MCQOPTIONS
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MCQOPTIONS
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.
| 1. |
What data structure in a complier is used for managing information about variables and their attributes? |
| A. | Abstract syntax tree |
| B. | Symbol table |
| C. | Semantic stack |
| D. | Parse table |
| Answer» C. Semantic stack | |
| 2. |
Which of the following statements are TRUE?I There exist parsing algorithms for some programming languages hose complex are less than θ(n 3)II A programming language which allows recursion can be implemented with static storage allocationIII No L-attributed definition can be evaluated in the framework of bottom-up parsingIV Code improving transformations can be performed at both source language and intermediate code level |
| A. | I and II |
| B. | I and IV |
| C. | III and IV |
| D. | I, III and IV |
| Answer» C. III and IV | |
| 3. |
An LALR(1) parser for a grammar can have shift-reduce (S-R) conflicts if and only if ___________ |
| A. | The SLR(1) parser for G has S-R conflicts |
| B. | The LR(1) parser for G has S-R conflicts |
| C. | The LR(0) parser for G has S-R conflicts |
| D. | The LALR(1) parser for G has reduce-reduce conflicts |
| Answer» C. The LR(0) parser for G has S-R conflicts | |
| 4. |
Which of the following are true?(i) A programming language option does not permit global variables of any king and has no nesting of procedures/functions, but permits recursion can be implemented with static storage allocation(ii) Multi-level access link (or display) arrangement is needed to arrange activation records-only if the programming language being implemented has nesting of procedures/function(iii) Recursion in programming languages cannot be implemented with dynamic storage allocation(iv) Nesting of procedures/functions and recursion require a dynamic heap allocation scheme and cannot be implemented with a stack-based allocation scheme for activation records(v) Languages which permit a function to return a function as its result cannot be implemented with a stack-based storage allocation scheme for activation records. |
| A. | (ii) and (v) only |
| B. | (i), (iii) and (iv) only |
| C. | (i), (ii) and (v) |
| D. | (ii), (iii) and (v) only |
| Answer» B. (i), (iii) and (iv) only | |
| 5. |
Some code optimizations are carried out on the intermediate code because _______________ |
| A. | They enhance the portability of the complier to other target processors |
| B. | Program analysis is name accurate on intermediate code than on machine code |
| C. | The information from data flow analysis cannot otherwise be used for optimization |
| D. | The information from the front end cannot otherwise be used for optimization |
| Answer» C. The information from data flow analysis cannot otherwise be used for optimization | |
| 6. |
Which of the following describes a handle (as applicable to LR-parsing) appropriately? |
| A. | It is the position in a sentential form where the next shift or reduce operation will occur |
| B. | It is a non-terminal whose production will be used for reduction in the next step |
| C. | It is a production that may be used for reduction in a future step along with a position in the sentential form where the next shift or reduce operation will occur. |
| D. | It is the production p that will be used for reduction in the next step along with a position in the sentential form where the right hand side of the production may be found |
| Answer» E. | |
| 7. |
How many derivation trees are there? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4View Answer |
| Answer» C. 3 | |
| 8. |
Which of the following strings is generated by the grammar? |
| A. | aaaabb |
| B. | aabbbb |
| C. | aabbab |
| D. | abbbbaView Answer |
| Answer» D. abbbbaView Answer | |
| 9. |
In a simplified computer the instructions are: Assume that all operands are initially in memory. The final value of the computation should be in memory. What is the minimum number of MOV instructions in the code generated for this basic block? |
| A. | 2 |
| B. | 3 |
| C. | 5 |
| D. | 6View Answer |
| Answer» C. 5 | |
| 10. |
Consider the following two statements:P: Every regular grammar is LL(1)Q: Every regular set has LR(1) grammarWhich of the following is TRUE? |
| A. | Both P and Q are true |
| B. | P is true and Q is false |
| C. | P is false and Q is true |
| D. | Both P and Q are false |
| Answer» B. P is true and Q is false | |
| 11. |
Which of the following when decreased reduces the bearing clearance? |
| A. | Number of shims |
| B. | Number of valves |
| C. | Displacement of the piston |
| D. | Number of spark plugs |
| Answer» B. Number of valves | |
| 12. |
What is the value of silicon and copper in an extra heavy-duty type sealed power bearing? |
| A. | 11% silicon and 1% copper |
| B. | 1% silicon and 11% copper |
| C. | 5% silicon and 10% copper |
| D. | 10% silicon and 5% copper |
| Answer» B. 1% silicon and 11% copper | |
| 13. |
Why are the holes provided in a main bearing as shown below? |
| A. | To look attractive |
| B. | For lubrication |
| C. | Release the pressure |
| D. | Vibration damping |
| Answer» C. Release the pressure | |
| 14. |
What is the value of antimony present in a Babbit metal? |
| A. | 5.5 |
| B. | 7.5 |
| C. | 6.5 |
| D. | 8.5 |
| Answer» C. 6.5 | |
| 15. |
Which of the following more when compared to others in a medium-duty sealed powder bearings? |
| A. | Conformability |
| B. | Embeddability |
| C. | Corrosion |
| D. | Fatigue strength |
| Answer» E. | |
| 16. |
Which of the following material is usually used in the backing to provide support against the shaft load? |
| A. | Lead |
| B. | Copper |
| C. | Tim |
| D. | Steel |
| Answer» E. | |
| 17. |
Which are the types of material used in Babbit type bearing material? |
| A. | Lead with a small quantity of copper and antimony |
| B. | Steal with a small quantity of zinc and tin |
| C. | Zinc with a small quantity of lead and copper |
| D. | Silver with a small quantity of brass and aluminum |
| Answer» B. Steal with a small quantity of zinc and tin | |
| 18. |
Which one of the following is not an engine bearing requirement? |
| A. | Corrosion resistance |
| B. | Long life |
| C. | Should multiple the variation of the shafts |
| D. | Should have score resistance |
| Answer» D. Should have score resistance | |
| 19. |
Which of the following helps the engine bearing by supporting the operating loads with minimum friction? |
| A. | Good fuel-air ratio for combustion |
| B. | Vibration dampers |
| C. | Clutch |
| D. | Lubricant |
| Answer» E. | |
| 20. |
Which is the bearing material which is being used in the modern engine? |
| A. | Brass |
| B. | Cast iron |
| C. | Aluminum |
| D. | Chromium |
| Answer» D. Chromium | |
| 21. |
Which of the following is provided to cushion the journal and to increase the life of the bearing? |
| A. | Direction control valve |
| B. | Overlay |
| C. | Position control valve |
| D. | Compressor |
| Answer» C. Position control valve | |
| 22. |
How is one of the bearings made to prevent the crankshaft from moving to and fro in the endwise direction? |
| A. | Magnetic bearing |
| B. | Fluid bearing |
| C. | Ball-bearing |
| D. | Thrust bearing |
| Answer» E. | |
| 23. |
What is the thickness in mm of the overlay which is provided on the bearings? |
| A. | 0.01-0.02 |
| B. | 0.03-0.04 |
| C. | 0.05-0.06 |
| D. | 0.07-0.08 |
| Answer» B. 0.03-0.04 | |
| 24. |
Which scale is used in surveying instrument? |
| A. | Comparative scale |
| B. | Circular Vernier scale |
| C. | Vernier scale |
| D. | Scale of chords |
| Answer» C. Vernier scale | |
| 25. |
We need a scale which has to show dm, cm and mm. Which scale do you prefer? |
| A. | Diagonal scale |
| B. | Plain scale |
| C. | Vernier scale |
| D. | Comparative scale |
| Answer» B. Plain scale | |
| 26. |
Why it is more beneficial to represent the scale graphically other than by just numerical? |
| A. | To represent clearly |
| B. | More accurate |
| C. | To measure directly from scale |
| D. | To prevent |
| Answer» E. | |
| 27. |
FPLMTS is recently known by the name _________ |
| A. | GSM |
| B. | ISDN |
| C. | IMTS-2000 |
| D. | DECT |
| Answer» D. DECT | |
| 28. |
In PACS/ WACS, the BSC is called a _________ |
| A. | Radio port control unit |
| B. | HLR |
| C. | VLR |
| D. | MIN |
| Answer» B. HLR | |
| 29. |
__________ is an example of second generation cordless telephone standard which allows each cordless phone to communicate with any number of base stations. |
| A. | PACS |
| B. | CT2 |
| C. | GSM |
| D. | DECT |
| Answer» E. | |
| 30. |
In second generation wireless networks, the handoff process is called __________ |
| A. | MAHO |
| B. | Soft handoff |
| C. | Hard handoff |
| D. | Inter system handoff |
| Answer» B. Soft handoff | |
| 31. |
The visited system creates a __________ record for each roamer and notifies home system to update __________ |
| A. | HLR, VLR |
| B. | VLR, MIN |
| C. | MIN, ESN |
| D. | VLR, HLR |
| Answer» E. | |
| 32. |
MSC distinguishes home users from roaming users based on MIN. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 33. |
IS-41 does not rely on autonomous registration. |
| A. | True |
| B. | False |
| Answer» C. | |
| 34. |
First generation cellular and cordless telephone networks are based on _________ |
| A. | Analog technology |
| B. | Digital technology |
| C. | Active technology |
| D. | Passive technology |
| Answer» B. Digital technology | |
| 35. |
The stresses and strains developed and the forces acting on cracked prestressed concrete sections which are subjected to a moment Mcr is given as? |
| A. | εpe = P/ApEp |
| B. | εpe = P/AeEp |
| C. | εpe = P/AsEp |
| D. | εpe = P/AlEp |
| Answer» D. εpe = P/AlEp | |
| 36. |
The tensile strength of the concrete below the neutral axis is neglected in ___________ |
| A. | Cracked section analysis |
| B. | Uncracked section analysis |
| C. | Beam section analysis |
| D. | Strain analysis |
| Answer» B. Uncracked section analysis | |
| 37. |
The calculation based on the stress in the reinforcement is obtained by ___________ |
| A. | Limit state theory |
| B. | Convential theory |
| C. | Retardation theory |
| D. | Principle theory |
| Answer» C. Retardation theory | |
| 38. |
The width of crack is influenced by ___________ |
| A. | Cover |
| B. | Limit states |
| C. | Steel |
| D. | Factor of safety |
| Answer» B. Limit states | |
| 39. |
The energy capacity is comparatively low in case of ___________ |
| A. | Fully |
| B. | Partial |
| C. | Post |
| D. | Prestressed |
| Answer» B. Partial | |
| 40. |
The fully prestressed members are prone to excessive ___________ |
| A. | Downward deflections |
| B. | Upward deflections |
| C. | Side deflections |
| D. | Transverse deflections |
| Answer» D. Transverse deflections | |
| 41. |
The reinforcement can cater for which requirements? |
| A. | Limited requirement |
| B. | Serviceability requirements |
| C. | Range requirements |
| D. | Termed requirements |
| Answer» C. Range requirements | |
| 42. |
In partially prestressed members, to which extent tensile stresses are permitted? |
| A. | Unlimited |
| B. | Limited |
| C. | Constant |
| D. | Zero |
| Answer» C. Constant | |
| 43. |
In _______ type, drill is held in chuck. |
| A. | straight shank |
| B. | taper shank |
| C. | can’t say anything |
| D. | none of the mentioned |
| Answer» B. taper shank | |
| 44. |
In ______ type, drill is held in spindle directly. |
| A. | straight shank |
| B. | taper shank |
| C. | can’t say anything |
| D. | none of the mentioned |
| Answer» C. can’t say anything | |
| 45. |
According to the shank type, drill can be classified as______ |
| A. | straight shank |
| B. | taper shank |
| C. | both taper shank and straight shank |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 46. |
If l/d ratio is too large, then drill becomes_______ |
| A. | weak |
| B. | strong |
| C. | very sharp |
| D. | none of the mentioned |
| Answer» B. strong | |
| 47. |
EM waves are attenuated as they travel. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 48. |
The gain of antenna (G) is the ratio of power radiated in a particular direction to the power radiated from an isotropic antenna. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 49. |
If the power density at a given distance ‘R’ is one microwatt per square meter and the effective area of antenna is one square meter then the power captured by antenna is one microwatt. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 50. |
Which chart is used for calculations of transmission lines? |
| A. | Andre chart |
| B. | Smith chart |
| C. | Wilson chart |
| D. | Federer chart |
| Answer» C. Wilson chart | |