Digital technician - Study guides, Class notes & Summaries

Digital Technician Conventional Exam Questions And Answers 2023

Digital Technician 100% SOLUTIONS REVISED 2023//2024 Which was the first version of the Data Over Cable Service Interface Specification (DOCSIS) that enabled multiple downstream and upstream channels to be used to transport data to and from a single modem? - ANSWER Docsis 3.0 Which generation of wireless access technology is operation in the millimeter frequency band around 30 GHz being considered? - ANSWER 5G Which is the only 802.11 series of standards that operate at 900 MHz for r...

Which of the following would be the correct tool to bench test a highpressure common-rail injector? A. Digital multi-meter (DMM) B. Test Light C. Fused Jumper wire D. Voltmeter (Ans- A. Digital multi-meter (DMM) (A DMM set on the Ohms scale can be used to measure the resistance of the coil) A diesel engine fails to reach operating temperature. Which of the following is the most likely cause? A. Stuck open thermostat B. Stuck closed thermostat C. Slipping fan drive belt D. Slipping fa...

Progression: Construction Coordinator I - II Exam Answered Correctly. A chain trencher A return path sweep-and-alignment system is used to adjust which of the following? Anomalies, such as echoes and blind spots, can hide cable faults or cause a technician to misinterpret the signature of a time domain reflectometer (TDR) waveform. What causes an echo on a waveform TDR? As the RF signal travels on the coaxial cable, one portion of the signal may be attenuated more than the others. ...

CMN 140 Exam1, CMN 140 Exam 2, CMN 140 Final 194 Questions with Verified Answers "Hardware" vs "Software" of the brain - CORRECT ANSWER *Hardware:* -Biological organ of communication -Computation is processed in gray matter -> e.g. how info is processed in the brain -Info is transmitted via white matter *Software:* -The brain gives rise to the mind -Some programs are innate (e.g. capacity for language) -Some are learned (e.g. English language) *There is a deep physical conn...

ASE-A8 Engine performance Latest 20023 Already Passed If the compression is 5 psi and the oem spec is 140 psi, what most likely is the cause? A, worn piston ring. B, burnt valve. Both A and B What most likely is the cause if the compression doesn't go up during a wet compression test? A, burnt valve. B, worn piston ring. A What most likely is the cause if the compression goes up during a wet compression test? A, burnt valve. B, worn piston ring. B 2. Blue smoke is coming from the exhaust...

NCTI ROC II BOOK II FINAL Test 1 question with correct answers rated A+ 2023 When pressure testing a drop system to check for leakage, What must be done before applying the test signal? - correct answer The technician must isolate the drop system from the hybrid fiber/coax (HFC) network by disconnecting the drop at the distribution tap. Why do some leakage detection systems utilize a leakage carrier modulated with a tagging signal? - correct answer To avoid false detection of leaks. When ...

Why do digital modulation channels have measurable analog parameters? It is based on modulating an analog RF carrier with digital data. Which was the first version of the Data Over Cable Service Interface Specification (DOCSIS) that enabled multiple downstream and upstream channels to be used to transport data to and from a single modem? DOCSIS 3.0 Which generation of wireless access technology is operation in the millimeter frequency band around 30 GHz being considered? 5G for the fifth g...

ASE A6 Test Prep (Electrical & Electronic Systems) Exam Questions And Answers Technician A only A technician connects one lead of a DMM (digital multimeter) to the positive (+) terminal of a battery and the other meter lead to the "B" terminal of the starter solenoid and then cranks the engine. During cranking, the voltmeter displays a reading of 878 mV. Technician A says this reading indicates the positive battery cable has very high resistance. Technician B says this reading indic...

Pneumatics Final Exam Questions and Answers Rated A+ Which method of troubleshooting involves inspecting the cylinder first, followed by the filter, then the directional control valve, then the lubricator, and finally the motor? - A. Symptom and Cause Analysis - B. Reverse Inspection - C. Shotgun method - D. Sequential Testing Shotgun method What is the initial action a technician should take when starting to troubleshoot a machine? - A. Disable power sources - B. Record ...