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This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Polyubiquitin chain is linked to which amino acid of the substrate protein? |
| A. | Glycine |
| B. | Proline |
| C. | Methionine |
| D. | Lysine |
| Answer» E. | |
| 2. |
Which of the following complex is known as Ubiquitin ligase? |
| A. | E1-E3 complex |
| B. | E2-E4 complex |
| C. | E1-E4 complex |
| D. | E2-E3 complex |
| Answer» E. | |
| 3. |
Which of the following enzymes is the starting point of the Ubiquitin-conjugating system? |
| A. | Ubiquitin ligase (E2-E3 complex) |
| B. | Accessory proteins (E3) |
| C. | Ubiquitin-conjugating enzyme (E2) |
| D. | Ubiquitin-activating enzyme (E1) |
| Answer» E. | |
| 4. |
ATP dependent proteases constitute how much percent of the total cell proteins? |
| A. | 0.2 percent |
| B. | 10 percent |
| C. | 0.1 percent |
| D. | 1 percent |
| Answer» E. | |
| 5. |
The proteolytic machinery acts after the chaperones have finished their tasks. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
What is an LPR? |
| A. | Measures flow rate |
| B. | Wellhead equipment |
| C. | Used inside packer |
| D. | Measures corrosion rate |
| Answer» C. Used inside packer | |
| 7. |
Corrosion is the process of becoming progressively worse of a metal as a result of chemical reactions. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
Which of the following is not the primary form of polymer deterioration? |
| A. | Weathering |
| B. | Scission |
| C. | Corrosion |
| D. | Swelling and Dissolution |
| Answer» D. Swelling and Dissolution | |
| 9. |
According to the guideline of the German Society for Nondestructive Testing, the electrochemical potential mapping is a special procedure used to localize the corroding reinforcing steels. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
Which of the following form of corrosion occurs due to concentration difference in a component? |
| A. | Uniform |
| B. | Galvanic |
| C. | Inter-granular |
| D. | Stress |
| Answer» D. Stress | |
| 11. |
An 3 phase alternator star connected 400 V synchronous motor takes a power input of 5472 watts at rated voltage. Its synchronous reactance is 10** per phase and negligible resistance. If its excitation voltage is adjusted equal to the rated voltage of 400 V, its power factor is _______ |
| A. | cos(10°) |
| B. | cos(20°) |
| C. | cos(40°) |
| D. | cos(30°) |
| Answer» B. cos(20°) | |
| 12. |
Under the conditions of maximum values of active or reactive power, a synchronous machine always absorbs reactive power. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 13. |
What is Synchronous motor? |
| A. | absorbs reactive power for maximum input real power |
| B. | absorbs reactive power for maximum input reactive power |
| C. | delivers reactive power for maximum input real power |
| D. | delivers reactive power for maximum input reactive power |
| Answer» B. absorbs reactive power for maximum input reactive power | |
| 14. |
If the synchronous motor connected to the infinite bus bar absorbs reactive power to it, then it must be operating at __________ |
| A. | leading pf |
| B. | lagging pf |
| C. | zero pf |
| D. | unity pf |
| Answer» C. zero pf | |
| 15. |
For an underexcited 3 phase synchronous motor, connected to IBB is __________ |
| A. | absorbing reactive power from IBB |
| B. | delivering reactive power to IBB |
| C. | absorbing zero reactive power from IBB |
| D. | delivering zero reactive power to IBB |
| Answer» B. delivering reactive power to IBB | |
| 16. |
If the synchronous motor connected to the infinite bus bar delivers positive reactive power to it, then it must be operating at __________ |
| A. | leading pf |
| B. | lagging pf |
| C. | zero pf |
| D. | unity pf |
| Answer» B. lagging pf | |
| 17. |
For an overexcited 3 phase synchronous motor, connected to infinite bus is __________ |
| A. | motor is delivering reactive power to IBB |
| B. | motor is absorbing reactive power to IBB |
| C. | motor is delivering zero reactive power to IBB |
| D. | none of the mentioned |
| Answer» B. motor is absorbing reactive power to IBB | |
| 18. |
Under the condition of maximum power delivered, reactive power is __________ |
| A. | negative |
| B. | positive |
| C. | zero |
| D. | same as previous condition |
| Answer» B. positive | |
| 19. |
Under the conditions of maximum reactive power output, the reactive power flowing out of an alternator is __________ |
| A. | positive |
| B. | negative |
| C. | zero |
| D. | equal to power |
| Answer» C. zero | |
| 20. |
When terminal voltage exceeds the excitation, then operating power factor is? |
| A. | leading |
| B. | lagging |
| C. | uPF |
| D. | zpf |
| Answer» B. lagging | |
| 21. |
When excitation given to a 3-phase alternator is equal to terminal voltage then ____________ |
| A. | the absorbed reactive power is zero |
| B. | the absorbed real power is zero |
| C. | the delivered real power is zero |
| D. | any of the mentioned |
| Answer» B. the absorbed real power is zero | |
| 22. |
What is the use of the tan() function? |
| A. | To find the sine of a number |
| B. | To find the cosine of a number |
| C. | To find the tan of a number |
| D. | To find the inverse tan of a number |
| Answer» D. To find the inverse tan of a number | |
| 23. |
What is the use of the sin() function? |
| A. | To find the sine of a number |
| B. | To find the cosine of a number |
| C. | To find the tan of a number |
| D. | To find the inverse tan of a number |
| Answer» B. To find the cosine of a number | |
| 24. |
What is the use of the cos() function? |
| A. | To find the cosine of a number |
| B. | To find the sine of a number |
| C. | To find the tan of a number |
| D. | To find the inverse cosine of a number |
| Answer» B. To find the sine of a number | |
| 25. |
What is the use of the sq() function? |
| A. | To find the square root of a number |
| B. | To find the square of a number |
| C. | To find the cube of a number |
| D. | To find the cube root of a number |
| Answer» C. To find the cube of a number | |
| 26. |
What is the use of the sqrt() function? |
| A. | To find the square of a number |
| B. | To find the square root of a number |
| C. | To find the cube root of a number |
| D. | To find the cube of a number |
| Answer» C. To find the cube root of a number | |
| 27. |
What is the purpose of the pow(x,y) function? |
| A. | To find xy |
| B. | To find yx |
| C. | To find ex |
| D. | To find 10y |
| Answer» B. To find yx | |
| 28. |
What is the maximum number of arguments for the map() function? |
| A. | 1 |
| B. | 3 |
| C. | 5 |
| D. | 7 |
| Answer» D. 7 | |
| 29. |
What is the maximum number of arguments for the constrain() function? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 30. |
What is the math function to find out the maximum of 2 numbers? |
| A. | The maximumOf() function |
| B. | The maximum_number() function |
| C. | The max() function |
| D. | The m() function |
| Answer» D. The m() function | |
| 31. |
What is the math function to find out the minimum of 2 numbers? |
| A. | The min() function |
| B. | The minimum_number() function |
| C. | The m() function |
| D. | The minimumOf() function |
| Answer» B. The minimum_number() function | |
| 32. |
Schering bridge is a DC (Direct current) bridge. |
| A. | True |
| B. | False |
| Answer» C. | |
| 33. |
Which DC bridge is used to find very small resistor values, generally below 1 ohm? |
| A. | Maxwell’s Bridge |
| B. | Wheatstone Bridge |
| C. | Kevin Bridge |
| D. | H-Bridge |
| Answer» E. | |
| 34. |
Which condition is referred as balanced condition of bridge? |
| A. | When the centre Galvanometer detects highest current flow |
| B. | When the centre Galvanometer detects constant current flow |
| C. | When the centre Galvanometer detects no current flow |
| D. | When the centre Galvanometer gets damaged |
| Answer» D. When the centre Galvanometer gets damaged | |
| 35. |
Which detector is not used in AC circuit? |
| A. | Tunable amplifier circuit |
| B. | Vibration galvanometers |
| C. | Galvanometers |
| D. | Head phones |
| Answer» D. Head phones | |
| 36. |
Vibration galvanometer is used as a detector in AC circuit instead of normal galvanometer. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 37. |
Which bridge can be used to find very small difference in two resistor values? |
| A. | H-Bridge |
| B. | Wien Bridge |
| C. | Maxwell Bridge |
| D. | Carey foster bridge circuit |
| Answer» E. | |
| 38. |
Which bridge can be used for providing a DC output from AC input? |
| A. | H-Bridge |
| B. | Wien Bridge |
| C. | Maxwell Bridge |
| D. | Diode bridge circuit |
| Answer» E. | |
| 39. |
Which bridge can be used as a switch? |
| A. | H-Bridge |
| B. | Wien Bridge |
| C. | Maxwell Bridge |
| D. | Heaviside Bridge |
| Answer» B. Wien Bridge | |
| 40. |
In a Wheatstone bridge if all the resistors are same then the bridge is unbalanced. |
| A. | True |
| B. | False |
| Answer» C. | |
| 41. |
How many H-bridges are present in the motor driver of a bipolar stepper motor? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 42. |
Which bridge can be used to alternate the polarity of an applied voltage? |
| A. | H-Bridge |
| B. | Wien Bridge |
| C. | Maxwell Bridge |
| D. | Heaviside Bridge |
| Answer» B. Wien Bridge | |
| 43. |
Which bridge is used to measure the effect of mutual inductance among two circuits? |
| A. | Wheatstone bridge |
| B. | Wien Bridge |
| C. | Maxwell Bridge |
| D. | Heaviside Bridge |
| Answer» E. | |
| 44. |
Which bridge is used to calculate unknown resistance in DC circuit? |
| A. | Wheatstone Bridge |
| B. | Wien Bridge |
| C. | Maxwell Bridge |
| D. | Heaviside Bridge |
| Answer» B. Wien Bridge | |
| 45. |
Which bridge is used to calculate unknown capacitance in AC circuit? |
| A. | Wheatstone Bridge |
| B. | Wien Bridge |
| C. | Maxwell Bridge |
| D. | Heaviside Bridge |
| Answer» C. Maxwell Bridge | |
| 46. |
Which bridge is used to calculate unknown inductance in AC circuit? |
| A. | Wheatstone Bridge |
| B. | Wien Bridge |
| C. | Maxwell Bridge |
| D. | Heaviside Bridge |
| Answer» D. Heaviside Bridge | |
| 47. |
Radio application layer constructs physical and virtual radio channels. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 48. |
Which of the following is not a facility offered by infrastructure layer? |
| A. | Synchronization |
| B. | High speed interconnect |
| C. | Resource management |
| D. | Position generation |
| Answer» C. Resource management | |
| 49. |
_____ translates laptop level display information to a level suitable for handheld device. |
| A. | Transmission Control Protocol |
| B. | Graphic User Interface |
| C. | Simple Network Management Protocol |
| D. | Wireless Access Protocol |
| Answer» E. | |
| 50. |
The software tradeoffs at ____ level of the architecture involve the user. |
| A. | communication services |
| B. | radio application |
| C. | radio infrastructure |
| D. | hardware |
| Answer» B. radio application | |