| Post Name | LECTURER IN POLYMER TECHNOLOGY |
|---|---|
| Department | POLYTECHNICS - TECHNICAL EDUCATION |
| Question Paper Code | 031/2015/OL |
| Category Code | 060/2014 |
| Date of Test | 30 November 2015 |
| Medium of Question | ENGLISH |
| Exam Type | Online Examination |
| Total Questions | 100 |
1
The concept of Directive Principles of State Policy in Indian Constitution was borrowed from
Answer
B. Ireland
2
Which Articles of Indian Constitution was described as 'heart and soul of Indian Constitution'?
Answer
D. Article 32
3
The Chief Legal Advisor to the Government of India is
Answer
A. Attorney General
4
Who is popularly known as the 'Father of Indian Constitution'?
Answer
D. Dr. B.R. Ambedkar
5
Which part of Indian Constitution has been described as the 'Magna Carta' of India?
Answer
A. Part III
6
Who wrote the book 'envisioning an empowered nation: technology for societal transformation'?
Answer
B. A.P.J. Abdul Kalam
7
The founding father of Modern Singapore
Answer
D. Lee Kuan Yew
8
Which city will host the 2016 World Summer Olympics?
Answer
A. Rio de Janeiro
9
The first Vice Chairman of newly constituted NITI Aayog was
Answer
B. Arvind Panagariya
10
The Good Will Ambassador of 35th National Games in India
Answer
C. Sachin Tendulkar
11
The famous Kallumala agitation for social freedom was organized under the leadership of
Answer
D. Ayyankali
12
The social reformer who organized 'misra-bhojanam' (interdining) for eradicating the evils of caste system was
Answer
A. Sahodaran Ayyappan
13
The 'Savarna Jatha' related to Vaikam Satyagraha was organized under the leadership of
Answer
B. Mannath Padmanabhan
14
Who founded 'Samatva Samajam' one of the earliest social organization of Kerala?
Answer
D. Vaikunta Swami
15
The ruler of Travancore who issued the famous Temple Entry Proclamation
Answer
B. Sree Chitra Thirunal Balarama Varama
16
The first annual session of S.N.D.P. Yogam held at
Answer
C. Aruvipuram
17
The founder of Islam Dharma Paripalana Sangham was
Answer
A. Vakkom Abdul Khadar Maulavi
18
Who published 'Rajya Samacharam' the first newspaper in Malayalam Language?
Answer
C. Dr. Herman Gundert
19
Who wrote the historical novel 'Rama Raja Bahadur'?
Answer
B. C.V. Raman Pillai
20
Who hailed Akkamma Cheriyan as 'The Jhansi Rani of Travancore'?
Answer
A. M.K. Gandhi
21
Which of the following is a trifunctional monomer?
Answer
C. Glycerol
22
Polymer molecular weight is equal to repeat unit molecular weight times n, where n is
Answer
A. Degree of polymerization
23
Below the glass transition temperature the free volume is
Answer
D. Minimum
24
Which of the following is a first order process?
Answer
D. All of these
25
Glass transition temperature of polyisoprene is
Answer
A. Below room temperature
26
A SBR is an example of
Answer
B. Random copolymer
27
Hilderbrand is the unit of
Answer
C. Solubility parameter
28
For a polymer prepared by free radical polymerization
Answer
A. Mα΅₯ > Mβ
29
Polydispersity index is said to be 1 when
Answer
A. Mα΅₯ = Mβ
30
In emulsion polymerization technique, the polymerization takes place in
Answer
Question Cancelled
31
Thermoplastic polyurethane is a
Answer
C. Thermoplastic elastomer
32
For EPDM the unsaturation is in the
Answer
C. Pendent groups
33
The monomers of butyl rubber are
Answer
D. None of these
34
The property that is lowered by increasing CN content of NBR is
Answer
B. Low temperature flexibility
35
The EPM is not cured by
Answer
A. Sulphur
36
Fluorocarbons are known for
Answer
D. All of these
37
Nylon 66 melts at (deg C)
Answer
C. 269
38
In unsaturated polyester the monomer that is commonly used to give crosslinking sites is
Answer
D. Maleic anhydride
39
Neoprene is commonly cured with
Answer
B. Metal oxide
40
An example of amorphous polymer is
Answer
D. All of these
41
For polymer containing OH group a major absorption peak is expected at (wave number)
Answer
A. 3400
42
Which of the following is commonly use to estimate crystallinity?
Answer
C. X ray
43
Tan delta is defined as
Answer
A. Loss modulus / storage modulus
44
The angle of oscillation in MDR is (degrees)
Answer
Question Cancelled
45
Resilience is inversely related to
Answer
B. Heat build up
46
Tear strength is optimum at
Answer
B. Slight under cure
47
A high value of tan delta indicates
Answer
A. good traction
48
Which rubber gives high tear resistance?
Answer
D. NR
49
A DSC can measure
Answer
D. All of these
50
Compression set at constant stress is measured using
Answer
Question Cancelled
51
A parison is used in
Answer
A. Blow moulding
52
PET is not used in extrusion blow moulding because
Answer
C. Low melt strength
53
Which of the following is amenable to reaction injection moulding?
Answer
D. PU
54
RRIM is used when
Answer
A. Good strength is needed
55
In a two roll mill the shear rate is adjusted by
Answer
C. both of these
56
The effect of roll bending in calendaring operation is reduced by
Answer
D. All of these
57
The role of a plug in a plug-assisted thermoforming is to help
Answer
C. Both of these
58
In a Banbury the rotors can be
Answer
Question Cancelled
59
Which of the following is not good for thermoforming?
Answer
C. PF
60
Which of the following is the best for uniform filler dispersion?
Answer
A. Two roll mill
61
Viscosity has the unit
Answer
A. Pa. S
62
Decrease of viscosity with increasing shear rate is known as
Answer
D. Pseudoplastic behaviour
63
The unit of shear rate is
Answer
B. Per second
64
Yield stress is shown by
Answer
C. Bingham plastics
65
Thixotropy is associated with reduction in viscosity
Answer
A. With time at constant shear rate
66
In rheology relaxation time is defined as
Answer
A. Viscosity / modulus
67
Bagley correction is done to account for
Answer
D. Entry effect
68
Apparent shear rate for a capillary flow is related to
Answer
B. Volume flow rate and capillary diameter
69
In an isometric creep curve
Answer
C. Stress is plotted against log time
70
Which of the following involves the use of a rotor?
Answer
B. Mooney viscometer
71
The ply angle in radial tyres is close to ________ degrees.
Answer
D. 90
72
Which of the following is a slow accelerator?
Answer
A. DPG
73
Caprolactam disulphide is a
Answer
C. Sulphur donor
74
Chemical mastication is operational after (deg. Centigrade)
Answer
B. 120
75
Transmissibility is defined as
Answer
A. Output amplitude / input amplitude
76
For good vibration isolation
Answer
C. Natural frequency must be low
77
DBP number is used to measure
Answer
D. C black structure
78
BET method uses ________ gas to measure surface area.
Answer
C. Nitrogen
79
Si 69 is a
Answer
A. Coupling agent
80
Azodicarbonamide is a
Answer
B. Blowing agent
81
The primary criterion for choosing blend components is
Answer
D. Solubility parameter must be close
82
Blend miscibility is studied using a
Answer
C. Both of these
83
Anisotropy is defined as
Answer
D. Direction dependent properties
84
In short fiber composite extrusion, fibers are oriented circumferentially in a
Answer
A. Diverging die
85
In blends UCST stands for
Answer
B. Upper critical solution temperature
86
Spherulites are related to
Answer
C. Polymer crystals
87
For a 70/30 NR/PE blend which phase morphology is more probable?
Answer
A. NR is continuous phase
88
Which one has molecular level mixing?
Answer
C. Alloy
89
Which is a very commonly used fiber in tyre industry?
Answer
Question Cancelled
90
The membrane on rubber particles is
Answer
C. phospholipoproteinic
91
Which of the following statements is true?
Answer
A. TSC > DRC
92
Mechanical stability test is done on
Answer
A. Latex
93
The major metal present in sludge removed from latex is
Answer
B. Mg
94
Which of the following is a VFA?
Answer
B. Acetic acid
95
Which of the following cannot destabilize latex?
Answer
A. Ammonia
96
Potassium oleate is used in NR foam manufacture as
Answer
C. Foam promoter
97
The foaming agent used in NR foam is
Answer
C. Air
98
For making thick walled dipped products the preferred method is
Answer
B. Heat sensitised dipping
99
In electrodeposition the rubber is deposited on
Answer
A. Positive electrode
100
Average size of rubber particles in latex is
Answer
Question Cancelled
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