| Post Name | PROVISIONAL ANSWER KEY - ENGINEERING APTITUDE TEST |
|---|---|
| Date of Test | 9 March 2019 |
| Medium of Question | ENGLISH |
| Exam Type | Online Examination |
| Total Questions | 100 |
1
The newly launched Vande Bharat Express (Train 18) runs from Delhi to which destination station
Answer
A. Varanasi
2
Carlos Ghosn was the former CEO of which company
Answer
A. Nissan
3
Chief Minister Pawan Kumar Chamling received the UN Food and Agriculture Organisation's (FAO) Future Policy Gold Award recently as his ruling state becoming the first-ever organic state in the world. In which state is Chamling the Chief Minister
Answer
B. Sikkim
4
Which country is home to nearly 50% of the world's cobalt-the metal that lies at the heart of the rechargeable batteries powering the next generation of cars, homes and even aircraft?
Answer
A. Congo
5
Gita Gopinath was recently appointed as the Chief Economist of which organization?
Answer
B. IMF
6
The 2018 Nobel Prize for Literature was awarded to
Answer
D. None of the above
7
Who is the Chief Election Commissioner of India, who will be playing a major role for the smooth conduct of the forthcoming Lok Sabha elections?
Answer
A. Sunil Arora
8
George Fernandes, who was the industry minister in the post-Emergency Morarji Desai government, wanted Coca-Cola Company to not just transfer 60 percent of the shares of its Indian firm but also the formula for its concentrate to Indian shareholders. The company said it was agreeable to transferring a majority of the shares but not the formula, which it contended was a trade secret. The company exited the Indian market as the government denied a licence to import Coke concentrate. Subsequently, a substitute indigenous drink was introduced. What was it called?
Answer
B. 77 cola
9
Cyril Ramaphosa, who was the Chief Guest at this year's Republic Day parade is the President of which country
Answer
D. South Africa
10
Banyan, Lexington, Bello and Schumpeter are columns in which well-established magazine devoted to current affairs
Answer
B. The Economist
11
This is a model foundation where we all live in brotherhood without the dividing wall of caste, religion etc. ''In which place the Malayalam equivalent of these words were inscribed in a temple during Kerala renaissance?
Answer
D. Aruvippuram
12
Who was the leader of Savarna Jatha organised to support Vaikom Sathyagraha?
Answer
D. Mannathu Padmanabhan
13
The newspaper founded by Vakkom Maulavi
Answer
A. Swadesabhimani
14
Author of Jathikkummi, an influential literary work of Kerala renaissance
Answer
B. Pandit Karuppan
15
The organisation founded by Poikayil Sree Kumara Gurudevan
Answer
C. PRDS
16
Leader of Kallumala movement of Perinad, who was also a member of SreeMoolam Assembly
Answer
B. Ayyankali
17
The renaissance poem in which the central characters are Chathan and Savitri
Answer
D. Duravastha
18
The Philosophical work of Chattambi Swamy
Answer
A. Nijanandavilasom
19
The first renaissance organisation of Kerala is said to be formed along the lines of advice given by Swamy Vivekanandan. To whom he gave the advice?
Answer
B. Dr. Palpu
20
The work from which the well known dictum ''One Caste, One Religion and One God for Man'' is extracted
Answer
D. Jati Nirnayam
21
Choose the punctuation mark that is missing in the line below this ''What a man!'' exclaimed Birbal. What an emperor!''
Answer
C. ‘‘
22
Choose the punctuation mark that is missing in the line below this Mohan was so angry he walked out five minutes later he came back
Answer
A. ;
23
Fill in the blank with the correct word. Why ________ the media carefully avoid certain topics?
Answer
D. do
24
Fill in the blank with the correct word. _________Ashok, there were ten others involved in the incident.
Answer
D. Besides
25
Fill in the blanks with the correct words. ''It has been said that man is a rational animal. All my life I ________ searching for evidence which could support this''
Answer
C. have been
26
Fill in the blanks with the correct word. More than 10 students left __________ hall tickets behind.
Answer
B. their
27
Fill in the blanks with the correct word. Strip mining, the _________ method of mining, jeopardizes the environment more than all other methods.
Answer
A. cheapest
28
The following sentence has two blanks. Fill it with the correct combination from the pairs given below. The painter was vain and prone to violence; the more his _________ as an artist increased, the more __________ his life became.
Answer
A. eminence and tumultuous
29
Choose the most appropriate answer to fill in the blank in the sentence given below. Although it contains some pioneering ideas, one cannot describe it as __________.
Answer
D. All of the above
30
Fill in the blanks with the appropriate word. The British were so terrified of damage to their prestige, this magic ingredient of their success, that they prevented the Indian army from fighting white armies - not because the Indian army might lose but because it might win, and in that way, undermine the racial _________.
Answer
B. hierarchy
31
Which energy accounts for largest share in the renewable energy basket of India?
Answer
C. Hydel
32
Which type of turbine is commonly used in tidal energy?
Answer
B. Kaplan turbine
33
The first mini hydel power plant in India was set up in 1897 at
Answer
D. Darjeeling
34
Which device is used to measure solar irradiance on a planar surface?
Answer
A. Pyranometer
35
What does OTEC stand for?
Answer
B. Ocean Thermal Energy Conversion
36
Which of the following is a disadvantage of most of the renewable energy sources?
Answer
C. Unrealiable supply
37
Photovoltaic energy is the conversion of sunlight into
Answer
A. Chemical energy
38
What is meaning of a Carbon Positive Area?
Answer
D. Area with more renewable energy generation than needed to sustain the area
39
For the first time, solar panels have been installed on which Indian warship?
Answer
D. INS Sarvekshak
40
What can be produced from non edible oil seeds such as karanja, rubber seed, castor?
Answer
D. Biodiesel
41
There are 10 boys and 10 girls studying in a music school. A survey was conducted among those 20 children. Each of the 10 boys was asked how many girls in the school has the shared stage with. The average of the 10 answers turned out to be 4.5. Each of the 10 girls was asked how many boys in the school she shared stage with. The average of the 10 answers turned out to be 4.1. What can you infer from this survey?
Answer
D. The survey should not be trusted
42
Ajayan bought a pen from Babu for seven rupees and then sold it to Chandran for 8 rupees. Ajayan bought back the same pen from Chandran by paying 9 rupees and sold it to David for 10 rupees. What is the total profit that Ajayan made?
Answer
C. 2 rupees
43
Why are solar panels installed at an angle (rather than flat)?
Answer
A. To maximise the total solar energy collected over an year
44
You are in a dark room near a pile with 2 white socks, 4 blue socks, 6 red socks, and 9 black socks. What is the minimum number of socks that you should take from the pile and bring out of the room if you want to ensure that there are at least two socks of the same colour.
Answer
B. 5
45
A notice board in front of office a famous logician has the following two sentences written one per line The nest sentence is false The previous sentence is false What can you conclude?
Answer
C. Exactly one of the sentences is true
46
If the sum of two eigenvalues and trace of a 3 × 3 matrix A are equal, then the value of |A| is
Answer
B. 0
47
Moore's law is the observation that the number of transistors in an integrated circuit (IC) doubles about every two years. Currently, the largest transistor count in a commercially available single-chip processor is around 20 billion. Assuming Moore's law will hold, what is the largest transistor count that you expect to see one year from now?
Answer
B. Around 28 billion
48
In a school with 100 students, 60 have studied French, 60 have studied German, and 60 have studied Spanish. What is the minimum number of students who will studied all the three above languages?
Answer
A. 0
49
An engineering college has an average first year pass-rate of 76.8 percent in 2018 (no rounding). You can conclude that the number of students from this college who wrote the first yer exam in 2018 is at least
Answer
B. 125
50
The person who set the question paper for this exam claimed that anyone who answers this question correctly will score at least 80% in this exam. After the exam was taken by 1000 students, it was noticed that 600 students answered this question correctly and 900 students scored more than 80% in the whole exam. What is the quickest way to check whether the question-setter's claim is true?
Answer
A. Check the answer to this question of all the 100 students whose total score is 80% or lower
51
The eigenvalues of the matrix A = [[1, 0], [3, −1]] are:
Answer
D. 1 and −1
52
Find ∫(ax + b/x²) dx.
Answer
B. ax²/2 − b/x
53
∫ tan x dx =
Answer
B. log sec x
54
If x = r cos θ, y = r sin θ, find ∂(x, y)/∂(r, θ).
Answer
C. r
55
sin x =
Answer
D. (eⁱˣ − e⁻ⁱˣ)/2
56
Which one of the following is the closest approximation for the sum S? S = 1/3 + 1/4 + 1/5 + … + 1/100. (Note: ln(x) is the natural logarithm of x.)
Answer
B. ln(101/3)
57
For 0 < m < 1, suppose f(x) = m sin x/(1 + m cos x). Then the maximum value of f(x) is given by:
Answer
B. m/√(1 − m²)
58
A chamber is filled up with gas at a concentration of 10²⁰ molecules per cubic meter. At time t = 0, a small hole is made at one end of the chamber, and molecules start diffusing out of the box. The rate of reduction in concentration with time is proportional to the present concentration. If the proportionality constant is found to be 1000, the concentration after one second is (Note: eˣ denotes the value of exponential function at x.):
Answer
D. 10²⁰e⁻¹⁰⁰⁰
59
An arithmetic progression on integers has 8 elements, and their sum equals −48. If the largest number is 8, the common difference (the difference between adjacent numbers) is:
Answer
C. 4
60
Equation of a line L is given by y = x + 1. The equation of the line perpendicular to L, passing through the point (2, 0), is:
Answer
A. y = −x + 2
61
A geophysicist who studies earthquakes and the mechanical characteristics of the Earth is called
Answer
D. Seismologist
62
Earthquakes that occur along faults are created when ________.
Answer
D. (2) and (3)
63
Earthquakes occur when there is a sudden release of stored up energy in Earth's ________.
Answer
C. upper mantle
64
Dams are designed to reduce flooding by _________.
Answer
B. providing storage for flood water
65
What is the rank of India in the world for natural disasters as per UNISDR?
Answer
B. Second
66
National Institute of Disaster management is located at?
Answer
C. New Delhi
67
Which of the following activities is covered by Disaster Management before, during or after a disaster?
Answer
D. All the above
68
When the stress exceeds the resistance to shearing along the locked interface between two converging plates, what will happen?
Answer
B. The seafloor will suddenly be driven upward
69
Flash floods are often caused
Answer
A. by thunderstorms
70
How many feet of fast-moving flood water can sweep a vehicle away?
Answer
B. 2 feet
71
What is the core concept that speeds up vehicles in hyperloop transportation?
Answer
B. Reduction of drag
72
What is the core idea in "Edge computing"?
Answer
D. Process data close to where it is created
73
Block Chain
Answer
D. Both (2) and (3)
74
What among the following is the biggest challenge today in making a manned space mission to Mars or the distant planets?
Answer
A. More efficient propulsion systems
75
Which is the odd one among these : VTOL, Dronecode, Cryogenics, GNSS, Gyro stabilisation?
Answer
B. Cryogenics
76
What best describes 'bionics'?
Answer
B. Mechanical systems that function like living organisms
77
Which among the following is the most challenging in designing avionics for inter-planetary missions?
Answer
A. Radiation protection
78
Moore's law had predicted the rate of growth of computing power. Which among the following is not one of the technologies which may ensure more computing power in the future?
Answer
D. Wireless computing
79
What best describes the peak data rates targeted to be achieved in 5G mobile communication technology?
Answer
C. 20 Gbit/sec
80
What does the term "hydroponics" refer to?
Answer
C. Growing plants without soil
81
Ram told Rahim, "If you give me half of your money, I will then have Rs. 75". Rahim told Ram, "If you give me two-thirds of your money, I will then have Rs. 70". How much should one give to the other so that both of them will have the same amount?
Answer
A. Ram to Rahim, Rs. 15
82
Time is 11.20 AM. The angle between needles is
Answer
B. 140°
83
Out of nine numbers, exactly four of them are between 65% and 80% of their median. Exactly two of them are between 120% and 140% of the median. The mode is twice the median and appears exactly two times. Let x, y, z denote the mean, median and mode of the numbers respectively. Then:
Answer
A. 0.44z ≤ x ≤ 0.5z
84
Four balls labelled as B1, B2, B3, B4 are placed uniformly at random in three pots labelled as P1, P2 and P3. What is the chance that no pot remains empty? (Note : The chance of an event is compound as the ratio of the number of favourable configurations for that event to the total number of configurations).
Answer
C. `(7)/(16)`
85
Twelve distinct numbers {a₁, a₂, …, a₁₂} satisfy four inequalities a₁ > a₂ > a₃ > a₄, a₅ > a₆ > a₇ > a₈, a₉ > a₁₀ > a₁₁ > a₁₂, a₁ > a₅ > a₉. Then which one of the following cannot be the third largest number?
Answer
D. a₁₀
86
A toothed wheel of radius 20 cm is attached to a smaller wheel of radius 15 cm. How many revolutions does the smaller wheel make when the larger one makes 3 revolutions?
Answer
D. 4
87
Two cylindrical vessels are connected at the bottom through a narrow tube of negligible volume. The diameters of vessels are in 2:3 ratio. The heights are in 3:2 ratio. If the total volume of the water contained in both the vessels amounts to 26L, the volumes in each vessel are
Answer
A. 8L, 18L
88
It takes 12 minutes to burn an 1m long coir rope completely, if it is burnt from the left end. And if burnt from the right end, it takes 24 minutes. The rope is burnt from both ends, and at the same time an ant starts to walk from one end of the rope at a speed of 1 centimeter per second. When the ant reaches the other burning end, it reverses direction, and keeps repeating that until it jumps out of the rope when it completely burns away. How much distance does the ant cover before it jumps out?
Answer
C. 480 centimeters
89
After a common entrance exam, an institute would like to call everyone at or better than rank 500 for an interview. If 10000 candidates appeared for the exam, and the results are announced in percentile, what percentile should the institute set as the cut off? (Note: In a set of observations, a sample is at x percentile if x% of observations are below the score of the sample).
Answer
B. 95
90
A 1.6 m tall person stands right beneath the bulb fitted at the ceiling of the room, and therefore makes no shadow. She moves 2 meters to make the length of her shadow equal to her height. Then the height of the ceiling is:
Answer
A. 3.6 m
91
Which right of the following is not a fundamental right according to the Constitution of India?
Answer
B. Right to property
92
Which of the following is not a Constitutional Authority?
Answer
D. Solicitor General of India
93
The objectives of the Indian Constitution is reflected in
Answer
C. Preamble of the constitution
94
Which of the following can be regarded as a salient feature of the Constitution?
Answer
D. Fedaral in form and Unitary in spirit
95
What is meant by concurrent list?
Answer
D. Subjects on both Union and State Governments can legislate
96
The ultimate soveriegn as per Indian Constitution is
Answer
C. People of India
97
Constitution of India came into effect on
Answer
C. 26th January 1950
98
Which state in India has a separate constitution?
Answer
A. Jammu and Kashmir
99
Which of the following is not a Republic?
Answer
C. United Kingdom
100
Which article was described by Dr B R Ambedkar as the heart and soul of Indian Constitution?
Answer
C. Article 32 : Right to judicial remedy
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