight seal?
• Which feature is NOT a characteristic of a confined space requiring a permit?
• What is one consequence of inadequate V-belt tension?
• What is a primary function of electrical outlets in residential areas?
• What is the primary function of a lathe machine?
• What is a common measure of thermal heat?
• What does NPT stand for in relation to threaded pipes?
• What should guide the frequency schedule of preventative maintenance?
• Where should you store the chuck key on a drill press when not in use?
• At what temperature does water have a specific gravity of 1.000?
• What rating does a fuse provide in an electrical circuit?
• What is a Weir?
• The specific gravities of gasoline are typically how they relate to water?
• What is the meaning of PPE in a work environment?
• How should a metal surface that is prone to rusting be prepared for painting?
• What are Acme threads known for?
• What measurement is used to assess the effectiveness of lubrication in bearings?
• Which safety equipment is essential when entering a confined space?
• What is the total volume in cubic feet created by a rectangular prism that is 150 ft long and 200 ft wide with a height of 3 inches?
• When pumping a hazardous material, what kind of seal is typically used?
• Who are considered "Authorized Employees"?
• Where should the dial indicator be positioned to check flywheel face turnout?
• What does LOTO refer to in maintenance procedures?
• What is required for a sealed ball bearing in terms of lubrication?
• What does the acronym DAFT stand for?
• Which type of bearing is best suited for loads that are perpendicular to the axis of the shaft?
• What process is primarily utilized for softening water in oxidation-reduction reactions?
• What equation helps determine the rpm of a Gear Driver?
• What mechanism do vacuum pumps use to create a vacuum?
• Which of the following is a key benefit of documenting maintenance tasks?
• What property of an electrical circuit restricts the flow of current?
• How many cubic feet are in one cubic yard?
• What instrument is used to measure shaft runout?
• How many feet of water does 1 psi equal?
• What does BTU stand for?
• What type of saw is primarily used for cutting metal?
• What is the function of fusible plugs in a chlorine cylinder?
• What condition is necessary for storing liquid chlorine at ambient temperature?
• In a trench that is 18" wide with sewage flowing at a depth of 2', if the velocity of the sewage is 1.5 feet per second, what is the flow rate in gallons per minute?
• What is the weight of one cubic foot of water in pounds?
• What is the name of one end of a cast iron pipe, which is called a bell?
• How many gallons are in 1 ft^3?
• What is the primary benefit of using Oxyacetylene gas welding?
• What is a watt commonly defined as?
• True or False: You should check the new grinding wheel for proper speed rating and size before replacement.
• What is the significant advantage of using Acme threads for linear motion?
• Does a sealed ball bearing require lubrication during normal use?
• What is the main function of a breakaway switch?
• What is a crucial characteristic of arc welding?
• What is the area of a manhole that measures 40 inches in diameter, expressed in square feet?
• What is the weight of four round iron plates that are each 5" in diameter and 1/4" thick, given iron weighs 490 lbs/ft³?
• What does the term "galvanized" refer to in materials?
• What is the thickness of a slab of concrete in feet if it is 3 inches thick?
• What is mixed with oil to create grease?
• What defines a broach as a cutting tool?
• What is the meaning of the abbreviation SOP in a mechanical context?
• What type of torch is used for welding and cutting metals with a mixture of oxygen and fuel gas?
• How many gallons of seal are needed for two coats on a retaining wall measuring 400' by 20' if one gallon covers 255 square feet?
• How does a broach differ from a traditional drill?
• What form of energy is primarily involved in the operation of a pump?
• How is atomic weight defined?
• What issue can arise from excessive flywheel face turnout?
• What action should be taken if a potentiometer is used in a circuit?
• A computerized maintenance management system (CMMS) is a type of what?
• How is a mole defined in chemistry?
• What type of saw is specifically used to cut metallic materials?
• Which of the following provides information on chemical hazards?
• What does the acronym SCADA stand for?
• How many BTUs per minute is equivalent to 1 horsepower?
• What happens to electrical wire when too much current is drawn through it?
• What is the volume of carbon media in a tank with a diameter of 50' and depth of 20'?
• Which type of glassware is more accurate for measurement than a beaker?
• What does a milling machine primarily do?
• How much does one gallon of water weigh in pounds?
• Which type of valve provides the best sealing for applications that require minimal leakage?
• A 38 tooth gear at 360 RPM drives a gear at 144 RPM. How many teeth are on the gear that is turning 144 RPM?
• How can you express the area of a manhole in square feet from its diameter in inches?
• What does wet stacking refer to?
• What is an appropriate amount of paint coats to protect a tank from deterioration?
• What additional function does a blower have compared to a fan?
• How many cubic inches are in one cubic foot?
• What is the formula used to calculate the circumference of a circle?
• What is the tool typically used to cut an inside and outside keyway?
• What does NEC stand for?
• What is the value of 1 Thermal Unit in BTUs?
• Which type of valve is commonly used for applications requiring precise flow control?
• What is the safe upper temperature range for a single row ball bearing?
• Which of the following describes positive displacement pumps?
• What is the weight of a standard steel plate that is 4ft x 8ft x 1 inch thick, given that steel weighs 490 lbs/ft³?
• What is the definition of centrifugal force?
• What is a primary use of stationary hydraulic presses?
• Which of the following is true about 1 kilowatt?
• What is the function of a plasma cutter?
• Which of the following items is typically considered PPE?
• What is a common cause of premature wear of a pump sleeve?
• What devices typically use Alternating Current?
• When should a lubricant be replaced in a mechanical system?
• Why is water commonly omitted from the concrete ratio?
• Why are toe boards installed around the base of guard rails in elevated work areas?
• What is the conversion of 100 degrees Celsius to Fahrenheit?
• What type of saw is typically used to cut wood perpendicular to the wood grain?
• What is the primary cause of false brinelling on a bearing?
• Which of the following abbreviations refers to a system for managing maintenance activities?
• How do you calculate amps?
• If 1 square foot of tile costs $1.12, what would be the total cost to retile the entire 1800 sq ft room?
• What does the acronym OMM represent in terms of equipment documentation?
• What is the primary function of a wet well?
• What is one key advantage of using roller bearings over sliding bearings?
• What can be inferred if an electrical device operates at a high current?
• How many Liters are there in 1 gallon?
• What is the main purpose of a confined space safety permit?
• What is a crimping tool used for in electrical work?
• What is the definition of alkalinity?
• What type of circuit does single-phase power primarily consist of?
• What is the power consumed by a 500 OHM resistor with a voltage of 1,732 volts?
• What happens when the handle of a ball valve is turned?
• If 1 psi equals 2.31 feet of water, how many psi would equal 6.93 feet of water?
• What best describes a parallel circuit?
• Why is documentation of preventative maintenance tasks essential?
• What is a megger used for?
• What is the primary difference between a blower and a fan?
• What can be a consequence of runout due to excessive flywheel face turnout?
• What is the correct deflection for a V-belt over a distance between the axles?
• How many BTUs per hour is equivalent to 1 watt?
• How does a centrifugal pump primarily function?
• What does SDS stand for in regards to chemical safety?
• What is the primary benefit of an electrical interlock switch on panel doors?
• What does Holding Time refer to in environmental sampling?
• What is the first step in creating a preventative maintenance plan?
• What type of saw is used to cut wood in the direction of the grain?
• What is 1 MGD in cubic feet per second?
• Which mechanical component is crucial for guiding the shaft and maintaining its position?
• Which term describes a document that provides safety information about chemicals?
• What is the definition of an engine?
• Why might one choose UNC threads over UNF threads?
• How do you calculate watts?
• What is an essential function of a Computerized Maintenance Management System (CMMS)?
• In terms of structure, what is a distinct feature of V-belts?
• A room is 60' by 30' ft and the entire room needs new tile. How many square feet of tile should be ordered?
• What is the proper switch position for storing a VOM?
• What is the primary function of centrifugal pumps?
• True or False: Always test your Voltmeter on a known electrical supply before troubleshooting a circuit.
• What is the conversion factor of 1 foot of head pressure to psi?
• What is the structure of a ball valve designed to control?
• How many gallons are in a rectangular tank that is 150' long, 42' wide, and 18.5' deep?
• Which of the following jobs would require Gas Tungsten-Arc Welding?
• What is the common use of a voltmeter in electrical work?
• Why is proper V-belt tension important?
• What must be done with oxygen levels when preparing to enter a confined space?
• What is the purpose of a potentiometer?
• If a gallon of gasoline weighs 7 lbs, what would be the weight of a 350-gallon tank full of gasoline?
• What is the process of electroplating?
• What is single-phase power?
• How many cubic feet are in two cubic yards?
• What type of protection does a respirator provide?
• What preventative measure can help avoid overheating while working in hot environments?
• What is the main purpose of a gate valve?
• How many foot-pounds is equivalent to 1 BTU?
• To what does 33,000 foot-pounds/minute correspond?
• What is a common use for the milling machine?
• What characterizes Alternating Current (AC)?
• Which unit best describes electric power in a circuit?
• What does MSDS stand for?
• What would a higher voltage indicate in an electrical system?
• What is a common use for Gas Metal-Arc Welding?
• What type of valve is designed to rotate 90 degrees?
• In which scenario is a confined space safety permit most necessary?
• What is the primary purpose of a grinding wheel guard?
• For what primary purpose is a rotary hammer drill typically used?
• What is the purpose of a confined space safety permit?
• Which of the following is NOT an example of Personal Protective Equipment?
• What shape is a V-belt known for that assists in power transmission?
• How many watts is equivalent to 1 kilowatt?
• What does the acronym LOTO stand for?
• What does Molarity measure?
• What common household item is typically made using grease?
• What health problems may occur when working in a very hot area for a prolonged period of time?
• What does GFI stand for and what is its purpose?
• What component is used to prevent internal re-circulation on a centrifugal pump?
• Which saw is primarily used for creating straight cuts across wood grain?
• What type of weir is a Cipolletti weir?
• Which welding process is predominantly used for small pipe maintenance?
• What aspect does not contribute to the optimal meshing of a V-belt?
• What can damage the insulation on supply connections at the motor starter?
• A scale on a blueprint indicates 1" = 2". What does this scale mean?
• What is one of the key reasons for ensuring proper ventilation in confined spaces?
• What is a needle valve primarily used for?
• If a fabricated piece of pipe weighs 35 pounds per linear foot, how much does a 48-foot piece weigh?
• When using a micrometer torque wrench, what indicates that torque has been reached?
• What is the purpose of a gear reducer in mechanical systems?
• What are volts a measure of?
• A 150 watt, 120 volt lamp burns for 8 hours at rated voltage. What is the total energy used in watts/hour?
• What characterizes a composite sample?
• What type of pump is a progressive cavity pump?
• What is a common method of securing fittings on pipes?
• How many gallons are in one cubic foot?
• What should be the focus when completing a work order?
• How much water does an 8' diameter tank that is 20' deep and has 5'4" of water in it hold in volume?
• What term describes the conversion of energy from one form to another in mechanical systems?
• Gas Tungsten-Arc Welding is ideal for which type of tasks?
• Which component is essential for the operation of a breakaway switch?
• How does a positive displacement pump operate?
• A 150 watt bulb at 110 volts burns for 8 hours, what is the total power consumed?
• At what pressure is it recommended to use a blower instead of a fan?
• What is necessary before restarting rotating equipment post-repair?
• What defines a series circuit?
• What type of current is typically stored in a 9-volt battery?
• What is the full form of PVC?
• True or False: Speedy completion of a work order is crucial for a Maintenance Technologist's performance.
• How can you express the equation for volts?
• What is a potential cause of overloading an electrical circuit?
• What safety feature is associated with the installation of toe boards?
• What is the primary purpose of a packing gland in a pump?
• What does the acronym VOM stand for in electrical measurements?
• When referring to a bolt as 3/4" -10, what does the "3/4" represent?
• What is the volume in cubic feet of carbon media that is 6 feet thick in a clarifier with a 50 foot diameter?
• What is 1 MGD in gallons per minute?
• What device is commonly used to measure the flow rate of a liquid in an open channel?
• If a centrifugal pump sounds like it has rocks in it, what does this indicate?
• What are ohms?
• What is the area formula for a circle if expressing in terms of diameter?
• What is absolute pressure defined as?
• What is used on a large diameter wire to measure current?
• If a 38-tooth gear runs at 360 rpm, how many teeth does the driven gear have when it's running at 144 rpm?
• What is the primary function of a globe valve?
• In chemistry, what is defined as a ‘substrate’?
• What is the minimum percentage of O2 for entry into a confined space without a Self Contained Breathing Apparatus?
• If a scale on a blueprint shows 1" = 2", what does this signify?
• What does a Doppler Flow Meter measure?
• What is a common use for hacksaws in workshops?
• Which type of operation is NOT performed by a lathe?
• Before entering a confined space, what must be ensured?
• What type of environments are stationary hydraulic presses primarily used in?
• What does EMT stand for in the electrical world?
• How do you calculate ohms?
• In which direction does a thrust bearing support movement?
• What best describes Arc Welding?
• Which material is best suited for plasma cutting techniques?
• Where should you start troubleshooting when an electric motor fails to operate?
• What is the specific gravity of chlorine?
• Which welding method is typically used for automotive repair?
• What does molecular weight represent?
• How is detention time defined?
• What characteristic is important for ensuring the safety of electrical installations?
• Which gas is monitored before entering a confined space?
• When installing a bearing with a press fit onto a shaft, where should the pressure be applied?
• A substance is considered an acid when the pH is:
• What is the purpose of a breakaway switch?
• What is a common application for Shielded Metal-Arc Welding?
• Which tool is specifically utilized to machine keyways in shafts or bores?
• What is a common application for a butterfly valve?
• When 17.32 volts are applied across a resistance of 50 ohms, how much power is expended in the resistor?
• What does SCADA primarily focus on in industrial settings?
• Which tool is commonly used to install tight-fitting bearings?
• What is the typical design shape of a bourdon tube used in pressure gauges?
• Why is it crucial to secure a remote lift station when leaving?
• What is the conversion of 1 ft³/sec in gal/min?
• What type of device is a solenoid type tester?
• Which type of current do most household appliances use?
• Heavy objects are typically made from which type of metals?
• Which tool is essential for cutting cables in electrical work?
• How long must a ventilator rated for 450 ft³/min run to assure 3 air changes in a confined space of 10' by 24' with an 8' ceiling?
• What is the role of an impeller in a centrifugal pump?
• What does brinnelling refer to in the context of bearings?
• Which valve is specifically designed for laboratory and industrial settings for flow control?
• What does an ohmmeter measure?
• What is the volume of a slab of concrete that is 150 ft long, 200 ft wide, and 3 in thick?
• What is the role of an electrical interlock switch on panel doors?
• When should you check the calibration of a measuring instrument?
• How many foot-pounds per minute is equal to 1 horsepower?
• What may likely occur if too many wires are placed in a conduit?
• What type of coatings are commonly found on the inside of wet wells?
• What do Oxidation-Reduction reactions primarily involve?
• Which type of screw thread is characterized by fine pitch?
• What do amps measure in an electrical context?