Summary

This document contains a skills assessment test. The questions cover various aspects of heavy equipment, such as hydraulics, engines, and safety. It includes questions about machine components, operation, and maintenance.

Full Transcript

Congratulations on being chosen to move onto the next stage of the interview process!  The next step is for you to complete the following short skills test. Please take your time and answer each question to the best of your ability. Monroe Tractor is proud to offer the highest-quality equipment re...

Congratulations on being chosen to move onto the next stage of the interview process!  The next step is for you to complete the following short skills test. Please take your time and answer each question to the best of your ability. Monroe Tractor is proud to offer the highest-quality equipment repair and tractor repair services to customers throughout the Northeast region. Our experienced technicians are equipped with the knowledge and skills necessary to diagnose and repair a wide range of issues, from routine maintenance to major repairs. Our techs undergo regular factory training and certifications so this skills test provides us with helpful insight into areas that we can provide further training to diversify your skills.  Email\* Name\* **Part One** Please answer the following questions to the best of your ability.    What is CanBus? A component for remotely monitoring machines via GPS  Electrical system on machines connecting multiple controllers Type of vehicle Emissions control system   Which safety alert indicates IMMEDIATE hazards that, if not avoided, will result in death or serious injury?\* Danger Warning  Alert Caution What is the PRIMARY use of a wheel loader?\* Remove/Move material Dig trenches Cut slopes Crown a road   In an electrical schematic, what does this symbol represent?  Captionless Image Battery Resistor Switch Ground    What is the normal percentage of coolant to water in the cooling system?\* 60/40  40/60 50/50 70/30  What machine has a front mounted blade, tracks, and a huge ripper?\* Scraper Forklift Backhoe  Dozer   What creates combustion in a diesel engine? Spark plugs Turbo Throttle Valve actuator Compression and heat   What is the basic use of a roller or compactor?\* To create a v-ditch  To compress and smooth asphalt To move dirt To dig a trench   When lubricating a U-joint, what does it mean if fresh lube can be seen at all bearing seals?\* U-joint has been properly lubed Seals are worn and should be replaced Trunnions are worn and should be replaced Bearings are worn and should be replaced   Fire extinguishers extinguish fires by removing which requirement?\* Oxygen Fuel Heat   What problem causes low fluid in a maintenance-free battery?\* Low voltage   Undercharging A leak Cold temperatures   What creates pressure in a hydraulic system?\* A restriction to flow (relief valve setting) Cylinder Pump A solenoid   In Ohms Law (V=IR), what does the R stand for? Reference  Refraction Resistance Regulation   What attachment works in conjunction with the bucket and performs work similar to a grapple?\* Ripper  Breaker Screen Thumb **Part Two** Please answer the following questions to the best of your ability.   When should the Fuel Water separator be drained?\* Weekly  Daily Monthly Annually   Which is NOT a reason for a poor starter ground?\* Missing engine-to-frame ground strap Missing starter ground strap Loose mounting bolts  Corroded cab mounts   What type of engine does a crawler-type front-end loader usually have?\* Pneumatic Gasoline Diesel Hydrostatic   What does a tachometer indicate?\* Hydraulic pressure Hours of operation  Engine oil pressure Engine speed   What condition could NOT cause engine vibration?\* Loose u-joint Cracked vibration damper  Bent crankshaft Loose power steering pump   On a hydraulic brake system, Technician A says excessive brake pedal travel can be caused by a leaking check valve. Technician B says excessive brake pedal travel can be caused by an improperly adjusted master cylinder push rod. Who is correct?\* Technician A only Technician B only Both Technicians A and B Neither Technician A nor B   What needs to be removed to check a diesel engine\'s compression?\* Spark plugs  Fuel injectors Intake manifold Exhaust manifold   What is the most appropriate method to check for leaks in a hydraulic system?\ Visual inspection and safely feel for wet areas Listen for unusual noises  Measure hydraulic pressure with a guage Check the color of the hydraulic fluid   What is the BEST method of repairing a broken wire?\* Use a crimped butt connector Wrap with electrical tape Solder and seal with shrink tubing Use a wire nut   What equipment commonly uses a scarifier?\* Excavator  Motor grader Roller/compactor Tandem scraper   What is telematics? A technology to remotely monitor machines via gps signals System used to reduce emissions put out by off-road diesel engines A screen for operators to view fault codes on machines  Back-up cameras using Bluetooth   What is the purpose of the lockout/tagout procedure in heavy equipment maintenance?\ To ensure all tools are accounted for To prevent unauthorized equipment use  To isolate energy sources and prevent accidental machine start-up To ensure the equipment is properly lubricated **\ ** **Part Three** Please answer the following questions to the best of your ability.    Which of the following symptoms is indicative of a malfunctioning turbocharger in a heavy equipment diesel engine?\ Increased fuel consumption  Reduced engine noise Decreased exhaust temperature Smooth acceleration   In a modern heavy equipment engine, which type of sensor is primarily responsible for measuring the amount of air entering the engine?\ Oxygen sensor Mass Air Flow (MAF) sensor  Knock sensor Temperature sensor   Which ohmmeter reading indicates an open injector winding?\* 0 ohms OL or OFL 25K ohms  2.5 ohms   In the context of electronic control systems in heavy equipment, what does the term \"CAN bus\" refer to?\ A high-voltage battery system  A computer network for communication between control modules A diagnostic tool for engine performance A calibration unit for hydraulic valves   Which of the following is a common cause of hydraulic system cavitation in heavy equipment?\ Overfilled hydraulic reservoir Excessive filter pressure drop  Low hydraulic fluid temperature High ambient temperature   What is the purpose of a centrifugal governor in a diesel engine?\* To regulate fuel injection timing To control engine speed by adjusting the fuel flow  To manage exhaust gas recirculation To monitor oil pressure   What is the recommended method for recalibrating a load-sensing hydraulic system?\ Use a diagnostic tool to reset calibration settings Adjust the pressure relief valve to maximum pressure   Bleed air from the hydraulic lines Replace the load-sensing valve Correct answer Use a diagnostic tool to reset calibration settings   What is the primary function of a heavy equipment hydraulic accumulator?\ To store hydraulic fluid for emergency use   To filter contaminants from hydraulic fluid To regulate the hydraulic fluid temperature To provide additional power during peak demands   When diagnosing hydraulic system issues, what does a drop in pressure during operation typically indicate?\ Air in the hydraulic lines  Excessive oil temperature A worn-out hydraulic pump Clogged hydraulic filters   When performing a load test on an alternator, which parameter is crucial to monitor to ensure proper operation?\ Battery voltage Alternator belt tension  Charging current Engine oil pressure  

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