MCQOPTIONS
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MCQOPTIONS
This section includes 409 Mcqs, each offering curated multiple-choice questions to sharpen your Arithmetic Ability knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The increase in hardness due to cold working is called |
| A. | Work hardening |
| B. | Cold hardening |
| C. | Induction hardening |
| D. | Age hardening |
| Answer» B. Cold hardening | |
| 2. |
When carbon monoxide is used to reduce an ore as in a blast furnace, it is converted to __________. |
| A. | carbon dioxide |
| B. | graphite |
| C. | carbonate |
| D. | methane |
| Answer» B. graphite | |
| 3. |
When hydrogen gas is used to reduce an ore (as in a blast furnace), it is converted to __________. |
| A. | helium |
| B. | ammonia |
| C. | water |
| D. | hydrogen peroxide |
| Answer» D. hydrogen peroxide | |
| 4. |
Cast iron is characterized by minimum of following % of carbon |
| A. | 0.008 |
| B. | 0.002 |
| C. | 0.02 |
| D. | 0.013 |
| Answer» D. 0.013 | |
| 5. |
What is the present worth of Rs. 132 due in 2 years at 5% simple interest per annum? |
| A. | Rs. 118.80 |
| B. | Rs. 112 |
| C. | Rs. 122 |
| D. | Rs. 120 |
| Answer» E. | |
| 6. |
Draft on pattern for casting is |
| A. | Identification number marked on it |
| B. | Shrinkage allowance |
| C. | Increase in size of cavity due to shaking of pattern |
| D. | Taper to facilitate its removal from mould |
| Answer» E. | |
| 7. |
Refractory metal |
| A. | W |
| B. | Ag |
| C. | Ni |
| D. | Pt |
| Answer» B. Ag | |
| 8. |
Roasting ZnS in the presence of oxygen produces the metal oxide and . What is the coefficient of ZnS when the equation for this reaction is completed and balanced? |
| A. | 2 |
| B. | 1 |
| C. | 5 |
| D. | 3 |
| Answer» B. 1 | |
| 9. |
The opposition to the formation of a magnetic flux in a magnetic circuit is referred to as: |
| A. | reluctance. |
| B. | reactance. |
| C. | antimagnetics. |
| D. | resistance. |
| Answer» C. antimagnetics. | |
| 10. |
The purpose of jigs and fixtures are to |
| A. | Facilitate interchangeable manufacturing |
| B. | Increased machining accuracy |
| C. | All of the above |
| D. | Enable employ less skilled operators |
| Answer» D. Enable employ less skilled operators | |
| 11. |
Avinash borrowed Rs. 5000 from Sanjay at simple interest. After 3 years, Sanjay got Rs. 300 more than what he had given to Avinash. What was the rate of interest per annum? |
| A. | 0.05 |
| B. | 0.02 |
| C. | 0.1 |
| D. | 0.08 |
| Answer» C. 0.1 | |
| 12. |
As applied to staff readings, the correc¬tions for curvature and refraction are respectivelyThe above table shows a part of a level field book. The value of X should be |
| A. | 100 |
| B. | 98.7 |
| C. | 103.3 |
| D. | 102.3 |
| Answer» B. 98.7 | |
| 13. |
In order to be detectable by magnetic particle testing, a flaw must: |
| A. | be no deeper than 1mm below the surface |
| B. | be surface breaking |
| C. | all of the above |
| D. | produce a leakage field at the test surface |
| Answer» E. | |
| 14. |
If the R.L. of a B.M. is 100.00 m, the back- sight is 1.215 m and the foresight is 1.870 m, the R.L. of the forward station is |
| A. | 100.345 m |
| B. | 99.345 m |
| C. | 101.870m |
| D. | 100.655m |
| Answer» C. 101.870m | |
| 15. |
If the magnetic bearing of the sun at a place at noon in southern hemisphere is 167°, the magnetic declination at that place is |
| A. | 23° S |
| B. | 77° N |
| C. | 13° W |
| D. | 13° E |
| Answer» E. | |
| 16. |
2._________ is a collection of procedures, data structures and variables that are all grouped together in a special king of module or package,with the condition that the procedures cannot be accessed outside it three process . |
| A. | critical section |
| B. | Semaphore |
| C. | critical region |
| D. | monitor |
| Answer» E. | |
| 17. |
Which of the following pure metals is the best conductor of electricity: |
| A. | copper |
| B. | aluminum |
| C. | gold |
| D. | silver |
| Answer» E. | |
| 18. |
An electric current which flows steadily in one direction is: |
| A. | full wave current. |
| B. | direct current |
| C. | alternating current |
| D. | half wave current. |
| Answer» C. alternating current | |
| 19. |
The transition metals in group __________ have the highest melting points. |
| A. | 3B |
| B. | 4B |
| C. | 8B |
| D. | 6B |
| Answer» E. | |
| 20. |
Usual casting method for making dental crowns |
| A. | Die casting |
| B. | Sand casting |
| C. | Investment casting |
| D. | Continuous casting |
| Answer» D. Continuous casting | |
| 21. |
A money lender finds that dues to a fall in the annual rate of interest from 8% to 7x3/4%, his yearly income diminishes by Rs. 61.50. His capital is |
| A. | Rs. 23,800 |
| B. | Rs. 22,400 |
| C. | Rs. 26,000 |
| D. | Rs. 24,600 |
| Answer» E. | |
| 22. |
Tool life of the cutting tool is most affected by |
| A. | Tool geometry |
| B. | Cutting speed |
| C. | Microstructure of material being cut |
| D. | Cutting feed and depth |
| Answer» C. Microstructure of material being cut | |
| 23. |
If a discontinuity is shallow and broad like a scratch, the flux lines may stream-line below thediscontinuity. This will result in: |
| A. | a non-relevant indication |
| B. | a false indication |
| C. | a lack of indication |
| D. | a sub surface indication |
| Answer» D. a sub surface indication | |
| 24. |
A slag is formed when a basic metal oxide reacts with molten __________ at high temperatures. |
| A. | CaO |
| B. | Fe2O3 |
| C. | Sio2 |
| D. | CO |
| Answer» D. CO | |
| 25. |
A data dictionary is a special file that contains: |
| A. | The width of all fields in all files |
| B. | The name of all fields in all files. |
| C. | All of the above. |
| D. | The data type of all fields in all files. |
| Answer» D. The data type of all fields in all files. | |
| 26. |
Which of the following are not commonly used as sources of metals? |
| A. | silicates |
| B. | oxides |
| C. | carbonates |
| D. | sulfides |
| Answer» B. oxides | |
| 27. |
A person takes a loan of Rs. 200 at 5% simple interest. He returns Rs. 100 at the end of 1 year. In order to clear his dues at the end of 2 years, he would pay |
| A. | Rs. 110 |
| B. | Rs. 105 |
| C. | Rs. 115.50 |
| D. | Rs. 115 |
| Answer» D. Rs. 115 | |
| 28. |
If A lends Rs. 3500 to B at 10% p.a. and B lends the same sum to C at 11.5% p.a. then the gain of B (in Rs.) in a period of 3 years is : |
| A. | 115.5 |
| B. | 107.5 |
| C. | 177.5 |
| D. | 157.5 |
| Answer» E. | |
| 29. |
The simple interest at x% for x years will be Rs. x on sum of: |
| A. | 100x |
| B. | x |
| C. | [x/100] |
| D. | [100/x] |
| Answer» E. | |
| 30. |
If a material expands freely due to heating, it will develop |
| A. | Bending |
| B. | Tensile stress |
| C. | No stress |
| D. | Compressive stress |
| Answer» D. Compressive stress | |
| 31. |
In how many years will a sum of money double itself at 10% per annum? |
| A. | 4 years 2 months |
| B. | 2 years 4 months |
| C. | 10 years 8 months |
| D. | 8 years 4 months |
| Answer» E. | |
| 32. |
Consider different activities related to email.m1:Send an email from a mail client to mail serverm2:Download an email from mailbox server to a mail clientm3:Checking email in a web browserWhich is the applicable level protocol user in each activity? |
| A. | m1:SMTP, m2:FTP, m3:HTTP |
| B. | m1:HTTP, m2:SMTP, m3:POP |
| C. | m1:POP, m2:SMTP, m3:IMAP |
| D. | m1:SMTP, m2:POP, m3:HTTP |
| Answer» E. | |
| 33. |
A sum of money lent out at simple interest amounts to Rs. 720 after 2 years and to Rs. 1020 after a further period of 5 years. The sum is |
| A. | Rs. 600 |
| B. | Rs. 500 |
| C. | Rs. 710 |
| D. | Rs. 700 |
| Answer» B. Rs. 500 | |
| 34. |
It takes 6 hours to dry a wet solid from 50% moisture content to the critical moisture content of 15%. How much longer it will take to dry the solid to 10% moisture content, under the same drying conditions? (The equilibrium moisture content of the s |
| A. | 51 min |
| B. | 15 min |
| C. | 94 min |
| D. | 71 min |
| Answer» E. | |
| 35. |
Carbon monoxide is commonly used to produce free metals from their oxides. What is the coefficient of carbon monoxide in the balanced equation for the production of cobalt from ? |
| A. | 2 |
| B. | 1 |
| C. | 5 |
| D. | 3 |
| Answer» E. | |
| 36. |
6.0 karat gold contains __________% gold. |
| A. | 25 |
| B. | 6 |
| C. | 75 |
| D. | 50 |
| Answer» B. 6 | |
| 37. |
Final structure of austempered steel |
| A. | Ferrite graphite |
| B. | Pearlite |
| C. | Martensite |
| D. | Bainite |
| Answer» E. | |
| 38. |
An analysis, which determines the syntactic structure of the source statement, iscalled |
| A. | process analysis |
| B. | Sementic analysis |
| C. | function analysis |
| D. | Syntax analysis |
| Answer» E. | |
| 39. |
What is the default subnet mask for a class B addressing system? |
| A. | 255.255.255.0 |
| B. | 255.255.0.0 |
| C. | 0.0.0.0 |
| D. | 255.0.0.0 |
| Answer» C. 0.0.0.0 | |
| 40. |
How long will it take a sum of money invested at 5% p.a. S.I. to increase its value by 40%? |
| A. | 7 years |
| B. | 6 years |
| C. | 9 years |
| D. | 8 years |
| Answer» E. | |
| 41. |
Stainless steel is so called because of its ________________. |
| A. | High corrosion resistance |
| B. | High strength |
| C. | Brittleness |
| D. | High ductility |
| Answer» B. High strength | |
| 42. |
In an incompletely specified automata |
| A. | from any given state, there can't be any token leading to two different states |
| B. | no edge should be labelled epsilon |
| C. | start state may not be there |
| D. | both ( and ( |
| Answer» D. both ( and ( | |
| 43. |
The point at which the magnetism in a material cannot be increased even though the magnetizing forcecontinues to increase is known as the: |
| A. | saturation point. |
| B. | salient pole. |
| C. | remnant point. |
| D. | residual point. |
| Answer» B. salient pole. | |
| 44. |
Which of the following variable controls the physical properties of a perfect gas? |
| A. | Volume |
| B. | Temperature |
| C. | All of the above |
| D. | Atomic mass |
| Answer» D. Atomic mass | |
| 45. |
A macro definition consists of |
| A. | One or more model statements |
| B. | A macro prototype statement |
| C. | All of the above |
| D. | Macro pre-processor statements |
| Answer» D. Macro pre-processor statements | |
| 46. |
Rahul borrowed Rs. 830 from Mr. Lal 12% p.a. S.I. for 3 years. He then added some more money to the borrowed sum and lent it to Shobha for the same period at 14% p.a. rate of interest. If Rahul gains Rs. 93.90 in the whole transaction, how much money |
| A. | Rs. 55 |
| B. | Rs. 35 |
| C. | Rs. 105 |
| D. | Rs. 80 |
| Answer» D. Rs. 80 | |
| 47. |
Consider the data of previous question. Suppose that the sliding window protocol is used with the sender window size of 2^i where is the number of bits identified in the previous question and acknowledgments are always piggybacked. After sending 2^i |
| A. | 18ms |
| B. | 16ms |
| C. | 22ms |
| D. | 20ms |
| Answer» C. 22ms | |
| 48. |
Simple interest on a certain sum at a certain annual rate of interest is 1/9 of the sum. If the numbers representing rate percent and time in years be equal, then the rate of interest is: |
| A. | 8 |
| B. | 5 |
| C. | 2.66666666666667 |
| D. | 3.33333333333333 |
| Answer» E. | |
| 49. |
A deposit that contains a metal in economically exploitable quantities is called a(n) __________. |
| A. | ore |
| B. | mineral |
| C. | comstock |
| D. | vein |
| Answer» B. mineral | |
| 50. |
Shell molding is best described by which one of the following: |
| A. | casting process in which the mold is a thin shell of sand binded by a thermosetting resin |
| B. | casting operation in which the molten metal has been poured out after a thin shell has been solidified in the mold |
| C. | casting operation used to make artificial sea shells? |
| D. | sand casting operation in which the pattern is a shell rather than a solid form |
| Answer» B. casting operation in which the molten metal has been poured out after a thin shell has been solidified in the mold | |