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This section includes 2167 Mcqs, each offering curated multiple-choice questions to sharpen your Php knowledge and support exam preparation. Choose a topic below to get started.
651. |
What is the modulation index of an AM signal if the peak voltage goes from Emax to Emin? |
A. | \(\frac{E_{min}}{E_{max}}\) |
B. | \(\frac{E_{max}}{E_{min}}\) |
C. | \(\frac{E_{max} – E_{min}}{E_{max} + E_{min}}\) |
D. | \(\frac{E_{max} + E_{min}}{E_{max} – E_{min}}\) |
Answer» D. \(\frac{E_{max} + E_{min}}{E_{max} – E_{min}}\) | |
652. |
Technical level abstraction includes ______________ |
A. | User level requirement |
B. | Physical level requirement |
C. | Operational level requirement |
D. | All of the mentioned |
Answer» E. | |
653. |
Which of the following does data requirements allow for data? |
A. | Entering data |
B. | Leaving data |
C. | Storing data in product |
D. | All of the mentioned |
Answer» E. | |
654. |
Which of these does not belong to the qualities of operational requirements? |
A. | Memory usage |
B. | Portability |
C. | Reusability |
D. | Portability & Reusability |
Answer» E. | |
655. |
Which of these does not belong to the qualities of development requirements? |
A. | Performance |
B. | Response time |
C. | Maintainability |
D. | Performance & Response time |
Answer» E. | |
656. |
Which of these are true for non functional requirements? |
A. | A non-functional requirement is also called behavioral requirements |
B. | A non-functional requirement is a statement that a software product must have certain properties |
C. | It consists of Development and operational requirements |
D. | All of the mentioned |
Answer» E. | |
657. |
Which is true about functional requirements? |
A. | A functional requirement is also called behavioral requirement |
B. | A functional requirement includes development and operational requirements |
C. | A functional requirement is a statement of how a software product must map program inputs to program outputs |
D. | None of the mentioned |
Answer» D. None of the mentioned | |
658. |
Which of these are non-technical requirements? |
A. | Functional Requirements |
B. | Non-Functional Requirements |
C. | Developer’s Requirements |
D. | Data Requirements |
Answer» D. Data Requirements | |
659. |
SRS consists of? |
A. | Problem statement |
B. | Product design |
C. | Problem statement & Product design |
D. | None of the mentioned |
Answer» D. None of the mentioned | |
660. |
Which is true for SRS? |
A. | SRS is the main input of the software product design process |
B. | SRS is the main output to the engineering design process |
C. | SRS is also the main output of the requirements specification activity |
D. | All of the mentioned |
Answer» D. All of the mentioned | |
661. |
JBPM supports databases such as:- |
A. | Oracle |
B. | SQL Server |
C. | MySql |
D. | All of the mentioned |
Answer» E. | |
662. |
To use PostgreSQL, you need to add a the driver library to the classpath.a) Trueb) False Dependency for JBPM 4. |
A. | Trueb) False Dependency for JBPM 4.a) True |
B. | False Dependency for JBPM 4.a) Trueb) FalseView Answer |
Answer» B. False Dependency for JBPM 4.a) Trueb) FalseView Answer | |
663. |
A decision describes a node that is conditional, based on some logic that you inject. |
A. | True |
B. | False |
Answer» B. False | |
664. |
Each department may have its own task list to complete in order to achieve the goals of the overarching process. |
A. | State |
B. | Activity |
C. | Subprocess |
D. | Fork or concurrence or split |
Answer» D. Fork or concurrence or split | |
665. |
A concurrent execution of multiple threads of execution at the same time, originating from a common thread. |
A. | State |
B. | Activity |
C. | Sequence |
D. | Fork or concurrence or split |
Answer» E. | |
666. |
An aggregation of states, activities, and other types of constructs that serializes them. |
A. | State |
B. | Activity |
C. | Sequence |
D. | Subprocess |
Answer» D. Subprocess | |
667. |
This provides a set of diagramming notations that describe a business process. This notation is akin to UML activity diagram. |
A. | WS-BPEL (BPEL 2.0) |
B. | WS-BPEL (BPEL) |
C. | WS-BPEL for People (BPEL4People) |
D. | Business Process Modeling Notation (BPMN) |
E. | Business Process Modeling Notation (BPMN) |
Answer» E. Business Process Modeling Notation (BPMN) | |
668. |
A workflow system extricates that process state from the domain and into a separate layer, called a business process. |
A. | True |
B. | False |
Answer» B. False | |
669. |
If x (t) approaches near the origin as t tends to infinity then the system is : |
A. | Asymptotically stable |
B. | Asymptotically stable in the large |
C. | Stable |
D. | Unstable |
Answer» B. Asymptotically stable in the large | |
670. |
The system is stable at origin if for every initial state which is sufficiently close to the origin remains near the origin for all t then the system is : |
A. | Asymptotically stable |
B. | Asymptotically stable in the large |
C. | Stable |
D. | Unstable |
Answer» D. Unstable | |
671. |
The non-linear system |
A. | Have one equilibrium state |
B. | Their behavior determines the qualitative behavior of the s-plane |
C. | System behavior for small deviations about the equilibrium point may be different from the large deviation |
D. | Both a and b |
Answer» D. Both a and b | |
672. |
The systems with equation such as dx/dt =F (x) are called: |
A. | Stable systems |
B. | Control systems |
C. | Autonomous systems |
D. | Unstable control system |
Answer» D. Unstable control system | |
673. |
Because different prediction programs have different levels of sensitivity and specificity, it makes sense to combine results of multiple programs based on consensus. This idea has prompted development of consensus-based algorithms. |
A. | True |
B. | False |
Answer» B. False | |
674. |
TwinScan is also a similarity-based gene-finding Server and it is similar to GenomeScan in that it uses GenScan to predict all possible exons from the genomic sequence. |
A. | True |
B. | False |
Answer» B. False | |
675. |
Which of the following is untrue about SGP-1? |
A. | The program translates all potential exons in each sequence and does pair wise alignment for the translated protein sequences using a dynamic programming approach |
B. | The near-perfect matches at the protein level define coding regions |
C. | It is a similarity-based web program that aligns two genomic DNA sequences from distinctly related organisms |
D. | It stands for Syntenic Gene Prediction |
Answer» D. It stands for Syntenic Gene Prediction | |
676. |
Which of the following is untrue about EST2Genome?a) It is a web-based program purely based on the sequence alignment approach to define intron–exon boundariesb) It compares an EST (or cDN |
A. | It is a web-based program purely based on the sequence alignment approach to define intron–exon boundaries |
B. | It compares an EST (or cDNA) sequence with a genomic DNA sequence containing the corresponding gene |
C. | The alignment is rarely done using a dynamic programming–based algorithm |
D. | Advantage of the approach is the ability to find very small exons and alternatively spliced exons that are very difficult to predict by any ab initio–type algorithms |
Answer» D. Advantage of the approach is the ability to find very small exons and alternatively spliced exons that are very difficult to predict by any ab initio–type algorithms | |
677. |
Which of the following is untrue about FGENES? |
A. | It stands for FindGenes |
B. | It is a web-based program that uses LDA |
C. | It is used to determine whether a signal is an exon |
D. | It does not make a use of HMMs |
Answer» E. | |
678. |
If for a given fuselage Stop=10m2, Aside=14m2, L = 10m then, find the ratio of wetted area to the volume of fuselage. |
A. | 3.42 per m |
B. | 6.68 per m3 |
C. | 8.36 m |
D. | 4.001 |
Answer» B. 6.68 per m3 | |
679. |
My fuselage has length of 10.12m and volume of 8m3. Now if I want to design same fuselage but with volume of 16m3 then, what should be the length of fuselage? Given, all others parameters are held constant. |
A. | 5.06m |
B. | 1012cm |
C. | 1000mm |
D. | 6.025m |
Answer» B. 1012cm | |
680. |
If a fuselage has length of 12m and area when viewed from top and side are 4m2 and 8m2 respectively. Find the approximate value of volume. |
A. | 2.26m3 |
B. | 2.65m2 |
C. | 2.285 |
D. | 2.65 |
Answer» B. 2.65m2 | |
681. |
A fuselage is configure to have length L. What will be the approximated internal volume (V)? |
A. | V = 3.4*(Stop*Aside/4L) |
B. | V = 3.4/4L |
C. | V = 3.4*(Stop*Aside/4) |
D. | V = 0.4*(Stop*Aside/L) |
Answer» B. V = 3.4/4L | |
682. |
Find the approximated volume for body as shown in below. |
A. | 77m3 |
B. | 77m |
C. | 7.7m |
D. | 77 cm |
Answer» B. 77m | |
683. |
Fuselage has wetted area of 20m2. Given Aright = 5m2. Find the value of area viewed from top. |
A. | 6.8m2 |
B. | 9.8m2 |
C. | 6.8m |
D. | 68m |
Answer» B. 9.8m2 | |
684. |
Wetted area of a rectangular body is 64.64m2. Find the average projected area. |
A. | 16.16m2 |
B. | 15.85 m2 |
C. | 25.368 km |
D. | 45.45 cm |
Answer» B. 15.85 m2 | |
685. |
A fuselage is designed with circular C/S only. Average projected area is 28.2m2 then, find the wetted area of this fuselage. |
A. | 88.6m2 |
B. | 96 m |
C. | 540cm |
D. | 253m |
Answer» B. 96 m | |
686. |
For wetted area Aw, which of the following is correct? |
A. | Aw = 3.4*(Stop + Aside) / 2 |
B. | Aw = 3.4*(Stop + Aside) / 5 |
C. | Aw = 3.4*(Stop + Aside) / 4 |
D. | Aw = 3.4*(Stop + Asid |
E. | / 2b) Aw = 3.4*(Stop + Aside) / 5c) Aw = 3.4*(Stop + Aside) / 4d) Aw = 3.4*(Stop + Aside) / 3 |
Answer» B. Aw = 3.4*(Stop + Aside) / 5 | |
687. |
A wing has thickness of 15% of chord then, find the approximated wetted area. Given exposed area A is 10m2. |
A. | 20.55m2 |
B. | 26.55 |
C. | 36 |
D. | 56 |
Answer» B. 26.55 | |
688. |
If thickness ratio t/c is less or equal to the 0.05 then, the wetted area is ____ |
A. | Swet = 2.003*Sexposed |
B. | Swet = 2.003*4*Sexposed |
C. | Swet = 2/Sexposed |
D. | Swet = 2*Sexposed |
Answer» B. Swet = 2.003*4*Sexposed | |
689. |
Find the wetted area of given body. |
A. | 65m2 |
B. | 75 |
C. | 85m2 |
D. | 200 |
Answer» B. 75 | |
690. |
Wing has planform area of 2m2. If wing is paper thin then, find wetted area of the wing. |
A. | 4m2 |
B. | 10m2 |
C. | 5m2 |
D. | 20m2 |
Answer» B. 10m2 | |
691. |
Wetted area has effect on drag estimation. |
A. | True |
B. | False |
Answer» B. False | |
692. |
Total exposed area that would get wet if immersed in fluid is called ____________ |
A. | wetted area |
B. | volume |
C. | length |
D. | planform of wing |
Answer» B. volume | |
693. |
Which of the following is the necessary condition to avoid grating lobes in N-Isotropic element end-fire array? |
A. | d < λ/2 |
B. | d < λ |
C. | d > λ/2 |
D. | d=λ |
Answer» B. d < λ | |
694. |
Which of the following is the necessary condition to avoid grating lobes in N-Isotropic element broadside array? |
A. | d < λ |
B. | d > λ |
C. | d=λ |
D. | d < 2λ |
Answer» B. d > λ | |
695. |
Which of the following is the necessary condition to avoid grating lobes in N-Isotropic element array? |
A. | \(\frac{d}{λ}≤\frac{1}{1+|cosθ_m |} \) |
B. | \(\frac{d}{λ}≥\frac{1}{1+|cosθ_m |} \) |
C. | \(\frac{λ}{d}≤\frac{1}{1+|cosθ_m |} \) |
D. | \(\frac{λ}{d}=\frac{1}{1+|cosθ_m |} \) |
Answer» B. \(\frac{d}{λ}≥\frac{1}{1+|cosθ_m |} \) | |
696. |
The Half-power beam width of the N-element isotropic source array can be known when _____ |
A. | \(ᴪ=\frac{2.782}{N}\) |
B. | \(ᴪ=\frac{1.391}{N}\) |
C. | \(ᴪ=\frac{1.414}{N}\) |
D. | \(ᴪ=\frac{3}{N}\) |
Answer» B. \(ᴪ=\frac{1.391}{N}\) | |
697. |
The necessary condition for the direction of maximum second side lobe level of the 4-element isotropic array is _______ |
A. | \(\frac{5}{4} π\) |
B. | \(\frac{3}{4} π\) |
C. | \(\frac{1}{8} π\) |
D. | \(\frac{5}{8} π\) |
Answer» B. \(\frac{3}{4} π\) | |
698. |
The necessary condition for the direction of maximum first side lobe level of the 8-element isotropic array is _______ |
A. | \(\frac{3}{8} π\) |
B. | \(\frac{3}{4} π\) |
C. | \(\frac{1}{8} π\) |
D. | \(\frac{5}{8} π\) |
Answer» B. \(\frac{3}{4} π\) | |
699. |
The necessary condition for the direction of maximum side lobe level of the N-element isotropic array is _______ |
A. | \(ᴪ=±\frac{2s+1}{N} π \) |
B. | \(ᴪ=±\frac{2s+2}{N} π\) |
C. | \(ᴪ=±\frac{2s}{N} π\) |
D. | \(ᴪ=±\frac{2(s+1)}{N} π\) |
Answer» B. \(ᴪ=±\frac{2s+2}{N} π\) | |
700. |
The direction of nulls for end-fire array of N –Isotropic sources separated by λ/4 is given by ____ |
A. | \(θ_n=cos^{-1}([∓1±\frac{4n}{N}])\) |
B. | \(θ_n=sin^{-1}([∓1±\frac{4n}{N}])\) |
C. | \(θ_n=cos^{-1}([∓1±\frac{2n}{N}])\) |
D. | \(θ_n=cos^{-1}([∓1±\frac{n}{N}])\) |
Answer» B. \(θ_n=sin^{-1}([∓1±\frac{4n}{N}])\) | |