MCQOPTIONS
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MCQOPTIONS
This section includes 410 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. |
If there are m unknown member forces, r unknown reaction components and j number of joints, then the degree of static indeterminacy of a pin-jointed plane frame is given by |
| A. | m - r 2j |
| B. | m r 2j |
| C. | m r - 3j |
| D. | m r - 2j |
| Answer» E. | |
| 2. |
If the volume of voids is equal to the volume of solids in a soil mass, then the values of porosity and voids ratio respectively are |
| A. | 0.0 and 1.0 |
| B. | 1.0 and 0.0 |
| C. | 1.0 and 0.5 |
| D. | 0.5 and 1.0 |
| Answer» E. | |
| 3. |
Solve this binary problem: 01110010 – 01001000 = |
| A. | 101010 |
| B. | 11010 |
| C. | 111100 |
| D. | 1110010 |
| Answer» B. 11010 | |
| 4. |
Binary subtraction of a decimal 15 from 43 will utilize which two\'s complement? |
| A. | 110000 |
| B. | 101011 |
| C. | 110001 |
| D. | 11100 |
| Answer» D. 11100 | |
| 5. |
An 8-bit register may provide storage for two\'s-complement codes within which decimal range? |
| A. | –128 to 127 |
| B. | 128 to –128 |
| C. | 127 to –127 |
| D. | 128 to –127 |
| Answer» B. 128 to –128 | |
| 6. |
An induction meter can handle current upto |
| A. | 30 A |
| B. | 0.416666666666667 |
| C. | 100 A |
| D. | 60 A |
| Answer» D. 60 A | |
| 7. |
In moment distribution method, the sum of distribution factors of all the members meeting at any joint is always |
| A. | less than 1 |
| B. | zero |
| C. | greater than 1 |
| D. | 1 |
| Answer» D. 1 | |
| 8. |
A father is twice as old as his son. 20 years ago, the age of the father was 12 times the age of the son. Find the present age of the son? |
| A. | 25 years |
| B. | 20 years |
| C. | 26 years |
| D. | 22 years |
| Answer» E. | |
| 9. |
The ratio between the present ages of P and Q is 6 : 7. If Q is 4 years old than P, what will be the ratio of the ages of P and Q after 4 years ? |
| A. | 3 : 5 |
| B. | 3 : 4 |
| C. | 7 : 8 |
| D. | 4 : 3 |
| Answer» D. 4 : 3 | |
| 10. |
What is Fred’s age today, if he will be twice Sam’s age next year? Sam is 10 years old now? |
| A. | 20 |
| B. | 19 |
| C. | 22 |
| D. | 21 |
| Answer» E. | |
| 11. |
Convert each of the signed decimal numbers to an 8-bit signed binary number (two\'s-complement). 7 –3 –12 |
| A. | 1000 0111 0111 1101 0111 0100 |
| B. | 0000 0111 1111 1101 1111 0100 |
| C. | 0000 0111 1000 0011 1000 1100 |
| D. | 0000 0111 0000 0011 0000 1100 |
| Answer» C. 0000 0111 1000 0011 1000 1100 | |
| 12. |
When n resistances each of value r are connected in parallel, then resultant resistance is x. When these n resistances are connected in series, total resistance is |
| A. | rnx |
| B. | nx |
| C. | n2 x. |
| D. | x / n |
| Answer» D. x / n | |
| 13. |
The total discharge from two wells situated near to each other is |
| A. | less than the sum of the discharges from individual wells |
| B. | sum of the discharges from individual wells |
| C. | equal to larger of the two discharges from individual wells |
| D. | greater than the sum of the discharges from individual wells |
| Answer» B. sum of the discharges from individual wells | |
| 14. |
The m-bit parallel adder consists of- |
| A. | m/2 full adders |
| B. | (m 1) full adders |
| C. | m full adders |
| D. | m-1 full adders |
| Answer» D. m-1 full adders | |
| 15. |
Sneh\'s ago is 1/6 th of her father\'s age. Sneh\'s father\'s age will be twice of Vimal\'s age after 10 years. If Vimal\'s eighth birthday was celebrated two years before, then what is Sneh\'s present age ? |
| A. | 25 years |
| B. | 10 years |
| C. | None of these |
| D. | 35 years |
| Answer» D. 35 years | |
| 16. |
A single rolling load of 8 kN rolls along a girder of 15 m span. The absolute maximum bending moment will be |
| A. | 15 kN.m |
| B. | 8 kN.m |
| C. | 60 kN.m |
| D. | 30 kN.m |
| Answer» E. | |
| 17. |
The ratio between the present ages of P and Q is 5 : 7 respectively. If the difference between Q\'s present age and P\'s age afler 6 years is 2, what is the total of P\'s and Q\'s present ages ? |
| A. | 48 years |
| B. | 46 years |
| C. | 56 years |
| D. | 52 years |
| Answer» B. 46 years | |
| 18. |
An electric current of 5 A is same as |
| A. | 5 V / C |
| B. | 5 J / C |
| C. | 5 w / se |
| D. | 5 C / sec |
| Answer» E. | |
| 19. |
A cylindrical specimen of saturated soil failed under an axial vertical stress of 100kN/m2 when it was laterally unconfmed. The failure plane was inclined to the horizontal plane at an angle of 45°.The values of cohesion and angle of internal fri |
| A. | 0.05 N/mm2 and 0° |
| B. | 0.5 N/mm2 and 30° |
| C. | 0.05 N/mm2 and 45° |
| D. | 0.2 N/mm2 and 0° |
| Answer» B. 0.5 N/mm2 and 30° | |
| 20. |
The mass of proton is roughly how many times the mass of an electron? |
| A. | 184,00 |
| B. | 184000 |
| C. | 184 |
| D. | 1840 |
| Answer» E. | |
| 21. |
A father said to his son, \"I was as old as you are at present at the time of your birth.\" If the father\'s age is 38 years now, the son\'s age five years back was |
| A. | 19 years |
| B. | 14 years. |
| C. | 38 years |
| D. | 33 years |
| Answer» C. 38 years | |
| 22. |
A load \'W is moving from left to right support on a simply supported beam of span T. The maximum bending moment at 0.4 1 from the left support is |
| A. | 0.20 Wl |
| B. | 0.16 Wl |
| C. | 0.25 Wl |
| D. | 0.24 Wl |
| Answer» E. | |
| 23. |
A man is 24 years older than his son. In tow years, his age will be twice the age of his son. The present age of the son is: |
| A. | 24 |
| B. | 22 |
| C. | 42 |
| D. | 26 |
| Answer» C. 42 | |
| 24. |
_____ instruments are those which measure the total quantity of electricity delivered in a particular time. |
| A. | Indicating |
| B. | Absolute |
| C. | Integrating |
| D. | Recording |
| Answer» D. Recording | |
| 25. |
Rajeev\'s age after 15 years will be 5 times his age 5 years back. What is the present age of Rajeev ? |
| A. | 10 years |
| B. | 5 years |
| C. | 25 years |
| D. | 20 years |
| Answer» B. 5 years | |
| 26. |
The FT of a rectangular pulse existing between t = − T / 2 to t = T / 2 is a |
| A. | sinc function. |
| B. | sinc squared function. |
| C. | sine function. |
| D. | sine squared function. |
| Answer» B. sinc squared function. | |
| 27. |
Two long parallel conductors carry 100 A. If the conductors are separated by 20 mm, the force per metre of length of each conductor will be |
| A. | 10 N |
| B. | 100 N |
| C. | 0.1 N |
| D. | 1 N |
| Answer» D. 1 N | |
| 28. |
Convert each of the following signed binary numbers (two\'s-complement) to a signed decimal number.00000101 11111100 11111000 |
| A. | 5 –4 –8 |
| B. | –5 4 8 |
| C. | 5 –252 –248 |
| D. | –5 252 248 |
| Answer» B. –5 4 8 | |
| 29. |
Select the correct range of density index,ID |
| A. | ID>0 |
| B. | lD>0 |
| C. | 0 < ID < 1 |
| D. | 0 < lD < 1 |
| Answer» D. 0 < lD < 1 | |
| 30. |
In integrated circuits, npn construction is preferred to pnp construction because |
| A. | to reduce diffusion constant, n-type collector is preferred |
| B. | npn construction is cheaper |
| C. | p-type base is preferred |
| D. | npn construction permits higher packing of elements |
| Answer» B. npn construction is cheaper | |
| 31. |
The retentivity (a property) of material is useful for the construction of |
| A. | transformers |
| B. | permanent magnets |
| C. | electromagnets |
| D. | non-magnetic substances |
| Answer» C. electromagnets | |
| 32. |
Rajan got married 8 years ago. His present age is 6 / 5 times his age at the time of his marriage. Rajan\'s sister was 10 years younger to him at the time of his marriage. The age of Rajan\'s sister is |
| A. | 36 years |
| B. | 32 years |
| C. | 40years |
| D. | 38 years |
| Answer» E. | |
| 33. |
Avalanche breakdown results basically due to |
| A. | strong electric field across the junction |
| B. | impact ionisation |
| C. | rise in temperature |
| D. | emission of electrons |
| Answer» C. rise in temperature | |
| 34. |
If the torque angle of the alternator increases indefinitely the system will show: |
| A. | Transient state stability limit |
| B. | Steady state stability limit |
| C. | None of the above |
| D. | Instability |
| Answer» E. | |
| 35. |
A square cross-sectional magnet has a pole strength of 1 x 10 Wb and cross sectional area of 20 mm x 20 mm. What is the strength at a distance of 100 mm from the unit pole in air ? |
| A. | 633.8 N/Wb |
| B. | 63.38 N/Wb |
| C. | 63380 N/Wb |
| D. | 6338 N/Wb |
| Answer» E. | |
| 36. |
The process of electron emission from the surface of a metal into the surrounding space by heating the material is known as: |
| A. | Secondary emission |
| B. | Thermionic emission |
| C. | Photo-electronic emission |
| D. | Field emission |
| Answer» C. Photo-electronic emission | |
| 37. |
Unit for quantity of electricity is |
| A. | watt |
| B. | ampere-hour |
| C. | coulomb |
| D. | joule |
| Answer» D. joule | |
| 38. |
Three equal resistors connected in series across a source of emf together dissipate 10 watts of power. What would be the power dissipated in the same resistors when they are connected in parallel across the same source of emf? |
| A. | 30 watts |
| B. | 10 watts |
| C. | 270 watts. |
| D. | 90 watts |
| Answer» E. | |
| 39. |
A practical current source is usually represented by: |
| A. | Resistance in parallel with an ideal current source |
| B. | Resistance in series with an ideal current source |
| C. | Resistance and capacitor in parallel with the ideal current source |
| D. | Resistance in both series and parallel with ideal current sourcce |
| Answer» B. Resistance in series with an ideal current source | |
| 40. |
The flownet for an earthen dam with 30 m water depth consists of 25 potential drops and 5 flow channels. The coefficient of permeability of dam material is 0.03 mm/sec. The discharge per metre length of dam is |
| A. | 0.0045 m3/sec |
| B. | 0.00018 nrVsec |
| C. | 0.1125m3/sec |
| D. | 0.18m3/sec |
| Answer» C. 0.1125m3/sec | |
| 41. |
If Dennis is 1/3rd the age of his father Keith now, and was 1/4th the age of his father 5 years ago, how old will his father Keith be 5 years from now? |
| A. | 45 |
| B. | 20 |
| C. | 50 |
| D. | 40 |
| Answer» D. 40 | |
| 42. |
Most common form of A.C. meters met with in every day domestic and industrial installations are |
| A. | commutator motor meters |
| B. | mercury motor meters |
| C. | all of the above |
| D. | induction type single phase energy meters |
| Answer» E. | |
| 43. |
As sine wave has a frequency of 50Hz. Its angular frequency is .........rad/sec. |
| A. | 50/2π |
| B. | 50/π |
| C. | 50π |
| D. | 100π |
| Answer» E. | |
| 44. |
The range of positive numbers when using an eight-bit two\'s-complement system is: |
| A. | 0 to 100 |
| B. | 0 to 64 |
| C. | 0 to 256 |
| D. | 0 to 127 |
| Answer» E. | |
| 45. |
Peter got married 8 years ago. His present age is 6/5 times his age at the time of his marriage. Peter’s sister was 10 years younger to him at the time of his marriage. The age of Peer’s sister is: |
| A. | 36 |
| B. | 32 |
| C. | 39 |
| D. | 38 |
| Answer» E. | |
| 46. |
Semiconductor memory is- |
| A. | A non-volatile memory |
| B. | Somewhat large than the magnetic core memory |
| C. | All of above |
| D. | Somewhat slower than magnetic core memory |
| Answer» B. Somewhat large than the magnetic core memory | |
| 47. |
The output of a logic gate is 1 when all its inputs are at logic 0. the gate is either |
| A. | an OR or an EX-NOR |
| B. | a NAND or an EX-OR |
| C. | a NOR or an EX-NOR |
| D. | an AND or an EX-OR |
| Answer» D. an AND or an EX-OR | |
| 48. |
Error Constants of a system are measure of: |
| A. | Transient state response |
| B. | Relative stability |
| C. | Steady state as well as transient state response |
| D. | Steady state response |
| Answer» E. | |
| 49. |
The transient stability limit of the power system can be increased by introducing: |
| A. | Shunt Inductance |
| B. | Series Inductance |
| C. | Shunt Capacitance |
| D. | Series Capacitance |
| Answer» E. | |
| 50. |
The transfer function has the main application in the study of __ behavior of the system |
| A. | Transient |
| B. | Steady |
| C. | None of the above |
| D. | Both steady and transient |
| Answer» E. | |