Q: Consider the following statements regarding the projection of a point:
1. The line joining the top view and the front view of a point is always perpendicular to xy. It is called a reference line.
2. When a point is above the H.P., its front view is above xy; when it is below the H.P., the front view is below xy.
3. When a point is in front of the V.P., its top view is below xy; when it is behind the V.P., the top view is above xy.
4. As the point is below the H.P. and behind the V.P., its front view will be above xy and the top view is below xy.
Which of the above statements are correct?
Q: Consider the following statements regarding the traces of a line:
1. When a line is parallel to the HP and the VP, it has no trace.
2. When a line is inclined to HP and parallel to VP, it has only the VT but no HT.
3. A line PQ is perpendicular to the HP. Its HT coincides with its top view which is a point. It has no VT.
4. A line RS is perpendicular to the VP. Its VT coincides with its front view which is a point. It has no HT.
Which of the above statements are correct?
Q: Consider the following statements regarding the projections of planes:
1. When a plane is perpendicular to both the reference planes, its traces lie on a straight line perpendicular to xy.
2. When a plane is perpendicular to a reference plane, its projection on that plane is a straight line.
3. When a plane is parallel to a reference plane, its projection on that plane shows its reduced shape and size.
4. When a plane is parallel to the VP, beginning should be made with the front view and the top view projected from it.
Which of the following statements are correct?
Q: Consider the following statements regarding the projections of solids:
1. When the axis of a solid is perpendicular to a plane, its base will be parallel to that plane.
2. The projection of a solid on the plane to which its axis is perpendicular will show the true shape and size of its base.
3. When the axis is perpendicular to the HP, the top view should be drawn first and the front view projected from it.
4. A solid in simple position has its axis parallel to one reference plane and perpendicular to other.
Which of the following statements are correct?
Q: Match the following lists:
List I (Name of the curve)
P. Hyperbola
Q. Ellipse
R. Parabola
List II (Eccentricity)
1. e > 1
2. e = 1
3. e < 1
Select the correct answer using the code given below:
Q: Which one of the following is used to show whether or not a characteristic or a property of the item complies with the stated specification under maintenance actions?
Q: Consider the following statements regarding maintenance of machineries:
1. Corrective maintenance actions are maintenance activities that are carried out after a failure has occurred.
2. Corrective maintenance must be initiated immediately to restore critical systems to their functional state or can be deferred to a more convenient timing if the failure is not critical and does not need immediate action.
3. Preventive maintenance must be initiated immediately to restore critical systems to their functional state or can be deferred to a more convenient timing if the failure is not critical and does not need immediate action.
Which of the above statements is/are correct?
Q: Consider the following statements regarding project:
1. Temporary project has a beginning and an end.
2. Project has predefined work assignments.
3. Project produces a unique output or deliverable.
Which of the above statements are correct?
Q: PERT calls for the following estimates to be provided for each activity:
1. Pessimistic
2. Optimistic
3. Most Likely
Which of the above estimates are correct?
Q: Consider the following statements regarding Face Centered Cubic Crystal Structure:
1. There are eight corner atoms, six face atoms and no interior atoms, then the number of atoms per unit are 6.
2. Coordination Number is 12.
3. Atomic packing factor is 0·74.
4. Volume of unit cell is V = 16R^3√2, where R is atomic radius.
Which of the above statements are correct?
Q: Consider the following statements regarding quantum dots:
1. A photon’s polarization can be vertical or horizontal, or a superposition of both, and we can use this as a qubit.
2. Neutral atoms can be trapped at low temperatures using a magneto optical trap, which uses magnetic fields and lasers to cool and trap the atoms.
3. An electron can be bound to a small semiconductor device, similar to an electron bound to the nucleus of an atom. In these "artificial atoms", the spin of an electron, which can be "spin up" or "spin down", can be used as a qubit.
Which of the above statements is/are correct?
Q: Five routers are to be connected in a point-to-point subnet. Between each pair of routers, the designers may put a high-speed line, a medium-speed line, a low-speed line, or no line. If it takes 100 ms of computer time to generate and inspect each topology, how long will it take to inspect all of them?
Q: A group of N stations share a 56-kbps pure ALOHA channel. Each station outputs a 1000-bit frame on average once every 100 sec, even if the previous one has not yet been sent (e.g., the stations can buffer outgoing frames). What is the maximum value of N?
Q: Which one of the following protocols is suitable for IoT communication that though it was originally designed to support IEEE 802.15.4 low-power wireless networks in the 2.4-GHz band?
(a)Routing Protocol for Low power and Lossy networks (RPL)
Q: Which one of the following statements is related to key feature of ThreatRadar reputation to prevent DDoS attacks on cloud infrastructure?
(a)ThreatRadar reputation service keeps track of users who are attacking other websites. By using this information, it will filter off any request from those users and prevent them from getting into the cloud system
(b)ThreatRadar reputation service helps to monitor and keep track of both user agents and DDoS attacks vectors
(c)ThreatRadar reputation service helps to detect users who have the pattern of generating and sending HTTP requests with long response times
(d)ThreatRadar reputation service has the capability to send a JavaScript challenge to users’ browsers. The JavaScript challenge has the capacity to detect and block bots
Q: Which one of the following algorithms is used in logic programming systems, which employ sophisticated compiler technology to provide very fast inference?
Q: Which one of the following is a disadvantage of call-by-reference technique of passing arguments?
(a)Since arguments are not copied into the new variables, it provides greater time and space efficiency
(b)The function can change the value of the argument and the change is reflected in the calling function
(c)A function can return only one value. In case we need to return multiple values, we can pass those arguments by reference, so that the modified values are visible in the calling function
(d)If inadvertent changes are caused to variables in called function then these changes would be reflected in calling function as original values would have been overwritten
Q: Which one of the following digital certificate standards is used for certificate-based authentication security framework that can be used for providing secure transaction processing and private information?
Q: Which one of the following IEEE standard protocols prescribes a data link-level security which is designed to make the security of a wireless LAN as well as that of a wired LAN?
Q: Consider the following statements regarding ethics:
1. Ethics is to provide us with moral principles or universal rules that tell us what to do.
2. The fundamental question of ethics is not "What should I do?" but "What kind of person should I be?"
Which of the above statements is/are correct?
Q: Consider the following statements regarding Risk-Benefit Analysis:
The major reason for the analysis of the risk benefit are
1. to know risks and benefits and weigh them each.
2. to decide on designs, advisability of product/project.
3. to suggest and modify the design so that the risks are eliminated or reduced.
Which of the above statements are correct?
Q: Consider the following regarding intellectual property rights:
The agreements with World Trade Organization (WTO) and Trade-Related aspects of Intellectual Property System (TRIPS) establish norms and conditions for following instruments of intellectual properties:
1. Patents
2. Copyright
3. Trademark
4. Trade secret
Which of the above instruments of intellectual properties are correct?
Q: Consider the following statements regarding value education:
1. Value education is that part of education which deals with understanding one's participation in the larger order, and thus ensuring it in living.
2. The content of value education must be all encompassing, i.e., it must include all dimensions of a human being as well as all levels of human living.
3. The process of value education is essentially a process of self-exploration (self-reflection and self-discovery). Self-exploration does not include self-verification at the level of natural acceptance and experiential validation in living.
Which of the above statements are correct?
Q: Consider the following methods regarding quality improvements in TQM:
1. Robust design
2. Taguchi loss function
Which of the above methods is/are correct?
Q: Consider the following statements regarding variations in quality control tools:
1. Common/Random/Chance variations are difficult to trace and difficult to control even under the best condition of operation.
2. Assignable variations are of higher magnitude which can be easily traced and detected.
Which of the above statements is/are correct?
Q: Consider the following statements regarding reverence:
1. Reverence is the feeling of acceptance for excellence.
2. If someone has achieved the state of excellence, we naturally have an acceptance for such a person. This feeling of acceptance for excellence is called reverence.
Which of the above statements is/are correct?
Q: Consider the following statements regarding fulfilment of relationship in human values: Fulfilment of relationship means 1. ensuring the naturally acceptable feeling in oneself and sharing it with the other. 2. living with responsibility with the other unconditionally. 3. making effort for mutual development, i.e. development of one's own competence and being of help to the other in developing their competence. Which of the above statements are correct?
Q: Consider the following characteristics regarding Harmony in the society-understanding universal human order: 1. Behaviour with Human Being 2. Continuous Happiness and Prosperity 3. Work with Rest of Nature Which of the above statements are correct?
Q: Which one of the following inquiries seeks to identify and justify the morally-desirable norms or standards that should guide individuals and group?
Q: Consider the following statements regarding cancellation laws: Let A, B, C be n × n matrices, then 1. if rank A = n and AB = AC, then B = C. 2. if rank A = n, then AB = 0 implies B = 0. Hence if AB = 0, but A ≠ 0 as well as B ≠ 0, then rank A < n and rank B < n. Which of the above statements is/are correct?
Q: Match the following lists: List I: P. sin²θ cotθ secθ Q. (tanθ + secθ) / (secθ(1 + tanθ/secθ)) R. (1 + cotθ)/(1 + tanθ) S. (1 − sinθ)/(1 + sinθ) List II: 1. cotθ 2. secθ − tanθ 3. sinθ 4. 1 Select the correct answer using the code given below:
Q: Which one of the following statements is correct in the context of quadratic forms V = xᵀAx, where x = [x₁, x₂ … xₙ]ᵀ?
(a)V < 0 for all vectors x except x = 0, if and only if all the eigenvalues of A are positive
(b)V ≤ 0 for all vectors x and V = 0 for at least one vector x ≠ 0, if and only if all the eigenvalues of A are non-negative and at least one of the eigenvalues is zero
(c)V is negative-definite if −V is positive-definite, with a corresponding condition on the eigenvalues of A
(d)V is negative-semi-definite if −V is positive-semi-definite, with a corresponding condition on the eigenvalues of −A
Q: What is the expectation of the number of failures preceding the first success in an infinite series of independent trials with constant probability p of success in each trial?
Q: A deck of n numbered cards is thoroughly shuffled and the cards are inserted into n numbered cells one by one. If the card number i falls in the cell i, we count it as a match; otherwise not. What is the variance of total number of such matches?
Q: Let X₁ and X₂ be two independent random variables having variances k and 4 respectively. If the variance of Y = 3X₂ − X₁ is 49, then what is the value of k?
Q: An unbiased coin is thrown n times. It is desired that the relative frequency of the appearance of heads should lie between 0.49 and 0.51. What is the smallest approximate value of n that will ensure this result with 90% confidence (z = 1.645)?
Q: Consider a square of side 6 cm; a circle is inscribed inside the square. Another circle circumscribes the square. The ratio of the areas of the inscribed circle to the circumscribed circle is
Q: Nandini walks a distance of 1 km towards North. She then turns left and walks 1 km. Finally she turns right at an angle of 45° and starts walking. In which direction is she moving finally?
Q: Read the following information and answer the question that follows:
1. Six scientists A, B, C, D, E and F of the disciplines Chemistry, Botany, Zoology, Physics, Mathematics and Geology, but not necessarily in this order, want to demonstrate an integrated experiment based on an inter-disciplinary approach.
2. Each day only one scientist will perform the part of his discipline.
3. The experiment will start on Monday and end on Sunday. One day will be the rest day, which otherwise is a part of the experiment.
4. Chemistry will be on the very next day of Geology.
5. A, who is a Mathematician, can perform either on the second day or the last day but should not be immediately preceded by Botany.
6. C will demonstrate on the third day and Physics will be on the fifth day.
7. E, who is a Zoologist, performs on the second day.
8. B performs on Monday and the day after F’s performance will be the rest day.
Which one of the following is the correct sequence of scientists performing?
Q: The following question is based on the alphabet series:
ABCDEFGHIJKLMNOPQRSTUVWXYZ
If every alternate letter starting from B of the given alphabet is written in small letters, the rest all are written in capital letters, how will the month of ‘September’ be written?
Q: The question below has some statement / argument / report / passage, followed by a few alternative answer choices marked A, B, C and D, of which only one would be the best possible answer. Read the passage / statement / argument carefully and choose the best possible answer from the alternatives given.
In an examination system of an institution, 100 students have been graded (from A – D in descending order) on the basis of the marks they received in the three terminal examinations, in which the pass-marks were 50%. Examiners are instructed to follow the following criteria :
1. All students who scored between 90% and 100% in any two examinations could receive an A.
2. Students who came in the top overall were to be awarded an A.
3. Notwithstanding 1 and 2, if any student failed a paper, the highest he or she could get was a B.
4. The top 20 students in the whole year, when the overall examination percentages were averaged, could receive an A.
On the basis of the above criteria, which of the following would definitely not be permissible?
(a)Bikash, who got 95% in Chemistry and 92% in Biology, received a B
(b)Suprna, who stood first in Physics and got 96% in Mathematics, received a B
(c)Amitava failed in English, but because he ranked 9th overall out of 100 students was awarded an A grade
(d)Bandana was given an A because she came 20th though she had failed to get above 90% in any of the three examinations
Q: A statement is given followed by three courses of action numbered 1, 2 and 3. Analyze the statement and decide which of the three courses of action logically follows and answer according to the alternative answers given along with the question.
Statement: The army has been alerted in the district following floods triggered by incessant rains.
Courses of action:
1. Relief to flood affected people should be arranged.
2. Supply of food articles should be arranged.
3. Adequate medical facilities should be arranged.
Q: Ramesh starts walking from point 'A'. He walks 12 km towards North, from there he turns right and walks 4 km, then he again turns right and walks 9 km. How far and in which direction is he from his starting point?
Q: The question below you will find, instead of two pairs of words with more or less similar relationships between the first two words and the last two words, only first and fourth words are given and the second and the third words are replaced by numbers 1 and 2, for each of which four alternatives marked E, F, G, H and P, Q, R, S, respectively, are given. Study the alternatives carefully and choose the best answer.
Onomatology : 1 :: 2 : Language
1. (E) Names (F) Races (G) Reality (H) Insects
2. (P) Occultism (Q) Semantics (R) Concology (S) Ontology