MCQOPTIONS
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MCQOPTIONS
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. |
Depending upon the flow of current from the output of one logic circuit to the input of another the logic families can be divides into _________ categories. |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» B. 3 | |
| 2. |
The maximum noise voltage that may appear at the input of a logic gate without changing the logical state of its output is termed as __________ |
| A. | Noise Margin |
| B. | Noise Immunity |
| C. | White Noise |
| D. | Signal to Noise Ratio |
| Answer» C. White Noise | |
| 3. |
Fan-in is defined as __________ |
| A. | the number of outputs connected to gate without any degradation in the voltage levels |
| B. | the number of inputs connected to gate without any degradation in the voltage levels |
| C. | the number of outputs connected to gate with degradation in the voltage levels |
| D. | the number of inputs connected to gate with degradation in the voltage levels |
| Answer» C. the number of outputs connected to gate with degradation in the voltage levels | |
| 4. |
Power Dissipation in DIC is expressed in __________ |
| A. | Watts or kilowatts |
| B. | Milliwatts or nanowatts |
| C. | DB |
| D. | Mdb |
| Answer» C. DB | |
| 5. |
The delay times are measured between the __________ % voltage levels of the input and output waveforms. |
| A. | 50 |
| B. | 75 |
| C. | 25 |
| D. | 100 |
| Answer» B. 75 | |
| 6. |
Propagation delay times can be divided as __________ |
| A. | t(PLH) and t(LPH) |
| B. | t(LPH) and t(PHL) |
| C. | t(PLH) and t(PHL) |
| D. | t(HPL) and t(LPH) |
| Answer» D. t(HPL) and t(LPH) | |
| 7. |
Propagation delay is defined as __________ |
| A. | the time taken for the output of a gate to change after the inputs have changed |
| B. | the time taken for the input of a gate to change after the outputs have changed |
| C. | the time taken for the input of a gate to change after the intermediates have changed |
| D. | the time taken for the output of a gate to change after the intermediates have changed |
| Answer» B. the time taken for the input of a gate to change after the outputs have changed | |
| 8. |
CMOS refers to __________ |
| A. | Continuous Metal Oxide Semiconductor |
| B. | Complementary Metal Oxide Semiconductor |
| C. | Centred Metal Oxide Semiconductor |
| D. | Concrete Metal Oxide Semiconductor |
| Answer» C. Centred Metal Oxide Semiconductor | |
| 9. |
MOS families includes __________ |
| A. | PMOS and NMOS |
| B. | CMOS and NMOS |
| C. | PMOS, NMOS and CMOS |
| D. | EMOS, NMOS and PMOS |
| Answer» D. EMOS, NMOS and PMOS | |
| 10. |
Elastomers have excellent adhesion to concrete and are not susceptible to ____________ |
| A. | Hardening |
| B. | Shaving |
| C. | Collapsing |
| D. | Softening |
| Answer» E. | |
| 11. |
Before patching the exposure strands should be coated with ____________ |
| A. | Thick cement grout |
| B. | Slurry cement grout |
| C. | Hardened cement grout |
| D. | Watery cement grout |
| Answer» C. Hardened cement grout | |
| 12. |
The repair procedure in severe damage includes ____________ |
| A. | Grouting |
| B. | Collapse |
| C. | Shortcrete |
| D. | Mud |
| Answer» D. Mud | |
| 13. |
The tensile shear strength of the adhesive is initially proportional to the square root of ____________ |
| A. | Span |
| B. | Thickness |
| C. | Area |
| D. | Eccentricity |
| Answer» C. Area | |
| 14. |
The pretreatment of concrete surface is generally carried out by ____________ |
| A. | Sand blasting |
| B. | Forrowing |
| C. | Bleeding |
| D. | Blasting |
| Answer» B. Forrowing | |
| 15. |
In Switzerland the externally bonded steel plates were used for ____________ |
| A. | Bridges |
| B. | Crops |
| C. | Dams |
| D. | Tanks |
| Answer» B. Crops | |
| 16. |
The load bearing capacity of a structural element can be increased by changing ____________ |
| A. | Foundation |
| B. | Design |
| C. | Span |
| D. | Loads |
| Answer» D. Loads | |
| 17. |
The first attempt to strengthen concrete flexural elements by externally bonded steel plates was attempted in? |
| A. | Germany |
| B. | France |
| C. | America |
| D. | Russia |
| Answer» C. America | |
| 18. |
The restoration of structures by rectifying constructional deficiencies are as a result of ____________ |
| A. | Cross section |
| B. | Span |
| C. | Dimensioning |
| D. | Slab |
| Answer» D. Slab | |
| 19. |
Emulsion or droplet PCR is another modification of PCR. Which of the statement holds true? |
| A. | It is possible to incorporate the reagents in a lipid drop |
| B. | It refers to the PCR carried out at large scale |
| C. | The temperature variation is not possible easily |
| D. | If there is a single template molecule at the start then amplification results in the mixture and it because of the extent of extension carried out |
| Answer» B. It refers to the PCR carried out at large scale | |
| 20. |
Which of the statement is incorrect for anchored PCR? |
| A. | Anchored PCR is the modification in which only one piece of the sequence is known and thus one primer |
| B. | The known sequence is attached to the required region of amplification and then further used as a second priming site |
| C. | Fragment the sample DNA and ligate it to known sequence |
| D. | Tails are added enzymatically to the region of known sequence |
| Answer» E. | |
| 21. |
If amplification of one of the strand is favoured, the modification of PCR is known as __________ |
| A. | single-strand PCR |
| B. | partial PCR |
| C. | asymmetric PCR |
| D. | anchored PCR |
| Answer» D. anchored PCR | |
| 22. |
Mutation is never deliberately induced in PCR products. |
| A. | True |
| B. | False |
| Answer» C. | |
| 23. |
By using two oligonucleotides, we can measure the amount of quantity of DNA by measuring the amount of fluorescence. The first probe absorbs light and the second emits it at a particular wavelength. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 24. |
Which one of the following is not done if amplification of the non flanking region is carried out? |
| A. | Firstly, restriction enzyme digestion is done of those sites whose sequence is not known |
| B. | Then the self-ligation of molecules is allowed |
| C. | Now the molecules are cleaved where the known sequence is |
| D. | Again, the molecules are linearized and the known sequence is in the middle |
| Answer» E. | |
| 25. |
Ring gates retain slag. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 26. |
Which of the following gates is not favourble for non ferrous castings? |
| A. | Top gate |
| B. | Bottom gate |
| C. | Parting gate |
| D. | Middle gate |
| Answer» B. Bottom gate | |
| 27. |
Which of the following gate is also called as ‘drop gate’? |
| A. | Top gate |
| B. | Bottom gate |
| C. | Parting gate |
| D. | Middle gate |
| Answer» B. Bottom gate | |
| 28. |
For the functioning of the gating system, which of the following factors need not be controlled? |
| A. | Type of sprue |
| B. | Size of runner |
| C. | Temperature of molten metal |
| D. | Type of riser |
| Answer» E. | |
| 29. |
Which structures are best suited to resist earthquake shocks without danger? |
| A. | Earthen dams |
| B. | Concrete gravity dams |
| C. | Timber dam |
| D. | Both earthen and concrete gravity dams |
| Answer» E. | |
| 30. |
Which of the following statement is incorrect regarding the selection of dam site? |
| A. | For economy, the length of the dam should be as small as possible |
| B. | For a given height, it should store the maximum volume of water |
| C. | The river valley at the dam site should be narrow but should open out upstream to provide a large basin for a reservoir |
| D. | The general bed level at the dam site should preferably be lower than that of the river basin |
| Answer» E. | |
| 31. |
Arch dams are constructed in _____________ |
| A. | wide valleys with flat side slopes |
| B. | narrow valley with weak abutments |
| C. | moderate valleys with strong abutments |
| D. | narrow valleys with strong abutments |
| Answer» E. | |
| 32. |
For any width of the valley with any foundation and low height of water to be stored, the best-suited dam is _____________ |
| A. | steel dam |
| B. | buttress dam |
| C. | timber dam |
| D. | solid gravity dam |
| Answer» D. solid gravity dam | |
| 33. |
Which dam is a better choice when the raw materials are not available and have to be transported from far off distances? |
| A. | Earthen dam |
| B. | Rock-fill dam |
| C. | Concrete gravity dam |
| D. | Hollow concrete dam |
| Answer» E. | |
| 34. |
Which foundation is not fit for concrete gravity dam or for rock-fill dams? |
| A. | Solid rock foundation |
| B. | Gravel foundation |
| C. | Silt and fine sand foundation |
| D. | Clay foundation |
| Answer» E. | |
| 35. |
Which foundation suggests the adoption of an earth dam or very low gravity dam? |
| A. | Solid rock foundation |
| B. | Gravel foundation |
| C. | Silt and fine sand foundation |
| D. | Clay foundation |
| Answer» D. Clay foundation | |
| 36. |
Which of the following foundations are suitable for earthen and rock-fill dams? |
| A. | Solid rock foundation |
| B. | Gravel foundation |
| C. | Silt and fine sand foundation |
| D. | Clay foundation |
| Answer» C. Silt and fine sand foundation | |
| 37. |
A narrow V-shaped valley indicates the choice of _________________ |
| A. | concrete overflow dam |
| B. | spillway |
| C. | arch dam |
| D. | earth dam |
| Answer» D. earth dam | |
| 38. |
Topography dictates the first choice of the type of dam. A narrow U-shaped valley would suggest a ________________________ |
| A. | concrete overflow dam |
| B. | spillway |
| C. | arch dam |
| D. | earth dam |
| Answer» B. spillway | |
| 39. |
If E=255 and M≠0, then which of the following statement is true about X? |
| A. | Not a number |
| B. | Infinity |
| C. | Defined |
| D. | Zero |
| Answer» B. Infinity | |
| 40. |
The binary digit b-A is called as ______________ |
| A. | LSB |
| B. | Total value |
| C. | MSB |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 41. |
What is the 2’s complement of (1100)2? |
| A. | (0100)2 |
| B. | (0011)2 |
| C. | (0111)2 |
| D. | (1100)2 |
| Answer» B. (0011)2 | |
| 42. |
What is the binary equivalent of (-3/8)? |
| A. | (10011)2 |
| B. | (0011)2 |
| C. | (1100)2 |
| D. | (1101)2 |
| Answer» E. | |
| 43. |
The investigations revealed that the bearings were not at ____________ |
| A. | 60 degrees |
| B. | 30 degrees |
| C. | 90 degrees |
| D. | 20 degrees |
| Answer» B. 30 degrees | |
| 44. |
The suspended span comprises of how many prestressed concrete girders? |
| A. | 4 |
| B. | 2 |
| C. | 6 |
| D. | 1 |
| Answer» C. 6 | |
| 45. |
The Chambal bridge is on a state highway connecting which states? |
| A. | Karnataka and Kerala |
| B. | Delhi and Hyderabad |
| C. | Uttar Pradesh and Madhya Pradesh |
| D. | West Bengal and Assam |
| Answer» D. West Bengal and Assam | |
| 46. |
The restoration of the end block of the girder can be done completely dismantling the ____________ |
| A. | Concrete |
| B. | Cement |
| C. | Water |
| D. | Aggregates |
| Answer» B. Cement | |
| 47. |
The super structure of Katepura bridge in Maharashtra state comprises of ____________ |
| A. | Cantilever beam |
| B. | SSB |
| C. | Point |
| D. | Simple beam |
| Answer» C. Point | |
| 48. |
The deck in Quinton bridge in U.K is made of ____________ |
| A. | Voided slabs |
| B. | Concrete slabs |
| C. | Prestressed slabs |
| D. | Elongated slabs |
| Answer» B. Concrete slabs | |
| 49. |
The super structure of Obra singrauli bridge, located on eastern railway in Indian is of span ____________ |
| A. | 14.3 |
| B. | 18.3m |
| C. | 16.3m |
| D. | 12.3m |
| Answer» C. 16.3m | |
| 50. |
The concrete deck slab and girders of Gizener bridge, Switzerland was built in the year? |
| A. | 1911 |
| B. | 1920 |
| C. | 1915 |
| D. | 1900 |
| Answer» B. 1920 | |