Product Testing - Electronic Engineering (MCQ) questions & answers

1)   How does it become possible to avoid an electrolytic freezing at low temperature especially due to temperature oriented testing carried out on an enclosure?

a. By connecting two capacitors in parallel
b. By connecting two capacitors in series
c. By connecting two resistors in parallel
d. By connecting two resistors in series
Answer  Explanation 

ANSWER: By connecting two capacitors in parallel

Explanation:
No explanation is available for this question!


2)   Which among the below mentioned illustrations belongs to the category of application specifications of an instrument?

a. Salt spray
b. Bump and vibration level
c. Current and voltage
d. Temperature and humidity
Answer  Explanation 

ANSWER: Current and voltage

Explanation:
No explanation is available for this question!


3)   Which defects affect the quality of products by showing the deviations of values from the standard values as per the product specifications?

a. Major defects
b. Minor defects
c. Critical defects
d. None of the above
Answer  Explanation 

ANSWER: Minor defects

Explanation:
No explanation is available for this question!


4)   Which among the below mentioned types of vibration testing equipments are applicable / utilized for high frequency range of about 20-1000Hz?

a. Hydraulic
b. Electro-dynamic
c. Both a and b
d. None of the above
Answer  Explanation 

ANSWER: Electro-dynamic

Explanation:
No explanation is available for this question!


5)   Which among the following vibrations is/are not associated with sinusoidal testing?

a. Seismic Vibrations
b. Operating Vibrations
c. Duplicate Transportation Vibration
d. All of the above
Answer  Explanation 

ANSWER: All of the above

Explanation:
No explanation is available for this question!


6)   An ISO 2247 standard is specially adopted for the vibration testing at_________

a. Fixed low frequency
b. Sinusoidal variable frequency
c. Temperature cycles combined with sinusoidal or random vibrations
d. Combined random vibration wide band
Answer  Explanation 

ANSWER: Fixed low frequency

Explanation:
No explanation is available for this question!


7)   The method used for screening of products along with the design evaluation in order to catch early-term latent defects is renowned as Environmental Stress Screening (ESS) or __________

a. Burn-in testing
b. Burn-out testing
c. Burn-above testing
d. Burn-below testing
Answer  Explanation 

ANSWER: Burn-in testing

Explanation:
No explanation is available for this question!


8)   Bump is basically the force experienced by a product since it is bounded on a _______

a. Soft surface
b. Hard surface
c. Hot surface
d. Cold surface
Answer  Explanation 

ANSWER: Hard surface

Explanation:
No explanation is available for this question!


9)   Which type of test chamber style in an environmental testing has a provision of access through door so as to reach and handle the contents of chamber?

a. Benchtop
b. Floor-mount
c. Reach-In
d. Laboratory-Scale
Answer  Explanation 

ANSWER: Reach-In

Explanation:
No explanation is available for this question!


10)   Which actions must be undertaken over the souring consequences of finishes in the vibration type of enclosure testing?

a. Provision of proper heat treatment to the components
b. Use of lock washers
c. Use of special relays
d. Use of special greases in assembly
Answer  Explanation 

ANSWER: Use of special greases in assembly

Explanation:
No explanation is available for this question!


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