CET Study Guide 2026
Everything you need to pass the CET exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
📋 CET Exam Format at a Glance
📚 CET Topics to Study (69)
✍️ Sample CET Questions & Answers
1. What power level does 0 dBm represent?
0 dBm is defined as a power of 1 milliwatt; it is the 0 dB reference point on the dBm scale.
2. A test engineer specifies a 6½-digit DMM for a precision measurement. Approximately how many displayable counts does this instrument provide?
A 6½-digit meter displays up to 1,999,999 counts (the ½ digit can only display 0 or 1), providing very fine measurement resolution.
3. Which EIA standard governs the standard preferred number series (E12, E24, E96) for resistor values?
The EIA-96 standard defines the E96 series of preferred resistor values and is also commonly referenced for SMD coding using alphanumeric codes.
4. A technician is asked to repair a device that may contain evidence in a criminal investigation. The technician should FIRST:
Devices involved in legal investigations must be handled according to legal protocols; proceeding without guidance could compromise evidence or expose the technician to liability.
5. What is the primary purpose of a 'nonconformance report' (NCR) in electronics production?
An NCR formally identifies and documents any product, component, or process that fails to meet defined specifications or standards.
6. Corrective Maintenance (CM) is distinguished from Preventive Maintenance (PM) in that CM is:
CM restores a failed item to service and is unplanned, whereas PM is scheduled to prevent failure before it occurs.