|
1) 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
|
||||
|
2) 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
|
||||
|
3) 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
|
||||
|
4) 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
|
||||
|
5) In mechanical shock type of an enclosure testing, the usability of materials with high tensile strength is necessary for overcoming the effect of __________ a. Deformation b. Fatigue c. Ripping of components d. Insulation degradation
|
||||
|
6) NEMA-4X standard excogitates its applications in _______ a. Indoor & Outdoor areas b. Hazardous area c. At site d. At site but non-hazardous area
|
||||
|
7) Which IEC standard plays an important role in measuring an ability of an equipment in order to tolerate the transients associated with switching and lightning? a. ESD b. Radiated EMI c. Fast Transients d. Transients-surges
|
||||
|
8) How does the burden of legal liabilities get reduced in the process of documentation? a. By failure modes b. By operational limits c. By warning of hazardous operations d. All of the above
|
||||
|
9) Which type of maintenance is associated or concerned with an elimination of failures during the operational level of an equipment? a. Preventive b. Predictive c. Breakdown d. Capital
|
||||
|
10) On which factors does the down-time of an equipment at the maintainability phase, depend? a. Design b. Installation c. Both a and b d. None of the above
|
||||
|
11) What would happen, if an equipment possesses reliability and maintainability to the maximum extent in accordance to MTTR? a. Failure rate is higher & downtime is longer b. Failure rate is lower & downtime is longer c. Failure rate is higher & downtime is shorter d. Failure rate is lower & downtime is shorter
|
||||
|
12) What would be the composite failure rate of a system comprising one VLSI microprocessor with 6 SSI ICs and 10 resistors corresponding to the data given below?
Assume a single board system PCB 2000 FIT SSIC 70 FIT R 20 FIT VLSI microprocessor 600 FIT a. 1250 FIT b. 2400 FIT c. 3220 FIT d. 4520 FIT
|
||||
|
13) Which type of availability deals with the probability of system operation and functioning at the requisite level in an ideal environment without any consideration of maintenance? a. Inherent availability b. Achieved availability c. Operational availability d. None of the above
|
||||
|
14) Which op-amp device serves to be an ideal application for differential as well as instrumentation amplifier? a. μA748 b. LM318 c. AD OP-27 d. None of the above
|
||||
|
15) Which methods are adopted to improve CMRR in three op-amp instrumentational amplifier? a. By introducing guards, terminals & references b. By Bootstrapped Power Supply c. Both a and b d. None of the above
|
||||
|
16) Which factor/s affect/s the signal integrity of an instrument? a. Bends b. Crosstalk c. Stub length d. All of the above
|
||||
|
17) Which among the following oscilloscopes exhibits a serial processing architecture? a. DPO b. DSO c. MSO d. All of the above
|
||||
|
18) Which among the following elements of EMC model contribute/s in generating the interference in signal integrity? a. Energy source b. Receptor c. Coupling path between source & receptor d. All of the above
|
||||
|
19) Which pin assists in transferring the contents of counter into latches under external control in ICM 7217A LED display? a. EQUAL b. UP/ DOWN c. RESET d. STORE
|
||||
|
20) What does CARRY/BORROW generated output indicates in 7217A LED display? a. Count is zero b. Count is equal to the value contained in the register c. Consent to perform direct cascading of counters d. All of the above
|
||||
