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This section includes 2460 Mcqs, each offering curated multiple-choice questions to sharpen your Advanced Machining knowledge and support exam preparation. Choose a topic below to get started.
| 1101. |
In ________ no two aborts occur unless two concurrent transactions update the same data item. |
| A. | Multiversion scheme |
| B. | Timestamp protocol |
| C. | Lock based protocol |
| D. | Snapshot isolation |
| Answer» E. | |
| 1102. |
State true or false: Snapshot isolation has low overhead |
| A. | True |
| B. | False |
| Answer» B. False | |
| 1103. |
In _______ schemes, each write operation creates a new version of Q |
| A. | Multiversion |
| B. | Snapshot isolation |
| C. | Lock based |
| D. | Timestamp |
| Answer» B. Snapshot isolation | |
| 1104. |
If the target organism contains more than one copy of the gene, what is the effect on these copies? |
| A. | Only copy is disrupted |
| B. | All the copies are disrupted |
| C. | It is difficult to ensure that all the copies are disrupted |
| D. | Only a specified number of copies are disrupted |
| Answer» D. Only a specified number of copies are disrupted | |
| 1105. |
If ______ gene is there, the double crossover may leave ________ in the chromosome. |
| A. | linear, functional copy |
| B. | circular, functional copy |
| C. | linear, a non-functional copy |
| D. | circular, a non-functional copy |
| Answer» C. linear, a non-functional copy | |
| 1106. |
Stable acquisition of the marker can take place only if a double crossover over the flanking sequence and their chromosomal counterparts causes the marker’s integration into the chromosome. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 1107. |
The inactivation of endogenous genes may also be helpful in directing the expression of the mutated gene in the absence of background expression of wild type gene. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 1108. |
The minor change in amino acid sequence can lead to _______ effect on three dimensional structure and there _____ in the primary sequence. |
| A. | huge, may be no change |
| B. | no, may be huge change |
| C. | very less, is very less change |
| D. | huge, would be huge change |
| Answer» B. no, may be huge change | |
| 1109. |
A viscous fluid is used for anti-icing the aircraft. |
| A. | False |
| B. | True |
| Answer» C. | |
| 1110. |
Which of the following is not caused due to ice on aircraft? |
| A. | Critical control surfaces become rough and uneven |
| B. | Disruption of smooth air flow |
| C. | Increased drag |
| D. | De pressurization |
| Answer» E. | |
| 1111. |
What is the full form of LOUT? |
| A. | Lower operational use tank |
| B. | Limited operational use temperature |
| C. | Lower operational use temperature |
| D. | Limited operational use tank |
| Answer» D. Limited operational use tank | |
| 1112. |
All anti-ice fluids offer _________ protection. |
| A. | Limited |
| B. | Complete |
| C. | Permanent |
| D. | Artificial |
| Answer» B. Complete | |
| 1113. |
A de-icing fluid fails when it can no longer absorb the __________ |
| A. | Metal |
| B. | Contaminant |
| C. | Air particles |
| D. | Rust particles |
| Answer» C. Air particles | |
| 1114. |
Which of the following is a low cost pavement de-icing mixture? |
| A. | Carbon Mixture |
| B. | Aluminum mixture |
| C. | Urea mixture |
| D. | Quartz Mixture |
| Answer» D. Quartz Mixture | |
| 1115. |
Which of the following compounds are not used at airports? |
| A. | Ethylene based |
| B. | Chloride based |
| C. | Propylene based |
| D. | Copper based |
| Answer» C. Propylene based | |
| 1116. |
Which of the following is a suitable place to perform infrared heating de-icing? |
| A. | Apron |
| B. | Aircraft bay |
| C. | Hangar |
| D. | MRO facility |
| Answer» D. MRO facility | |
| 1117. |
Propylene glycol is less toxic than ethylene glycol. |
| A. | False |
| B. | True |
| Answer» C. | |
| 1118. |
Mortising does locking at given angles. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 1119. |
What should the radius of fillet be to allow fillet sharp angles? |
| A. | More than 15mm |
| B. | Less than 10mm |
| C. | Between 10mm and 15mm |
| D. | More than 20mm |
| Answer» C. Between 10mm and 15mm | |
| 1120. |
The following wooden workpiece is which type of pattern set? |
| A. | Cylindrical |
| B. | Trough shaped |
| C. | Drum-type |
| D. | Rectangular |
| Answer» E. | |
| 1121. |
What shape does fillet pieces have? |
| A. | Convex |
| B. | Concave |
| C. | Convex and concave |
| D. | Plane |
| Answer» C. Convex and concave | |
| 1122. |
Design of pattern elements and method of jointing depend on? |
| A. | Strength |
| B. | Hardness |
| C. | Ductility |
| D. | Brittleness |
| Answer» B. Hardness | |
| 1123. |
Rectangular wooden workpiece of a pattern set is not used for making? |
| A. | Shields |
| B. | Boards |
| C. | Boxes |
| D. | Drum type elements |
| Answer» E. | |
| 1124. |
Wooden workpieces of a pattern set come in which of the following type? |
| A. | Triangular |
| B. | Circular |
| C. | Hexagonal |
| D. | Pentagonal |
| Answer» C. Hexagonal | |
| 1125. |
Which method is used for locking planks and bars? |
| A. | Mortising |
| B. | Building-up |
| C. | Soldering |
| D. | Brazing |
| Answer» B. Building-up | |
| 1126. |
Building-up process is used for making what? |
| A. | Shields and boards |
| B. | Dowels |
| C. | Round pins |
| D. | Belts |
| Answer» B. Dowels | |
| 1127. |
To join pieces of timber in width and thickness is called? |
| A. | Pattern filling |
| B. | Mortising |
| C. | Building-up |
| D. | Brazing |
| Answer» D. Brazing | |
| 1128. |
Which of the following are the several architectural issues for system’s testability? |
| A. | Its level of architectural documentation |
| B. | Its separation of concerns |
| C. | The degree to which the system uses information hiding |
| D. | All of the mentioned |
| Answer» E. | |
| 1129. |
What is true for a system to be proper testable? |
| A. | It must be possible to control each components internal state and then observe its output |
| B. | It must be possible to control each components output and then observe its internal state |
| C. | it may or may not be possible to control each components internal state and then observe its output |
| D. | None of the mentioned |
| Answer» B. It must be possible to control each components output and then observe its internal state | |
| 1130. |
What is reuability? |
| A. | Designing such that system’s structure or some of its components can be reused again in future applications |
| B. | Reusability is related to software architecture in that architectural components are the units of reuse |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 1131. |
Which of the following factors are not discernable by run-time? |
| A. | Modifiability |
| B. | Portability |
| C. | Reusability |
| D. | All of the mentioned |
| Answer» E. | |
| 1132. |
In water bound macadam roads, binding material is Brick dust. |
| A. | True |
| B. | False |
| Answer» C. | |
| 1133. |
An impermeable layer is provided at the bed and sides of canal to improve the life and discharge capacity of canal known as ______________ |
| A. | canal modification |
| B. | canal concreting |
| C. | canal lining |
| D. | canal regulation |
| Answer» D. canal regulation | |
| 1134. |
The kind of canal section involved in irrigation work is __________ |
| A. | canal high in embankment in partly in excavation |
| B. | canal partly in excavation and partly in embankment |
| C. | canal less in embankment |
| D. | canal half in excavation |
| Answer» C. canal less in embankment | |
| 1135. |
Which of the following expression is correct regarding deoxygenation constant where symbols have their usual meaning? |
| A. | KDT = KD20 + (1.047)T-20 |
| B. | KDT = KD20 / (1.047)T-20 |
| C. | KDT = KD20 (1.047)T-20 |
| D. | KDT = KD20 (1.04T) |
| Answer» D. KDT = KD20 (1.04T) | |
| 1136. |
5 days BOD at 20oC is ___ of total demand. |
| A. | 20% |
| B. | 47% |
| C. | 68% |
| D. | 100% |
| Answer» D. 100% | |
| 1137. |
The oxidizing agent used in COD test is ___________ |
| A. | Potassium chloride |
| B. | Potassium per-manganate |
| C. | Potassium chromate |
| D. | Potassium dichromate |
| Answer» E. | |
| 1138. |
COD is abbreviated as ___________ |
| A. | Chemical oxygen demand |
| B. | Complex oxygen demand |
| C. | Customary oxygen demand |
| D. | Chemical oxygen deficit |
| Answer» B. Complex oxygen demand | |
| 1139. |
The expression of relative stability at 37oC is given by ___________ |
| A. | S = (1-(0.794)T37) |
| B. | S = 100 (1-(0.794)T37) |
| C. | S = 1-(0.794)T20 |
| D. | S = 100 (1-(0.630)T37) |
| Answer» E. | |
| 1140. |
The expression of relative stability at 20oC is given by ___________ |
| A. | S = (1-(0.794)T20) |
| B. | S = 100 (1-(0.794)T20) |
| C. | S = 1-(0.794)T20 |
| D. | S = 100 (0.794)T20 |
| Answer» C. S = 1-(0.794)T20 | |
| 1141. |
The average standard BOD of domestic sewage is measured in ____________ |
| A. | ppm |
| B. | Kg/day |
| C. | Kg per person per day |
| D. | Number of persons per day |
| Answer» D. Number of persons per day | |
| 1142. |
A backfill of a retaining wall consists of γ=19 kN/m3 which is 6 m high. Find the lateral earth pressure per meter length. Given coefficient of earth pressure at rest is 0.5. |
| A. | 43 kN/m2 |
| B. | 57 kN/m2 |
| C. | 48 kN/m2 |
| D. | 76 kN/m2 |
| Answer» C. 48 kN/m2 | |
| 1143. |
For μ=0.3, find K0. |
| A. | 0.429 |
| B. | 0.289 |
| C. | 0.536 |
| D. | 0.375 |
| Answer» B. 0.289 | |
| 1144. |
If K0=0.4, then find the value of µ. |
| A. | 0.438 |
| B. | 0.286 |
| C. | 0.472 |
| D. | 0.592 |
| Answer» C. 0.472 | |
| 1145. |
A backfill of a retaining wall consists of γ=19 kN/m3 which is 6 m high. Find the total earth pressure per meter length. Given coefficient of earth pressure at rest is 0.5. |
| A. | 165 kN/m |
| B. | 178 kN/m |
| C. | 171 kN/m |
| D. | 345 kN/m |
| Answer» D. 345 kN/m | |
| 1146. |
For cohesion-less soil, the angle of internal friction is 45°, find the K0. |
| A. | 0.429 |
| B. | 0.784 |
| C. | 0.293 |
| D. | 0.334 |
| Answer» D. 0.334 | |
| 1147. |
The coefficient of earth pressure at rest is represented as _________ expression given by Jaky. |
| A. | K0=1-sinφ |
| B. | K0=sinφ |
| C. | K0=1-cosφ |
| D. | K0=cosφ |
| Answer» B. K0=sinφ | |
| 1148. |
The total earth pressure P0 at rest per unit length for vertical height H is _______ |
| A. | \(P_0=\frac{1}{2}K_0γH^2\) |
| B. | P0=γH2 |
| C. | P0=K0 γH2 |
| D. | \(P_0=\frac{1}{2}K_0H^2\) |
| Answer» B. P0=γH2 | |
| 1149. |
The pressure distribution diagram for earth pressure at rest is _______ |
| A. | circular |
| B. | triangular |
| C. | rectangular |
| D. | square |
| Answer» C. rectangular | |
| 1150. |
If γ is the unit weight of soil, then the lateral earth pressure at depth z of soil mass is ______ |
| A. | \(σ_h=\frac{3}{2} K_0 z\) |
| B. | σh=γz |
| C. | σh=-K0 γz |
| D. | σh=K0 γz |
| Answer» E. | |