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. |
Which technique has been used to study the dynamic nature of microtubules? |
| A. | AFM |
| B. | FRAP |
| C. | GC-MS |
| D. | ICP-MS |
| Answer» C. GC-MS | |
| 2. |
Which of the following are the most extensible filaments? |
| A. | intermediate filaments |
| B. | cytochrome |
| C. | microfilaments |
| D. | microtubules |
| Answer» B. cytochrome | |
| 3. |
Atomic force microscopy uses _____________ |
| A. | X-rays |
| B. | Infrared light |
| C. | Nanosized tip |
| D. | Nickel tip |
| Answer» D. Nickel tip | |
| 4. |
In total internal reflection microscopy (TIRF), thin planes can be focused |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
Which types of lasers are used in optical tweezers? |
| A. | Laser beams |
| B. | UV-rays |
| C. | X-rays |
| D. | Radio waves |
| Answer» B. UV-rays | |
| 6. |
Variants of a protein are called __________ |
| A. | isotopes |
| B. | isomers |
| C. | isoforms |
| D. | enantiomers |
| Answer» D. enantiomers | |
| 7. |
In fluorescence speckle microscopy, cytoskeletal filaments are uniformly labeled. |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
Which protein is used for the fluorescent labeling of cytoskeleton elements of the cell? |
| A. | horseradish peroxide |
| B. | methylene blue |
| C. | bromophenol blue |
| D. | green fluorescent protein |
| Answer» E. | |
| 9. |
Which method is most suitable for silicon crystal growth in silicon wafer preparation? |
| A. | Float zone process |
| B. | Bridgeman-Stockbarger method |
| C. | Czochralski crystal growth process |
| D. | Laser heated pedestal growth |
| Answer» D. Laser heated pedestal growth | |
| 10. |
In which method shallow penetration of dopants is possible? |
| A. | Ion implantation |
| B. | Vertical diffusion |
| C. | Horizontal diffusion |
| D. | Dopants diffusion |
| Answer» B. Vertical diffusion | |
| 11. |
During ion implantation process (before the ion strike the wafer) the accelerated ions are passed through |
| A. | Strong Electric field |
| B. | Strong Magnetic field |
| C. | Strong Electric and Magnetic Field |
| D. | None of the mentioned |
| Answer» C. Strong Electric and Magnetic Field | |
| 12. |
What will be the next step after slicing (process) silicon wafers? |
| A. | All of the mentioned |
| B. | Lapping |
| C. | Polishing |
| D. | Chemical |
| Answer» B. Lapping | |
| 13. |
Pick out the incorrect statementAluminium is usually used for metallization of most IC as it offers |
| A. | Relatively a good conductor |
| B. | High resistance |
| C. | Good mechanical bond with silicon |
| D. | Deposition of aluminium film using vacuum deposition |
| Answer» D. Deposition of aluminium film using vacuum deposition | |
| 14. |
The major disadvantage of PN-junction isolation technique is: |
| A. | Formation of Parasitic Resistance |
| B. | Formation of Parasitic Capacitance |
| C. | Formation of Isolation island |
| D. | None of the mentioned |
| Answer» C. Formation of Isolation island | |
| 15. |
During salutatory conduction, a nerve impulse jumps from one ___________ to another. |
| A. | Axon |
| B. | Synapse |
| C. | Myelin sheath |
| D. | Node of Ranvier |
| Answer» E. | |
| 16. |
Polysynaptic membranes are found in __________ |
| A. | Axons |
| B. | Dendrites |
| C. | Myelin sheath |
| D. | Neuron cell bodies |
| Answer» C. Myelin sheath | |
| 17. |
Which of the following neurotransmitter is not a biogenic amine? |
| A. | Dopamine |
| B. | Serotonin |
| C. | Neuropeptides |
| D. | Norepinephrine |
| Answer» D. Norepinephrine | |
| 18. |
Axoplasm is a __________ |
| A. | Cytoplasm of axon |
| B. | Cytoplasm of dendrite |
| C. | Blood plasma |
| D. | External fluid to axon but inside myelin sheath |
| Answer» B. Cytoplasm of dendrite | |
| 19. |
Nissl’s granules are present in ____________ |
| A. | RBC |
| B. | WBC |
| C. | Nerve cells |
| D. | Platelets |
| Answer» D. Platelets | |
| 20. |
A neuron is formed of 3 parts. |
| A. | True |
| B. | False |
| Answer» C. | |
| 21. |
It is found that the _______ are not seriously affected until very high temperature of 1200°C to 1300°C are reached. |
| A. | Plastic |
| B. | Limestone |
| C. | Sandstone |
| D. | Brick |
| Answer» E. | |
| 22. |
The __________ is a bad conductor of heat and it is also non-combustible building material. |
| A. | Sandstone |
| B. | Granite |
| C. | Stone |
| D. | Limestone |
| Answer» D. Limestone | |
| 23. |
The class of fire-load limiting between 2.23×10^6 to 4.60×10^6 is considered as ______________ |
| A. | Extreme |
| B. | Moderate |
| C. | High |
| D. | Low |
| Answer» D. Low | |
| 24. |
The class of fire-load not exceeding 1.15×10^6 is considered as _________ |
| A. | High |
| B. | Low |
| C. | Moderate |
| D. | Extreme |
| Answer» C. Moderate | |
| 25. |
The term _____________ is used to indicate the amount of heat liberated in kilojoules per square metre of floor area of any compartment by the combustion of the content of the building and any combustible part of the building itself. |
| A. | Combustion |
| B. | Fire load |
| C. | Calorific value |
| D. | Heat liberation |
| Answer» C. Calorific value | |
| 26. |
The hazard which concerns with the loss or damage to life is referred to as the ______________ |
| A. | Peron hazard |
| B. | People Hazard |
| C. | Personal hazard |
| D. | Internal hazard |
| Answer» D. Internal hazard | |
| 27. |
The hazard due to fire spread into a building through the open air is known as__________ |
| A. | Windward hazard |
| B. | Internal hazard |
| C. | Exposure hazard |
| D. | Personal hazard |
| Answer» D. Personal hazard | |
| 28. |
________________ gas hampers oxygen from reaching the brain. |
| A. | Carbon dioxide |
| B. | Carbon monoxide |
| C. | Nitrogen peroxide |
| D. | Hydrogen |
| Answer» C. Nitrogen peroxide | |
| 29. |
What is the unit of Fouling factor (Rf) in F.P.S system? |
| A. | Btu/hr ft2℉ |
| B. | Btu/hr ℉ |
| C. | Btu/hr P℉ |
| D. | Btu/hr P2℉ |
| Answer» D. Btu/hr P2℉ | |
| 30. |
What is the value of Prandtl number if the value of Nusselt number is 496 and Reynolds number is 120000? |
| A. | 4.67 |
| B. | 5.67 |
| C. | 4 |
| D. | 7.3 |
| Answer» B. 5.67 | |
| 31. |
Consider we have a Double Pipe Heat Exchanger, with the inner tube of Outer diameter 20mm (thickness 2mm) and outer tube of inner diameter 30mm. What is the overall heat transfer coefficient if the convective heat transfer coefficient for annulus side is 496 W/m2K and for the inner tube is 530 W/m2K? |
| A. | 228.6 W/m2K |
| B. | 220 W/m2K |
| C. | 256.2 W/m2K |
| D. | 212 W/m2K |
| Answer» B. 220 W/m2K | |
| 32. |
To calculate the efficiency of a double pipe heat exchanger, the formula is€ = \(\frac{X}{Maximum \, possible \, rate \, of \, Heat \, Transfer}\), where X stands for _________ |
| A. | Clean tube rate of heat transfer |
| B. | Experimental rate of heat transfer |
| C. | Actual rate of heat transfer |
| D. | Minimum rate of heat transfer |
| Answer» D. Minimum rate of heat transfer | |
| 33. |
Consider we have a Double Pipe Heat Exchanger, with the inner tube of Outer diameter 20mm (thickness 2mm) and outer tube of inner diameter 30mm. We have two fluids A & B, we desire to have their flow rates as 15 Kg/s and 21 Kg/s respectively. Calculate the convective heat transfer coefficient from tube to annulus side. (Given Nusselt number on tube side = 496 and K = 15W/mK) |
| A. | 2067 W/m2K |
| B. | 1653 W/m2K |
| C. | 1623 W/m2K |
| D. | 1673 W/m2K |
| Answer» C. 1623 W/m2K | |
| 34. |
When we calculate the overall heat transfer coefficient U= \(\frac{X×ho}{X+ho}\), what is the value X? |
| A. | hi, heat transfer coefficient for inner tube for inner side |
| B. | hio, heat transfer coefficient for inner tube for outer side |
| C. | hoi, heat transfer coefficient for annulus for inner side |
| D. | ho, heat transfer coefficient for annulus side |
| Answer» C. hoi, heat transfer coefficient for annulus for inner side | |
| 35. |
We can apply the formula for Hydraulic diameter De = \(\frac{4×(D_{io}^2 – D_{oi}^2)×\frac{π}{4}}{π(D_{io}+D_{oi})}\) only when _________(i) We are calculating Reynolds number for the annulus tube(ii) We are calculating Reynolds number for the inner tube(iii) We are calculating heat transfer coefficient for the annulus tube |
| A. | (ii)(iii) |
| B. | (i) |
| C. | (i)(ii) |
| D. | (i)(ii)(iii) |
| Answer» C. (i)(ii) | |
| 36. |
Consider we have a Double Pipe Heat Exchanger, with the inner tube of Outer diameter 20mm (thickness 2mm) and outer tube of inner diameter 30mm. We have two fluids A & B, we desire to have their flow rates as 15Kg/s and 21Kg/s respectively. Calculate the equivalent diameter dor the calculation of convective heat transfer coefficient for the ANNULUS side |
| A. | 10mm |
| B. | 20mm |
| C. | 25mm |
| D. | 35mm |
| Answer» D. 35mm | |
| 37. |
In the calculation of Heat Transfer Coefficient on the annulus side for heat transferred to the inner tube, which is the correct formula for equivalent diameter De? |
| A. | \(\frac{4×(D_{oi}^2 – D_{io}^2)×\frac{π}{4}}{π(D_{io})}\) |
| B. | \(\frac{4×(D_{io}^2 – D_{oi}^2)×\frac{π}{4}}{π(D_{io})}\) |
| C. | \(\frac{4×(D_{oi}^2 – D_{io}^2)×\frac{π}{4}}{π(D_{io}+D_{oi})}\) |
| D. | \(\frac{4×(D_{io}^2 – D_{oi}^2)×\frac{π}{4}}{π(D_{io}+D_{oi})}\) |
| Answer» B. \(\frac{4×(D_{io}^2 – D_{oi}^2)×\frac{π}{4}}{π(D_{io})}\) | |
| 38. |
Consider we have a Double Pipe Heat Exchanger, with the inner tube of Outer diameter 20mm (thickness 2mm) and outer tube of inner diameter 30mm. We have two fluids A & B, we desire to have their flow rates as 15Kg/s and 21Kg/s respectively. What is the value of Hydraulic diameter for the annulus tube? |
| A. | 20mm |
| B. | 15mm |
| C. | 25mm |
| D. | 10mm |
| Answer» E. | |
| 39. |
How many times do we calculate effective diameter/hydraulic diameter for a double pipe heat exchanger? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» B. 2 | |
| 40. |
Which of the following has the maximum Heat transfer rate for a Double Pipe Heat Exchanger? |
| A. | Counter-flow |
| B. | Parallel Flow |
| C. | Cross Flow |
| D. | Split Flow |
| Answer» B. Parallel Flow | |
| 41. |
Consider we have a Double Pipe Heat Exchanger, with the inner tube of diameter 20mm (neglect thickness) and outer tube of diameter 30mm. We have two fluids A & B (both with viscosity 2.5×10-5Pa-s), we desire to have their flow rates as 15 Kg/s and 21 Kg/s respectively. What is the Reynolds number for this setup for the inner pipe? |
| A. | 12000 |
| B. | 13000 |
| C. | 15000 |
| D. | 14000 |
| Answer» B. 13000 | |
| 42. |
For the calculation of Reynolds number in annulus side, we simply take the difference of the radius of the two tubes. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 43. |
A flat tong is used for holding bolts. |
| A. | True |
| B. | False |
| Answer» C. | |
| 44. |
Swages are used for providing smoothness to the articles. |
| A. | True |
| B. | False |
| Answer» C. | |
| 45. |
The following figure represents which hand tool appliance? |
| A. | Cross peen |
| B. | Ball peen |
| C. | Sledge |
| D. | Straight pin |
| Answer» B. Ball peen | |
| 46. |
The type of fault not belonging to the classification based on the mode of occurrence is ___________ |
| A. | Parallel fault |
| B. | Peripheral fault |
| C. | Enechelon fault |
| D. | Wrench fault |
| Answer» E. | |
| 47. |
Parallel can sometimes lead to step faults. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 48. |
Group of faults which appear emerging outward from a common central region are called ___________ |
| A. | Enechelon faults |
| B. | Parallel faults |
| C. | Peripheral faults |
| D. | Radial faults |
| Answer» E. | |
| 49. |
Identify the group of small sized faults from the following. |
| A. | Parallel faults |
| B. | Enechelon faults |
| C. | Peripheral faults |
| D. | Radial faults |
| Answer» C. Peripheral faults | |
| 50. |
The type of fault which is observed in both continental and oceanic environment is ___________ |
| A. | Strike-slip fault |
| B. | Dip fault |
| C. | Oblique fault |
| D. | Wrench fault |
| Answer» B. Dip fault | |