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MCQOPTIONS
This section includes 1267 Mcqs, each offering curated multiple-choice questions to sharpen your Embedded Systems knowledge and support exam preparation. Choose a topic below to get started.
| 1101. |
According to ASTM E709-95 the viscosity limit (measured in centi Stokes) of the wetmedium (conditioned water) should not exceed: |
| A. | 1 cSt |
| B. | 3 cSt |
| C. | 6 cSt |
| D. | 4 cSt |
| Answer» D. 4 cSt | |
| 1102. |
What is the longest period of time which should elapse between complete changes ofdeveloper solution? |
| A. | 1 week |
| B. | 2 weeks |
| C. | 1 month |
| D. | 3 months |
| Answer» E. | |
| 1103. |
Which of the following is a reason to post clean a part after a liquid penetrant test: |
| A. | The part might be further processed |
| B. | If repairs are necessary |
| C. | Developers absorb moisture and may result in part being corroded |
| D. | All of the reasons are correct |
| Answer» D. All of the reasons are correct | |
| 1104. |
When inspecting a long bar with a longitudinal wave from one end, a series of additional echoes are seen immediately after the bottom surface reflection. these are most likely: |
| A. | Refracted shear and longitudinal waves caused by beam spread |
| B. | Flaw indications |
| C. | Multiples of the back surface reflection |
| D. | None of the above |
| Answer» E. | |
| 1105. |
According to API, the particle concentration of wet particle solution must be checked: |
| A. | Prior to each shift |
| B. | Only after each shift |
| C. | Only each week |
| D. | Only each two weeks |
| Answer» B. Only after each shift | |
| 1106. |
What maximum water rinse pressure is considered safe for removal of excesspenetrant in the water washable penetrant process? |
| A. | As low a pressure as possible, 50 PSI maximum |
| B. | to 200 PSI |
| C. | PSI maximum |
| D. | to 500 PSI |
| Answer» B. to 200 PSI | |
| 1107. |
Dyes which receive light at one wavelength and re-emit light of another wavelengthare called: |
| A. | L.E.Ds |
| B. | Phosphorescent |
| C. | Luminescent |
| D. | Fluorescent |
| Answer» E. | |
| 1108. |
The lines of flux or force in a circularly magnetized ferromagnetic bar: |
| A. | Are aligned through the piece from the south to the north pole |
| B. | Are aligned through the piece from the north to the south pole |
| C. | Leave the south pole and enter the north pole |
| D. | Are contained within and around the part |
| Answer» E. | |
| 1109. |
Which of the following isotopes are commonly used for radiographic purposes? |
| A. | Iridium-192 |
| B. | Osmium-188 |
| C. | Cobalt-87 |
| D. | Rubidium |
| Answer» B. Osmium-188 | |
| 1110. |
Which type(s) of sound wave modes will propagate through liquids? |
| A. | Longitudinal |
| B. | Shear |
| C. | Surface |
| D. | All of the above |
| Answer» B. Shear | |
| 1111. |
Under most circumstances, which of the following frequencies would result in thebest resolving power? |
| A. | 1 MHz |
| B. | 5 MHz |
| C. | 10 MHz |
| D. | 25 MHz |
| Answer» E. | |
| 1112. |
A magnetic particle testing technique in which the test piece is magnetised andmagnetic particles applied after the magnetising force has been removed is called the: |
| A. | Magnetic method |
| B. | Continuous method |
| C. | Residual method |
| D. | Discontinuous method |
| Answer» D. Discontinuous method | |
| 1113. |
Snell's law is given by which of the following: |
| A. | (Sin A)/(Sin B) = VB/VA |
| B. | (Sin A)/(Sin B) = VA/VB |
| C. | (Sin A)/ VB = V(Sin B)/VA |
| D. | (Sin A)[VA] = (Sin B)[ VB] |
| Answer» C. (Sin A)/ VB = V(Sin B)/VA | |
| 1114. |
Screens should be: |
| A. | Separated from the film by a sheet of clean white paper |
| B. | Separated from the film by at least 3.125 mm |
| C. | In direct contact with the film |
| D. | Separated from the film by its cardboard backing |
| Answer» D. Separated from the film by its cardboard backing | |
| 1115. |
To avoid interfering surface waves, low frequencies should only be used on: |
| A. | Polished surfaces |
| B. | Castings |
| C. | Flat surfaces |
| D. | Non-polished surfaces |
| Answer» C. Flat surfaces | |
| 1116. |
Acceptable methods to apply emulsifier are: |
| A. | Dipping |
| B. | Flowing |
| C. | Spraying |
| D. | All of the above |
| Answer» E. | |
| 1117. |
Magnetic particles testing is most likely to find subsurface discontinuities in: |
| A. | Soft steels with high permeability |
| B. | Soft steels with low permeability |
| C. | Hardened steels with low permeability |
| D. | Hardened steels with high permeability |
| Answer» B. Soft steels with low permeability | |
| 1118. |
The magnetism which remains in a piece of magnetisable material after themagnetising force has been removed is called the: |
| A. | Tramp field |
| B. | Residual field |
| C. | Damped field |
| D. | Permanent field |
| Answer» C. Damped field | |
| 1119. |
Liquid penetrants can be further categorised by the removal method of excess surfacepenetrant: |
| A. | Water washable |
| B. | Solvent removable |
| C. | Post emulsified |
| D. | All of the above |
| Answer» B. Solvent removable | |
| 1120. |
Which of the following produces a circular field? |
| A. | Coil |
| B. | Head shot |
| C. | Yoke |
| D. | All of the above |
| Answer» C. Yoke | |
| 1121. |
In a radiograph of a weld there is an indication appearing at the end of the weldbead. It appears as a dark rounded indication with fine small tails coming from around the rounded indication giving it some what of a star-shaped appearance. This would probably be: |
| A. | A crater crack |
| B. | A slag inclusion |
| C. | Root concavity |
| D. | A star crack |
| Answer» E. | |
| 1122. |
A A disadvantage of lithium sulfate as a transducer material is that: |
| A. | It is an inefficient receiver of ultrasonic energy |
| B. | It is soluble in water |
| C. | It is not piezo- electric |
| D. | It has extremely coarse grain structure |
| Answer» C. It is not piezo- electric | |
| 1123. |
The angle of a refracted shear wave generated as a sound wave passes at an anglethrough an acoustic interface is dependant on: |
| A. | The acoustic impedances of the materials of each side of the interface |
| B. | The frequency of the incident sound wave |
| C. | The wavelength of the incident sound wave |
| D. | The hardness of the materials on each side of the interface |
| Answer» B. The frequency of the incident sound wave | |
| 1124. |
A focused sound beam is produced by a: |
| A. | Convex mirror |
| B. | Concave transducer |
| C. | Convex lens |
| D. | None of the above |
| Answer» C. Convex lens | |
| 1125. |
Which of the following penetrants contains an emulsifying agent? |
| A. | Solvent removable |
| B. | Water washable |
| C. | Post emulsifiable |
| D. | Fluorescent |
| Answer» C. Post emulsifiable | |
| 1126. |
Which test is used to determine the dimensions of any object? |
| A. | Ultrasonic test |
| B. | Torsion test |
| C. | Eddy current test |
| D. | Compression test |
| Answer» D. Compression test | |
| 1127. |
During radiography test, which region absorbs less radiation and transmits more? |
| A. | Low and high density regions absorb and transmit same amount of radiation |
| B. | High density region |
| C. | Low density region |
| D. | Low and high density regions adsorb |
| Answer» D. Low and high density regions adsorb | |
| 1128. |
In universal testing machine, for a circular section specimen, the gauge length is taken to be _____________ |
| A. | 3.65 √A |
| B. | 4.65 √A |
| C. | 5.65 √A |
| D. | 6.65 √A where A is the area of cross section of the specimen |
| Answer» D. 6.65 √A where A is the area of cross section of the specimen | |
| 1129. |
A standard for unit testing. |
| A. | IEEE 1008 |
| B. | IEEE 1005 |
| C. | IEEE 1009 |
| D. | IEEE 1000 |
| Answer» B. IEEE 1005 | |
| 1130. |
Gathering formal or informal technical feedback is called _________ |
| A. | Audit |
| B. | Testing |
| C. | Inspection |
| D. | Unit testing |
| Answer» D. Unit testing | |
| 1131. |
Another name for white-box testing is ___________ |
| A. | Control testing |
| B. | Graybox |
| C. | Glassbox |
| D. | Black box |
| Answer» D. Black box | |
| 1132. |
Which of the following have flip-flops which are connected to form shift registers? |
| A. | scan design |
| B. | test pattern |
| C. | bit pattern |
| D. | CRC |
| Answer» B. test pattern | |
| 1133. |
What is FSM? |
| A. | Fourier state machine |
| B. | finite state machine |
| C. | fast state machine |
| D. | free state machine |
| Answer» C. fast state machine | |
| 1134. |
What does BILBO stand for? |
| A. | built-in logic block observer |
| B. | bounded input bounded output |
| C. | built-in loading block observer |
| D. | built-in local block observer |
| Answer» B. bounded input bounded output | |
| 1135. |
In context of requirement analysis in software engineering, which of the following is not a type of 'non functional requirements'? |
| A. | Product Requirements |
| B. | Organizational Requirements |
| C. | External Requirements |
| D. | Umbrella Requirements |
| Answer» E. | |
| 1136. |
Consider a software program that is artificially seeded with 100 faults. While testing this program, 159 faults are detected, out of which 75 faults are from those artificially seeded faults. Assuming that both real and seeded faults are of same nature and have same distribution, the estimated number of undetected real faults is ______. |
| A. | 28 |
| B. | 175 |
| C. | 56 |
| D. | 84 |
| Answer» B. 175 | |
| 1137. |
Alpha and beta testing are forms of |
| A. | Acceptance testing |
| B. | Integration testing |
| C. | System testing |
| D. | Unit testing |
| Answer» B. Integration testing | |
| 1138. |
Consider the following:A.Condition Coveragep.Black box testingB.Equivalence Class partitioningq.System testingC.Volume Testingr.White box testingD.Beta Testings.Performance testing Matching A, B, C, D in the same order gives: |
| A. | r, p, s, q |
| B. | p, r, q, s |
| C. | s, r, q, p |
| D. | q, r, s, p |
| Answer» B. p, r, q, s | |
| 1139. |
A multimedia project is said to be _________ and user-interactive when users are given navigational control. |
| A. | Hypertext |
| B. | Non-linear |
| C. | Linear |
| D. | Secure |
| Answer» C. Linear | |
| 1140. |
Black Box Software Testing method focuses on the: |
| A. | Boundary condition of the software |
| B. | Control structure of the software |
| C. | Testing of User Interface only |
| D. | Cyclomatic Complexity |
| Answer» D. Cyclomatic Complexity | |
| 1141. |
In context of software testing, which of the following is not a level or type of development testing |
| A. | System testing |
| B. | Unit testing |
| C. | Release testing |
| D. | Component testing |
| Answer» D. Component testing | |
| 1142. |
Match the following:P) Condition coverage i) Black - box testingQ) Equivalence class partitioning ii) System testingR) Volume testing iii) White - box testingS) Alpha testing iv) Performance testing |
| A. | P – ii, Q – iii, R – i, S – iv |
| B. | P – iii, Q – iv, R – ii, S – i |
| C. | P – iii, Q – i, R – iv, S – ii |
| D. | P – iii, Q – i, R – ii, S – iv |
| Answer» D. P – iii, Q – i, R – ii, S – iv | |
| 1143. |
In unit testing of a module, it is found that for a set of test data, at the maximum 90% of the code alone were tested with the probability of success 0.9. |
| A. | greater than 0.9 |
| B. | Equal to 0.9 |
| C. | At most 0.81 |
| D. | At least 0.81 |
| Answer» D. At least 0.81 | |
| 1144. |
Choose invalid statement in context of software testing: |
| A. | System testing is usually done by the development team |
| B. | Alpha testing is a type of user testing |
| C. | Release testing is usually a black-box testing |
| D. | Release testing is performed after acceptance testing |
| Answer» C. Release testing is usually a black-box testing | |
| 1145. |
Debugger is a program that: |
| A. | Allows to examine and modify the contents of registers |
| B. | Allows to set breakpoints, execute a segment of program and display contents of register |
| C. | Does not allow execution of a segment of program |
| D. | All the options |
| Answer» C. Does not allow execution of a segment of program | |
| 1146. |
In Software engineering, _______ testing take place after testing, takes place after _____ testing, Ordered pair to correctly fill in the blanks, is: |
| A. | release, acceptance |
| B. | acceptance, release |
| C. | alpha, acceptance |
| D. | unit, release |
| Answer» B. acceptance, release | |
| 1147. |
Principle of detailing data that does not conform to normal conditions is referred to as |
| A. | highlight listing |
| B. | singular reporting |
| C. | abnormal reporting |
| D. | exception reporting |
| Answer» E. | |
| 1148. |
The black-box concept is based on the assumption(s) that |
| A. | supersystem is stable |
| B. | black boxes are dependent on environments |
| C. | relationship between the inputs and outputs is stable |
| D. | all of these |
| Answer» B. black boxes are dependent on environments | |
| 1149. |
SDLC stands for? |
| A. | Software Deployment Life Cycle |
| B. | Software Design Life Cycle |
| C. | Software Developer Life Cycle |
| D. | Software Development Life Cycle |
| Answer» E. | |
| 1150. |
_____ is the process of evaluating a system or its component(s) with the intent to find whether it satisfies the specified requirements or not. |
| A. | Software Design |
| B. | Software Implementation |
| C. | Software Testing |
| D. | Software Requirement |
| Answer» D. Software Requirement | |