CBSE Class 12 Troubleshooting And Maintainence Of Electronic Equipment Question Paper 2019

Read and download CBSE Class 12 Troubleshooting And Maintainence Of Electronic Equipment Question Paper 2019 designed as per the latest question paper pattern and Class 12 examination guidelines issued by CBSE, NCERT and KVS. The past year Question Papers for Class 12 Other Subjects have been provided with solutions which will help students to assess their performance and find out topics in Other Subjects grade 12 which they need to improve to get better marks in Standard 12 exams. After solving these last year papers also refer to solved Sample Papers for Class 12 Other Subjects available on our website to build strong understanding of the subject

CBSE Class 12 Troubleshooting And Maintainence Of Electronic Equipment Question Paper 2019. Students can download the last year board exams question papers using the link below. Free download of examination question papers with solutions. Last 10 year question papers should be practised to get better marks in examinations.


1. Occupational hazards mostly occur due to

(a) Automation of process (b) Negligence to safety

(c) Poor quality control (d) Climate changes

2. Occupational health focuses on employee’s physical well-being, mental well-being and

(a) Economic well-being (b) Dependants’ needs

(c) Educational needs (d) Social well-being

3. A microphone that works on generator principle is

(a) Condenser microphone (b) Moving coil microphone

(c) Electret microphone (d) Carbon microphone

4. A music system is not generating low frequency range signals. The problem may be with

(a) Tweeter (b) Squawker

(c) Woofer (d) Tweeter or Squawker

5. A horn is used in loud speaker

(a) To improve the loud speaker impedance

(b) To improve the high frequency response

(c) For better coupling of sound into air

(d) All of the above

6. The Magnetic field in an audio tape recorder head is produced while recording by

(a) Passing direct current through the head

(b) Sinusoidal voltage across the head

(c) Using a permanent magnet

(d) Passing electric equivalent of sound through the head

7. Standard DVD/CD diameter is

(a) 12 cm (b) 8 cm 

(c) 10 cm (d) 14 cm

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