Elex Product Design Test Questions - Set 1

1)   Which process of design cycle assists in acquiring and fulfilling the functional requirements of a module through the stages of modeling, dynamics and optimization?

a. Functional Analysis
b. Synthesis
c. Evaluation and decision
d. Documentation
Answer  Explanation 

ANSWER: Synthesis

Explanation:
No explanation is available for this question!


2)   How is the trade-off specified in the commercial aspect especially in the process of evaluation and decision?

a. By systematic approach of decision
b. By process flowchart trade-off
c. By trade study tree
d. All of the above
Answer  Explanation 

ANSWER: All of the above

Explanation:
No explanation is available for this question!


3)   Which type of integration approach allows to add all the components or subsystems in a sequential manner followed by a prescribed set of test?

a. Modular approach
b. Spiral Development Approach
c. Expanding Envelope Approach
d. All of the above
Answer  Explanation 

ANSWER: Modular approach

Explanation:
No explanation is available for this question!


4)   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!


5)   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!


6)   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!


7)   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!


8)   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!


9)   Which among the following forms the basis of ultimate standards and are maintained by national calibration laboratories?

a. Primary standards
b. Secondary standards
c. Industry standards
d. None of the above
Answer  Explanation 

ANSWER: Primary standards

Explanation:
No explanation is available for this question!


10)   An MCL in the secondary standard represents ____________allowable quantity of a contaminant in drinking water supplied to consumer

a. Maximum
b. Minimum
c. Normal
d. None of the above
Answer  Explanation 

ANSWER: Maximum

Explanation:
No explanation is available for this question!


11)   What is the fundamental function/application of standard number or code IP 00 assigned for commercial equipments?

a. Designing of equipments for under water applications
b. Entire sealing of outdoor equipments
c. Assembling of PCB without box
d. Provision of enclosed or sheltered equipments
Answer  Explanation 

ANSWER: Assembling of PCB without box

Explanation:
No explanation is available for this question!


12)   Which stage of life-cycle associated with an electronic instrument plays a vital role in establishing a target figure for reliability in terms of specifications?

a. Design
b. Production
c. Storage & Transport
d. Operation
Answer  Explanation 

ANSWER: Design

Explanation:
No explanation is available for this question!


13)   Which type of failures occur due to some major reason by terminating the functioning level for a long duration of time?

a. Initial failures
b. Early failures
c. Wear out failures
d. Catastrophic failures
Answer  Explanation 

ANSWER: Catastrophic failures

Explanation:
No explanation is available for this question!


14)   Which among the below mentioned parameters is/are associated with the quality of a device?

a. Time & environmental conditions
b. Numerical value
c. Manufacturing of a unit
d. All of the above
Answer  Explanation 

ANSWER: Manufacturing of a unit

Explanation:
No explanation is available for this question!


15)   How is the reliability of a product specified?

a. Always less than 1
b. Always greater than 1
c. Always equal to 1
d. None of the above
Answer  Explanation 

ANSWER: Always less than 1

Explanation:
No explanation is available for this question!


16)   Internal feedback or compensation in an amplifier usually compensates for ______

a. Overshoot
b. Ring
c. Oscillations
d. All of the above
Answer  Explanation 

ANSWER: All of the above

Explanation:
No explanation is available for this question!


17)   Reduction in gain of current feedback amplifiers results in low level of accuracy at _________

a. Low frequencies
b. High frequencies
c. Moderate frequencies
d. Any frequency level
Answer  Explanation 

ANSWER: High frequencies

Explanation:
No explanation is available for this question!


18)   he applications provided by CFAs are limited to bipolar transistor because they do not exhibit the necessity of ______

a. Low input impedance
b. High input impedance
c. Both a and b
d. None of the above
Answer  Explanation 

ANSWER: High input impedance

Explanation:
No explanation is available for this question!


19)   In μA748 op-amp, the use of 3 pF compensation capacitor also increases the slew rate by the factor of ________

a. 10
b. 15
c. 20
d. 30
Answer  Explanation 

ANSWER: 10

Explanation:
No explanation is available for this question!


20)   Which among the following should not be used on clocked elements to perform operational system logistic functions due to high noise susceptibility especially in synchronous design practices?

a. Synchronous Preset & Reset
b. Asynchronous Preset & Reset
c. Both a and b
d. None of the above
Answer  Explanation 

ANSWER: Asynchronous Preset & Reset

Explanation:
No explanation is available for this question!