MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 2460 Mcqs, each offering curated multiple-choice questions to sharpen your Advanced Machining knowledge and support exam preparation. Choose a topic below to get started.
| 801. |
If g is the transconductance, r is the resistance due to channel length modulation and if M2 and M1 has channel length modulation but M3 doesn’t, what is the total resistance at the drain of M2? |
| A. | {(1 + gr)* R + R} || 2R |
| B. | {(1 + gr)* 3R + 2R} || R |
| C. | {(1 + gr)* (R || 1/g || r) + (R || 1/g || r)} || R |
| D. | Infinite |
| Answer» D. Infinite | |
| 802. |
If g is the transconductance, r is the resistance due to channel length modulation and if M2 and M1 has channel length modulation but M3 doesn’t, what is the output resistance at the source of M3? |
| A. | 1/g || R |
| B. | 1/g || r + 1/g |
| C. | 1/g || R + 1/g |
| D. | 1/g || r + 2/g |
| Answer» B. 1/g || r + 1/g | |
| 803. |
If g is the transconductance, r is the resistance due to channel length modulation and if M2 has channel length modulation but M1 and M3 doesn’t, what is the total resistance at the source of M2? |
| A. | (1/ g || R) || (1/g || r) |
| B. | (1/ g) || (1/g || r) |
| C. | R || (1/g || r) |
| D. | (1/ g || R) || 1/g |
| Answer» B. (1/ g) || (1/g || r) | |
| 804. |
If g is the transconductance, r is the resistance due to channel length modulation and if M2 has channel length modulation but M1 doesn’t, what is the voltage gain at node x? |
| A. | (1/g || r) / (1/g + (1/g || r)) |
| B. | (1/g || r) / (1/g + (1/g || 2r)) |
| C. | (1/g || r) / (2/g + (1/g || r)) |
| D. | (1/g || r) / (1/g + (2/g || r)) |
| Answer» B. (1/g || r) / (1/g + (1/g || 2r)) | |
| 805. |
Let f(x) = x then number of solution to f(x) = f -1(x) is zero. |
| A. | True |
| B. | False |
| Answer» C. | |
| 806. |
The solution to f(x) = f -1(x) are __________ |
| A. | no solutions in any case |
| B. | same as solution to f(x) = x |
| C. | infinite number of solution for every case |
| D. | none of the mentioned |
| Answer» C. infinite number of solution for every case | |
| 807. |
For any function fof -1(x) is equal to? |
| A. | x |
| B. | 1 |
| C. | x2 |
| D. | none of the mentioned |
| Answer» B. 1 | |
| 808. |
If f is a function defined from R to R, is given by f(x) = x2 then f -1(x) is given by? |
| A. | 1/(3x-5) |
| B. | (x+5)/3 |
| C. | does not exist since it is not a bijection |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 809. |
f(x) is a bijection than f -1(x) is a mirror image of f(x) around y = x. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 810. |
For some bijective function inverse of that function is not bijective. |
| A. | True |
| B. | False |
| Answer» C. | |
| 811. |
If f is a function defined from R to R, is given by f(x) = 3x – 5 then f –1(x) is given by __________ |
| A. | 1/(3x-5) |
| B. | (x+5)/3 |
| C. | does not exist since it is not a bijection |
| D. | none of the mentioned |
| Answer» C. does not exist since it is not a bijection | |
| 812. |
A function f(x) is defined from A to B then f -1 is defined __________ |
| A. | from A to B |
| B. | from B to A |
| C. | depends on the inverse of function |
| D. | none of the mentioned |
| Answer» C. depends on the inverse of function | |
| 813. |
If f(x) = y then f-1(y) is equal to __________ |
| A. | y |
| B. | x |
| C. | x2 |
| D. | none of the mentioned |
| Answer» C. x2 | |
| 814. |
For an inverse to exist it is necessary that a function should be __________ |
| A. | injection |
| B. | bijection |
| C. | surjection |
| D. | none of the mentioned |
| Answer» C. surjection | |
| 815. |
Which of these are the possible cause of sickle cell anemia with respect to hemoglobin: |
| A. | Defect in β-chain of hemoglobin |
| B. | Defect in α-chain of hemoglobin |
| C. | One copy of an abnormal β-globin gene |
| D. | Two copies of an abnormal β-globin gene |
| Answer» E. | |
| 816. |
What is the shape of the oxygen dissociation curve of myoglobin? |
| A. | Linear |
| B. | Hyperbola |
| C. | Sigmoid |
| D. | Parabola |
| Answer» C. Sigmoid | |
| 817. |
In which iron(Fe) state myoglobin binds to the oxygen? |
| A. | Fe2+ |
| B. | Fe3+ |
| C. | Fe |
| D. | Fe4+ |
| E. | state myoglobin binds to the oxygen?a) Fe2+b) Fe3+c) Fed) Fe4+ |
| Answer» B. Fe3+ | |
| 818. |
Oxygen affinity for hemoglobin is affected by Ph and this phenomenon is known as Bohr’s effect. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 819. |
Arrange the following sequence of collagen synthesis in the correct order.1) The entrance of polypeptide into the rough endoplasmic reticulum2) Packaged in to transport vesicle3) Hydroxylation of lysyl and prolyl residues4) Formation of tropocollagen5) Covalent cross-linking of tropocollagen6) Collection of fibrils |
| A. | 2, 3, 4, 1, 6, 5 |
| B. | 4, 3, 2, 1, 5, 6 |
| C. | 1, 2, 3, 4, 6, 5 |
| D. | 1, 3, 4, 2, 5, 6 |
| Answer» E. | |
| 820. |
What is the fundamental unit of collagen? |
| A. | Tropocollagen |
| B. | Hydroxyproline |
| C. | Hydroxylysine |
| D. | Glycine |
| Answer» B. Hydroxyproline | |
| 821. |
Blanty’s group of mini-IncP plasmids has a maximum size of _______ kb. |
| A. | 1 |
| B. | 3 |
| C. | 5 |
| D. | 7 |
| Answer» E. | |
| 822. |
IncP alpha plasmids are smaller in size than IncPbeta plasmids. |
| A. | True |
| B. | False |
| Answer» C. | |
| 823. |
What is the size of IncP alpha plasmids? |
| A. | 20 kb |
| B. | 40 kb |
| C. | 60 kb |
| D. | 80 kb |
| Answer» D. 80 kb | |
| 824. |
Which resistance is lost if DNA is inserted in EcoR1 or BstEII sites? |
| A. | Sulphonamide |
| B. | Alcohol |
| C. | Ampicillin |
| D. | Streptomycin |
| Answer» E. | |
| 825. |
Insertion of DNA fragment between PstI sites ____________ the resistance determinant. |
| A. | Activates |
| B. | Inactivates |
| C. | Weakens |
| D. | Removes |
| Answer» C. Weakens | |
| 826. |
What is required to clone DNA in non-enteric bacteria? |
| A. | Enzymes |
| B. | PCR |
| C. | Plasmid |
| D. | Phage |
| Answer» D. Phage | |
| 827. |
The ILM program uses an iterative loop matching algorithm to maximize base pairs and allows pseudoknots to form by allowing base. pairs to be added or removed in successive rounds. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 828. |
If the centroid structure is different from the minimum free-energy structure, the centroid structure is often closer to the phylogenetic prediction and contains fewer base pairs, or fewer false-positive base pair predictions, than the minimum free-energy prediction. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 829. |
______ molecules can simply be identified based on their sequence similarity with already-known sequences. |
| A. | Larger, less conserved |
| B. | Larger, highly conserved |
| C. | smaller, highly conserved |
| D. | shorter, highly conserved |
| Answer» C. smaller, highly conserved | |
| 830. |
Offshore wind turbines are not erected in water bodies. |
| A. | False |
| B. | True |
| Answer» B. True | |
| 831. |
Wind turbines require regular maintenance. |
| A. | False |
| B. | True |
| Answer» C. | |
| 832. |
What is the cost of a wind turbine per megawatt? |
| A. | $10000 |
| B. | $1000 |
| C. | $100 |
| D. | $1 million |
| Answer» E. | |
| 833. |
What is a yaw drive? |
| A. | A device used to support and stabilize other components |
| B. | A device used to house various energy conversion components |
| C. | A motor to ensure that nacelle faces the wind |
| D. | A device used to track wind direction |
| Answer» D. A device used to track wind direction | |
| 834. |
What is a pitch drive motor? |
| A. | A motor that senses wind direction |
| B. | A motor to control the angle of blades |
| C. | A motor to ensure nacelle faces in the direction of the wind |
| D. | A motor to rotate the blades |
| Answer» C. A motor to ensure nacelle faces in the direction of the wind | |
| 835. |
What is the main function of gearbox in a wind turbine system? |
| A. | Multiples rotation speed to generate electricity |
| B. | Divides rotation speed to generate electricity |
| C. | Multiples rotation speed to consume wind energy |
| D. | Divides rotation speed to consume wind energy |
| Answer» B. Divides rotation speed to generate electricity | |
| 836. |
Nacelle is a kiosk that houses ______ |
| A. | a MOSFET |
| B. | a diode |
| C. | a wifi router |
| D. | a yaw drive |
| Answer» E. | |
| 837. |
What is a hybrid type tower? |
| A. | Guyed tower |
| B. | Guyed tower and wooden tower |
| C. | Thin and tall lattice type guyed tower |
| D. | Guyed tower and electric pole |
| Answer» D. Guyed tower and electric pole | |
| 838. |
Which of the following towers is used for small wind turbines? |
| A. | Hybrid tower |
| B. | Guyed pole tower |
| C. | Electric pole |
| D. | Wooden pole |
| Answer» C. Electric pole | |
| 839. |
What is the main function of tower in a wind turbine system? |
| A. | Acts a support to all other components used in wind turbine system |
| B. | Acts as an antenna for wireless radio communications |
| C. | Acts as an electric pole for power transportation |
| D. | Destabilizes the wind turbine system |
| Answer» B. Acts as an antenna for wireless radio communications | |
| 840. |
Which of the following are the major parts of a wind turbine system? |
| A. | Tower, rotor, water storage tank, air compressor |
| B. | Tower, rotor and blades, air compressor, vacuum pump, electricity generator |
| C. | Electricity generator, nacelle, rotor and blades, power converter, building |
| D. | Tower, nacelle, rotor and blades, power converter, electricity generator |
| Answer» E. | |
| 841. |
Fatigue testing of rotor blades subject the blades to an oscillation in _______ direction. |
| A. | horizontal |
| B. | vertical |
| C. | flapwise |
| D. | diagonal |
| Answer» D. diagonal | |
| 842. |
Which of the following materials can be used to make a rotor blade of a wind turbine apart from glass fibre reinforced polyester (GRP)? |
| A. | Silicon, germanium |
| B. | Epoxy, carbon fibre |
| C. | Plastic |
| D. | Salt |
| Answer» C. Plastic | |
| 843. |
Which of the following materials are used to make a rotor blade of a wind turbine? |
| A. | Glass fibre reinforced polyester |
| B. | Salt |
| C. | Sugar |
| D. | Plastic |
| Answer» B. Salt | |
| 844. |
What is the main disadvantage of a horizontal axis wind turbine? |
| A. | Easy operation at near ground winds |
| B. | Does not self-start |
| C. | Difficult operation at near ground winds |
| D. | High starting torque |
| Answer» D. High starting torque | |
| 845. |
While machining, there are chances of thermal damage associated with EBM. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 846. |
Number of holes drilled per second depends on the holes diameter. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 847. |
In electron beam machining, the plane of _____ is on the surface of the workpiece. |
| A. | focusing |
| B. | finishing |
| C. | heating |
| D. | drilling |
| Answer» B. finishing | |
| 848. |
Who amongst the following helps in solving problems encountered in the implementation of quality circle? |
| A. | Steering committee |
| B. | Members |
| C. | Coordinator |
| D. | Facilitator |
| Answer» D. Facilitator | |
| 849. |
Who amongst the following prepares the budget for the functioning of quality circle? |
| A. | Steering committee |
| B. | Members |
| C. | Coordinator |
| D. | Facilitator |
| Answer» D. Facilitator | |
| 850. |
Who amongst the following plays the role of recognizing the contributions of the facilitator(s), leaders, and members? |
| A. | Steering committee |
| B. | Members |
| C. | Coordinator |
| D. | Facilitator |
| Answer» B. Members | |