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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.
451. |
If an aircraft has lift curve slope of 4.76 per rad and moment coefficient curve slope of -0.116 per rad then, find the location of neutral point. Consider Xcg=0.3. |
A. | 0.324 |
B. | 0.9825 |
C. | 23.45 |
D. | 45.7 |
Answer» B. 0.9825 | |
452. |
Following diagram represents __________ |
A. | cg position influence on moment coefficient curve |
B. | lift curve |
C. | drag polar |
D. | thrust required minimum |
Answer» B. lift curve | |
453. |
An aircraft wing is experiencing AOA of 5°. If downwash due to wing is 2.6° then, how much angle is being seen by tail of the aircraft? |
A. | 2.4° |
B. | 4.5° |
C. | 6.7° |
D. | 1.23° |
Answer» B. 4.5° | |
454. |
Which of the following code represents count with mean of 2? |
A. | rpois(10, 2) |
B. | rpois(10, 20) |
C. | rpois(20, 2) |
D. | rpois(20, 20) |
Answer» B. rpois(10, 20) | |
455. |
__________ distribution is commonly used to model data that come in the form of counts. |
A. | Gaussian |
B. | Parametric |
C. | Poisson |
D. | Simulation |
Answer» D. Simulation | |
456. |
Point out the wrong statement? |
A. | Drawing samples from specific probability distributions can be done with “s” functions |
B. | The sample() function draws randomly from a specified set of (scalar) objects allowing you to sample from arbitrary distributions of numbers |
C. | The sampling() function draws randomly from a specified set of objects |
D. | You should always set the random number seed when conducting a simulation |
Answer» C. The sampling() function draws randomly from a specified set of objects | |
457. |
5 Normal random numbers can be generated with rnorm() by setting seed value to ______________ |
A. | 1 |
B. | 2 |
C. | 3 |
D. | 4 |
Answer» B. 2 | |
458. |
Point out the correct statement? |
A. | When simulating any random numbers it is not essential to set the random number seed |
B. | It is not possible to generate random numbers from other probability distributions like the Poisson |
C. | You should always set the random number seed when conducting a simulation |
D. | Statistical procedure does not require random number generation |
Answer» D. Statistical procedure does not require random number generation | |
459. |
_________ ensures reproducibility of the sequence of random numbers. |
A. | sets.seed() |
B. | set.seed() |
C. | set.seedvalue() |
D. | set.value() |
Answer» C. set.seedvalue() | |
460. |
Soya sauce can be produced by using ____________ |
A. | glucoamylases |
B. | proteases |
C. | alcalase |
D. | lactases |
Answer» C. alcalase | |
461. |
Which of the following is not an application of enzyme in food industry? |
A. | Cheese production |
B. | Shrinkproof wool |
C. | Production of soya sauce |
D. | Tenderizing meat |
Answer» C. Production of soya sauce | |
462. |
When protease depolymerize protein, the extent of hydrolysis is described in ________ units. |
A. | Vmax |
B. | Km |
C. | DH |
D. | Kcat |
Answer» D. Kcat | |
463. |
Which protease is being used to ‘shrink-proof’ wool’? |
A. | Pancreatic enzyme |
B. | Rennet |
C. | Fungal protease |
D. | Papain |
Answer» E. | |
464. |
Pancreatic enzyme are used in _______ |
A. | softening of leather |
B. | cheese production |
C. | baking biscuits and pastries |
D. | tenderizing meat |
Answer» B. cheese production | |
465. |
In leather industry, _____________ is used to remove hair from hides. |
A. | rennet |
B. | trypsin |
C. | alkaline protease |
D. | papain |
Answer» D. papain | |
466. |
‘Hanging’ meat allows flavor to develop. |
A. | True |
B. | False |
Answer» C. | |
467. |
Which of the following enzyme hydrolysis casein? |
A. | Papain |
B. | Rennet |
C. | Alkaline protease |
D. | Trypsin |
Answer» C. Alkaline protease | |
468. |
Use of proteases in baking industry. |
A. | True |
B. | False |
Answer» B. False | |
469. |
Which of the following enzyme is used to tenderize meat? |
A. | Alkaline protease |
B. | Pancreatic enzymes |
C. | Papain |
D. | Rennet |
Answer» D. Rennet | |
470. |
____________ is the enzyme used in the production of cheese. |
A. | Alkaline protease |
B. | Papain |
C. | Pancreatic enzymes |
D. | Rennet |
Answer» E. | |
471. |
Cyanobacteria does not use which of the following for both oxidative and photophosphorylation? |
A. | Cytochrome c6 |
B. | Cytochrome b6f |
C. | Plastoquinone |
D. | Plastocyanin |
Answer» E. | |
472. |
A water-soluble protein that carries one electron present in the chloroplast is ____________ |
A. | PQB |
B. | Q |
C. | Cytochrome c |
D. | Plastocyanin |
Answer» E. | |
473. |
A water-soluble protein that carries one electron present in mitochondria is ____________ |
A. | PQB |
B. | Q |
C. | Cytochrome c |
D. | Plastocyanin |
Answer» D. Plastocyanin | |
474. |
A mobile, lipid soluble carrier of two electrons present in mitochondria is ____________ |
A. | PQB |
B. | Q |
C. | Cytochrome c |
D. | Plastocyanin |
Answer» C. Cytochrome c | |
475. |
A mobile, lipid soluble carrier of two electrons present in chloroplasts is ____________ |
A. | PQB |
B. | Q |
C. | Cytochrome c |
D. | Plastocyanin |
Answer» B. Q | |
476. |
Plastoquinol formed in PSII is oxidized by ____________ |
A. | Cytochrome b6f |
B. | Cytochrome c |
C. | Cytochrome f |
D. | Cytochrome h |
Answer» B. Cytochrome c | |
477. |
Which of the following describes the complete route by which electrons flow H2O to NADP+? |
A. | Z scheme |
B. | A scheme |
C. | B scheme |
D. | X scheme |
Answer» B. A scheme | |
478. |
Photosystem II is a ____________ |
A. | Pheophytin-quinone type |
B. | Ferredoxin type |
C. | Plastocyanin type |
D. | Plastocyanin-ferredoxin type |
Answer» B. Ferredoxin type | |
479. |
A soluble Cu-containing electron transfer protein is ____________ |
A. | Pheophytin |
B. | Cytochrome c |
C. | Plastocyanin |
D. | Ferredoxin |
Answer» D. Ferredoxin | |
480. |
A chlorophyll-like accessory pigment lacking Mg+2 is ____________ |
A. | Pheophytin |
B. | Cytochrome c |
C. | Plastocyanin |
D. | Ferredoxin |
Answer» B. Cytochrome c | |
481. |
Which among the following condition is represented in the following diagram? |
A. | Transmitter uncertainty |
B. | Shadowing uncertainty |
C. | Receiver uncertainty |
D. | Access point uncertainty |
Answer» C. Receiver uncertainty | |
482. |
Spectrum decisions are affected by the co-location of data transmission and sensing function. |
A. | True |
B. | False |
Answer» B. False | |
483. |
Which among the following is not a disadvantage of the interference detection method? |
A. | Requirement of modulation of unlicensed signal |
B. | Requirement of the activity level of licensed and unlicensed users |
C. | Management of interference at the receiver |
D. | Disregard for the effect of multiple xG users |
Answer» D. Disregard for the effect of multiple xG users | |
484. |
What is an interference temperature model? |
A. | Interference temperature model is constructed by using the cumulative RF energy from multiple transmissions |
B. | Interference temperature model is constructed by using the RF energy from a single transmission |
C. | Interference temperature model is constructed by using the sampling RF energy from periodic transmissions |
D. | Interference temperature model is constructed by using the sampling IF energy from periodic transmissions |
Answer» B. Interference temperature model is constructed by using the RF energy from a single transmission | |
485. |
Which among the following is not a disadvantage of cooperation detection? |
A. | Overhead traffic |
B. | Receiver uncertainty |
C. | Shadowing uncertainty |
D. | Additional storage |
Answer» D. Additional storage | |
486. |
Which among the following is an interference of interest in xG architecture? |
A. | Expected interference at primary user |
B. | Expected interference at xG user |
C. | Expected interference at channel |
D. | Expected interference at spectrum broker |
Answer» B. Expected interference at xG user | |
487. |
What is the terminology used when xG base-station is involved in gathering sensing information? |
A. | Cumulative |
B. | Centralized |
C. | Distributed |
D. | Aggregated |
Answer» C. Distributed | |
488. |
Which among the following are problems of transmitter detection? |
A. | Secondary user uncertainty and xG base station uncertainty |
B. | xG base station uncertainty and primary base station uncertainty |
C. | Receiver uncertainty and shadowing uncertainty |
D. | Transmitter uncertainty and receiver uncertainty |
Answer» E. | |
489. |
Which among the following is a factor of concern for in-band sensing? |
A. | Identification of stop period for the search process |
B. | Identification of the start period for the search process |
C. | Selection of spectrum for evaluation |
D. | Selection of duration for transmission |
Answer» E. | |
490. |
What is the purpose of out-of-band sensing? |
A. | Fast switching |
B. | Fast routing |
C. | Fast discovery |
D. | Fast handoff |
Answer» D. Fast handoff | |
491. |
Which among the following is not an advantage of using cyclostationary feature detection? |
A. | Better performance than energy detection |
B. | Does not require prior knowledge of the signal transmitted by the primary user |
C. | Robust noise performance |
D. | Rapid attainment of high processing gain |
Answer» E. | |
492. |
Which among the following is achieved by coupling a modulated signal with a sine wave carrier? |
A. | Causality |
B. | Periodicity |
C. | Linearity |
D. | Stability |
Answer» C. Linearity | |
493. |
The ___________ are open at top and their bottoms are provided with openable doors. |
A. | Tremie |
B. | Hopper |
C. | Buckets |
D. | Bevel |
Answer» D. Bevel | |
494. |
In cold weather conditions, the temperature of concrete should not be allowed to fall below ___________ for at least 3 days after its placing. |
A. | 5° C |
B. | 25°C |
C. | 15°C |
D. | 50°C |
Answer» D. 50°C | |
495. |
While placing concrete in hot weather, the aggregate should be _____________ to bring down the temperature of concrete. |
A. | Burnt |
B. | Pre cooled |
C. | Heated |
D. | Washed |
Answer» C. Heated | |
496. |
It is observed that in cold weather, the curing is _________ in the initial stages of the setting of concrete. |
A. | Moderate |
B. | Slow |
C. | High |
D. | Fast |
Answer» C. High | |
497. |
The _________ is a mixture of cement and sand, the usual proposition being 1:3. |
A. | Grout |
B. | Mortar |
C. | Slurry |
D. | Gunite |
Answer» E. | |
498. |
The ____________ is the most effective process of repairing concrete work which has been damaged due to enquiry work or other reasons. |
A. | Grouting |
B. | Guniting |
C. | Vibrating |
D. | Pouring |
Answer» C. Vibrating | |
499. |
__________ method is not in common use in case of placing concrete underwater. |
A. | Tremie |
B. | Grouting |
C. | Guniting |
D. | Spreading |
Answer» B. Grouting | |
500. |
A _____________ is provided at the top of the Tremie to receive the concrete. |
A. | Bucket |
B. | Hopper |
C. | Tremie |
D. | Pipe |
Answer» C. Tremie | |