VIP Exclusive
GROL VIP Certification Practice Exam
GROL — The General Radiotelephone Operator License (GROL) is issued by the FCC and administered by Commercial Operator License Examination Managers (COLEMs); it requires passing Element 1 (24 questions, marine radio law) and Element 3 (75 questions drawn from a 100-question pool covering electronic fundamentals, transmitters, receivers, and FCC rules), with a 75% passing score on each element.
57
Questions
180m
Time Limit
75.00%
To Pass
Question 1 of 57👑 VIP
A marine radio technician is troubleshooting a ship's transmitter and measures 120 volts across a resistor with 4 amperes of current flowing through it. What is the resistance of this component, and how much power is it dissipating?
Questions 2–57 and full explanations are VIP-exclusive.