MCQOPTIONS
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MCQOPTIONS
This section includes 132 Mcqs, each offering curated multiple-choice questions to sharpen your Automata Theory knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Let G be a grammar: S->AB|e, A->a, B->bIs the given grammar in CNF? |
| A. | Yes |
| B. | No |
| Answer» B. No | |
| 2. |
Let G be a grammar. When the production in G satisfy certain restrictions, then G is said to be in ___________. |
| A. | restricted form |
| B. | parsed form |
| C. | normal form |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| 3. |
With reference to the process of conversion of a context free grammar to CNF, the number of variables to be introduced for the terminals are:S->ABaA->aabB->Ac |
| A. | 3 |
| B. | 4 |
| C. | 2 |
| D. | 5 |
| Answer» B. 4 | |
| 4. |
Given grammar G:(1)S->AS(2)S->AAS(3)A->SA(4)A->aaWhich of the following productions denies the format of Chomsky Normal Form? |
| A. | 2,4 |
| B. | 1,3 |
| C. | 1, 2, 3, 4 |
| D. | 2, 3, 4 |
| Answer» B. 1,3 | |
| 5. |
At the fairground, the force that balances out our weight is |
| A. | centrifugal force |
| B. | centripetal force |
| C. | gravitational force |
| D. | friction |
| Answer» E. | |
| 6. |
The first linear equation of motion is represented as |
| A. | Vi = Vf + at |
| B. | Vf = Vi-at |
| C. | Vf = Vi + at |
| D. | Vf = Vi + a |
| Answer» D. Vf = Vi + a | |
| 7. |
The formula of angular momentum of the moving body is |
| A. | L = rxp |
| B. | L = r.p |
| C. | L = r*p |
| D. | L = r + p |
| Answer» B. L = r.p | |
| 8. |
According to Newton's 2nd law the object's acceleration and centripetal force are |
| A. | anti parallel to each other |
| B. | at right angles to each other |
| C. | in same direction |
| D. | make acute angle with each other |
| Answer» D. make acute angle with each other | |
| 9. |
In rotating space to keep the body moving in a circular path centripetal force is provided by the |
| A. | surface of rotating space |
| B. | bottom of rotating space |
| C. | length of rotating space |
| D. | width of rotating space |
| Answer» B. bottom of rotating space | |
| 10. |
The field which does not have magnetic poles is |
| A. | normal to the wire |
| B. | straight lined |
| C. | circular |
| D. | tangent to the wire |
| Answer» D. tangent to the wire | |
| 11. |
When did Christiaan Barnard perform the first human heart transplant? |
| A. | 5/10/1978 12:00:00 AM |
| B. | 1/26/1969 12:00:00 AM |
| C. | 12/3/1967 12:00:00 AM |
| D. | 8/9/1965 12:00:00 AM |
| Answer» D. 8/9/1965 12:00:00 AM | |
| 12. |
When the axis of rotation is fixed then angular velocity is considered as |
| A. | scalar quantity |
| B. | vector quantity |
| C. | physical quantity |
| D. | both a and b |
| Answer» B. vector quantity | |
| 13. |
Three resistances 20Ω, 30Ω and 60Ω are connected in parallel, their combined resistance is given by |
| A. | 50 Ω |
| B. | 110 Ω |
| C. | 10 Ω |
| D. | 20 Ω |
| Answer» D. 20 Ω | |
| 14. |
In a spaceship the objects revolving around the earth appears to be |
| A. | small |
| B. | large |
| C. | weightless |
| D. | massive |
| Answer» D. massive | |
| 15. |
The rotational kinetic energy of the hoop is |
| A. | 1/4(mv2) |
| B. | 1/2(mv2) |
| C. | 1/8(mv2) |
| D. | 1/6(mv2) |
| Answer» C. 1/8(mv2) | |
| 16. |
As the ball falls towards the ground, it's velocity |
| A. | decreases |
| B. | increases |
| C. | becomes zero |
| D. | remains constant |
| Answer» C. becomes zero | |
| 17. |
How many days did Louis Washkansky live after his heart was replaced? |
| A. | 24 |
| B. | 18 |
| C. | 31 |
| D. | 15 |
| Answer» C. 31 | |
| 18. |
Acoustic impedance is defined as |
| A. | ρc |
| B. | ρ⁄c |
| C. | ρ+c |
| D. | c⁄ρ |
| Answer» B. ρ⁄c | |
| 19. |
The cylinder has moment of inertia given by the formula of |
| A. | (ml2) |
| B. | mr |
| C. | 1/2(mr) |
| D. | 5(mr2) |
| Answer» D. 5(mr2) | |
| 20. |
Artificial satellites are the objects that orbit around the earth due to |
| A. | earths mass |
| B. | gravity |
| C. | force |
| D. | earths weight |
| Answer» C. force | |
| 21. |
The whole world can be covered with |
| A. | 2 geo-stationary satellites |
| B. | 3 geo-stationary satellites |
| C. | 4 geo-stationary satellites |
| D. | 5 geo-stationary satellites |
| Answer» C. 4 geo-stationary satellites | |
| 22. |
The force applied on a body and it's acceleration are |
| A. | directly related |
| B. | inversely related |
| C. | inversely proportional |
| D. | not related at all |
| Answer» B. inversely related | |
| 23. |
One satellite covers the longitude of the earth upto |
| A. | 110° |
| B. | 120° |
| C. | 150° |
| D. | 180° |
| Answer» C. 150° | |
| 24. |
If the body accelerating from rest to angular velocity of 45 rev/min in a time of 1.6s then its angular acceleration will be |
| A. | 6.6 x 10-9 rad |
| B. | 6 x 10-9 rad |
| C. | 7.6 x 10-9 rad |
| D. | 8 x 10-9 rad |
| Answer» B. 6 x 10-9 rad | |
| 25. |
The gravity created by some source is called |
| A. | large gravity |
| B. | artificial gravity |
| C. | gravitational force |
| D. | greater gravity |
| Answer» C. gravitational force | |
| 26. |
The energy of a system executing s.h.m is |
| A. | decreasing |
| B. | increasing |
| C. | variable |
| D. | constant |
| Answer» E. | |
| 27. |
When was Christiaan Barnard born? |
| A. | 6/4/1924 12:00:00 AM |
| B. | 3/22/1914 12:00:00 AM |
| C. | 11/8/1922 12:00:00 AM |
| D. | 7/17/1918 12:00:00 AM |
| Answer» D. 7/17/1918 12:00:00 AM | |
| 28. |
A disc rolls down from hill at height of 20m if disc starts from rest on top of hill its speed at bottom will be |
| A. | 6.1 m/s |
| B. | 16 m/s |
| C. | 17 m/s |
| D. | 16.1 m/s |
| Answer» E. | |
| 29. |
Two cylinders of equal masses, one will have a greater rotational inertia if it has |
| A. | smaller diameter |
| B. | larger diameter |
| C. | smaller length |
| D. | greater length |
| Answer» C. smaller length | |
| 30. |
When did Christopher Fry die? |
| A. | 6/30/2005 12:00:00 AM |
| B. | 3/21/2006 12:00:00 AM |
| C. | 11/5/1995 12:00:00 AM |
| D. | 8/4/1998 12:00:00 AM |
| Answer» B. 3/21/2006 12:00:00 AM | |
| 31. |
If the particle moves in such a way that its angular position changes relative to the reference axis it is said to have |
| A. | angular displacement |
| B. | angular momentum |
| C. | angular acceleration |
| D. | angular speed |
| Answer» C. angular acceleration | |
| 32. |
The rate at which the angular velocity changes with time is called |
| A. | angular displacement |
| B. | angular velocity |
| C. | angular acceleration |
| D. | angular speed |
| Answer» D. angular speed | |
| 33. |
The velocity required by an object to orbit around the earth is |
| A. | 7 kms-1 |
| B. | 9 kms-1 |
| C. | 10 kms-1 |
| D. | 8 kms-1 |
| Answer» E. | |
| 34. |
In system international the angular acceleration is measured in |
| A. | degree per second |
| B. | degree per second square |
| C. | radians per second |
| D. | radians per second square |
| Answer» E. | |
| 35. |
Where was Christiaan Barnard born? |
| A. | Durban |
| B. | Amsterdam |
| C. | Port Elizabeth |
| D. | Beaufort West |
| Answer» E. | |
| 36. |
Where are the headquarters of CIA? |
| A. | New York |
| B. | Langley |
| C. | Austin |
| D. | Sacramento |
| Answer» C. Austin | |
| 37. |
The graph of p against 1⁄V is |
| A. | straight line |
| B. | curve |
| C. | hyperbola |
| D. | parabola |
| Answer» B. curve | |
| 38. |
The spin angular momentum is the momentum of the |
| A. | circular body |
| B. | spinning body |
| C. | sphere |
| D. | hoop |
| Answer» C. sphere | |
| 39. |
Body having weight 50 kg turning in a circle at 5 m/s if the radius of circle is 5m then the force exerted on body to hold it in circular path is |
| A. | 200N |
| B. | 250N |
| C. | 300N |
| D. | 350N |
| Answer» C. 300N | |
| 40. |
Rays that travel in a narrow beam and easily pass through the atmosphere of the earth are |
| A. | microwaves |
| B. | x-rays |
| C. | gamma rays |
| D. | infrared rays |
| Answer» B. x-rays | |
| 41. |
Phenomena of radioactivity was discovered by Henri Becquerel in |
| A. | 1895 |
| B. | 1896 |
| C. | 1893 |
| D. | 1894 |
| Answer» C. 1893 | |
| 42. |
The rotational kinetic energy of the disc is given by |
| A. | 1/4(mv2) |
| B. | 1/2(mv2) |
| C. | 1/8(mv2) |
| D. | 1/6(mv2) |
| Answer» B. 1/2(mv2) | |
| 43. |
Who was Director of CIA and later became Defence Secretary of USA? |
| A. | Robert Gates |
| B. | William Henry Gates |
| C. | Colin Powell |
| D. | Janet Reno |
| Answer» B. William Henry Gates | |
| 44. |
Where did Christiaan Barnard die? |
| A. | Cape Town |
| B. | Paphos |
| C. | Lyndenburg |
| D. | Winburg |
| Answer» C. Lyndenburg | |
| 45. |
One revolution is equals to the angle of |
| A. | 90° |
| B. | 180° |
| C. | 270° |
| D. | 360° |
| Answer» E. | |
| 46. |
One radian is equals to the angle of |
| A. | 57.3° |
| B. | 57.4° |
| C. | 53.3° |
| D. | 58.3° |
| Answer» B. 57.4° | |
| 47. |
Curved flights at high speed requires centripetal force that is |
| A. | small |
| B. | zero |
| C. | large |
| D. | maximum |
| Answer» D. maximum | |
| 48. |
The orbital angular momentum is associated with motion of the body along |
| A. | circular path |
| B. | straight path |
| C. | central point |
| D. | pivot axis |
| Answer» B. straight path | |
| 49. |
Which Christopher Fry play was based on a tale from Gaius Petronius Arbiter? |
| A. | Duel of Angels |
| B. | A Phoenix Too Frequent |
| C. | Ben Hur |
| D. | The Dark Is Light Enough |
| Answer» C. Ben Hur | |
| 50. |
The average angular velocity of the body rotating at angle of 30° during the time interval 5s will be |
| A. | 6 rad/s |
| B. | 7 rad/s |
| C. | 8 rad/s |
| D. | 10 rad/s |
| Answer» B. 7 rad/s | |