| Post Name | ASSISTANT PROFESSOR (CHEMICAL ENGINEERING) |
|---|---|
| Department | TECHNICAL EDUCATION Date of |
| Question Paper Code | 071/2017/OL |
| Category Code | 542/2014 |
| Date of Test | 21 August 2017 |
| Medium of Question | ENGLISH |
| Exam Type | Online Examination |
| Total Questions | 100 |
1
The first Attornigeneral of India
Answer
A. M.C. Sedalvad
2
In which newspaper "Veenapoov" of Kumaranasan firstly published ?
Answer
C. Mithavadi
3
Who write the Mahakavya named 'Vishaka Vijayam' ?
Answer
C. Kerala Varmma Valiya Koyithamburan
4
Which Part of Indian Constitution deals about State Administration?
Answer
C. 6th Part
5
Which book is also known as 'Keralaramam' ?
Answer
B. Hortus Malabaricus
6
The year of 'Temple entry proclamation'.
Answer
B. 1936 Nov. - 12
7
'Mundhiri Kinar' is related to which social reformer ?
Answer
D. Vaikunda Swamikal
8
Chattambi Swamikal born in
Answer
C. Kannamoola
9
The first Butterfly Safari Park in Asia.
Answer
A. Thenmala
10
Right to Education Act passed by Indian Parliament.
Answer
A. August - 2009
11
The first RTI Application submitted by
Answer
C. Shahid Raza Burney
12
The drama 'Punarjanmam' written by
Answer
C. Lalithambika Anthrjanam
13
Who said "Iam the leader, shoot me first before you kill others" ?
Answer
D. Akkammacheriyan
14
The Autobiography of A.K Gopalan
Answer
Question Cancelled
15
The statue of Akkammacheriyan erected at
Answer
D. Vellayambalam
16
Which novel of Kesava Dev based the tragedy of partition of India ?
Answer
B. Bhranthalayam
17
The National Food Security Act was signed into law on
Answer
A. 12th Sept. - 2013
18
Which Article of Indian Constitution deals about the prevention of untouchability ?
Answer
D. Article - 17
19
Among the following which is the book of Herman Gundert ?
Answer
C. Sathyaveda ltihasam
20
The Araya Samajam was founded by
Answer
B. Pandit Karuppan
21
Coating of fluorescent lamps
Answer
B. Converts UV rays to visible light
22
If the supply frequency of a 4 pole induction motor is 50 Hz and that of rotor induced emf is 1.5 Hz, at what speed the motor is running ?
Answer
C. 1455 rpm
23
Calculate the average value of a sinusoidal voltage with a maximum value of 100 V.
Answer
A. 63.66 V
24
A coil consists of 700 turns and a current of 10 A on the coil gives rise to a flux of 1.2 mWb. Find the voltage induced in the coil if the current is reversed in 0.02 second.
Answer
D. 1.68 mV
25
The open circuit test on transformer will provide the value of
Answer
A. Core loss
26
As per IS classification, the minimum compressive strength of a first class brick should be
Answer
B. 100 Kg/cm²
27
The workability of concrete is assessed through 1. Slump test 2. Compaction factor test 3. Setting time of cement 4. Le-Chatelier's apparatus
Answer
A. 1 and 2
28
A 30 m metric chain is found to be 10 cm too short throughout a measurement. If the distance measured is recorded as 300 m, what is the actual distance ?
Answer
C. 299.0 m
29
Consider the following statements : 1. Ranging 2. Levelling 3. Contouring Which of these statements is/are correct ?
Answer
Question Cancelled
30
Soundness test of cement is carries out to determine its
Answer
C. Free lime content
31
How many molecules of nitrogen will be present in 28g of nitrogen at standard temperature and pressure?
Answer
C. 6.023×10²³ molécules
32
Which of the following ratios defines the recycle ratio in a chemical process ?
Answer
A. recycle stream/fresh feed stream
33
The molar composition of a gas is 10% H₂, 10% O₂, 30% CO₂ and balance H₂O. If 50%H₂O condenses, the final mole% of H₂ in the gas on a dry basis will be
Answer
D. 20%
34
The weight fraction of methanol in an aqueous solution is 0.64. The mole fraction of mathanol Xₘ satisfies
Answer
B. Xₘ= 0.5
35
The necessary and sufficient condition for equilibrium between two phase is
Answer
Question Cancelled
36
Van Laar equation deals with the activity coefficients in
Answer
A. binary solutions
37
Entropy is a measure of the __________ of a system.
Answer
B. disorder
38
Which of the following is a characteristic of an adiabatic process ?
Answer
C. Q = 0
39
The number of degrees of freedom for a mixture of ice and water are
Answer
B. 1
40
The equation dU = TdS - PdV is applicable to infinitesimal changes occurring in
Answer
B. a closed system of constant composition
41
In case of a pressure driven laminar flow of a Newtonian fluid of viscosity (μ) through a horizontal circular pipe, the velocity of the fluid is proportional to
Answer
C. μ⁻¹
42
Losses for flow through valves and fittings are expressed in terms of
Answer
B. equivalent length of a straight pipe
43
The local velocity of a fluid along a streamline can be measured by
Answer
A. Pitot tube
44
Water is flowing under laminar condition in a pipe of length L if the diameter of the pipe is doubled, for a constant volumetric flow rate, the pressure drop across the pipe
Answer
B. decreases 16 times
45
Bernoull's equation cannot be applied when the flow is
Answer
D. all of the above
46
In pipe flow, heat is transferred from hot wall to the liquid by
Answer
C. forced convection and conduction
47
LMTD in case of counter flow heat exchanger as compared to parallel flow heat exchanger is
Answer
A. higher
48
Which mechanism of heat transfer is involved in heating a pot with water on a stove ?
Answer
Question Cancelled
49
The heat transfer by radiation from a mild steel surface is to be reduced by reducing the emissivity of the surface. This can be best achieved by
Answer
C. surface a mirror finish
50
Water enters a thin-walled tube (L = 1 m, D = 3 mm) at an inlet temperature of 97°C and mass flow rate 0.015 kg/s. The tube wall is maintained at a constant temperature of 27°C. Given the following data for water: density ρ = 1000 kg/m³, viscosity μ = 489 × 10⁻⁶ Ns/m², specific heat Cₚ = 4184 J/kg/K, and inside heat-transfer coefficient h = 12978 W/(m²K), the outlet temperature of water in °C is
Answer
B. 37
51
Prandtl number is the ratio of
Answer
B. Momentum diffusivity to thermal diffusivity
52
Which one of the following statements is true with regards to the percentage saturation (P.S) and relative saturation (R.S) ?
Answer
C. P.S < R.S
53
The feed to a binary distillation column has 40 mole% vapour and 60 mole% liquid. Then the slope of the q-line in the McCabe-Thiele plot is
Answer
A. -1.5
54
1000 kg of wet solids are to be dried from 60% to 20% moisture (by weight). The mass of moisture removed in kg is
Answer
C. 500 kg
55
`` When a multistage try tower uses a minimum reflux ratio it implies ?
Answer
A. infinite trays and maximum reboiler heat load
56
The absorption factor is defined as
Answer
C. L/mG
57
Mass transfer coefficient, k according to penetration theory various with mass diffusivity as
Answer
A. D⁰·⁵
58
Size reduction of coarse hard solids using a crusher is accomplished by
Answer
B. Compression
59
Sticky materials are transported by
Answer
B. Screw conveyor
60
A filtration is conducted at constant pressure to recover solids from dilute slurry. To reduce the time of filtration, the solids concentration in the feed slurry is increased by evaporating half the solvent. If the resistance of the filter medium is negligible, the filtration time will be reduced by a factor of
Answer
C. 4
61
The gas-phase reaction 2A → B is carried out in an isothermal plug-flow reactor. The feed consists of 80 mole% A and 20 mole% inert. If the conversion of A at the reactor exit is 50%, then Cₐ/Cₐₒ at the outlet of the reactor is
Answer
B. 5/8
62
The reaction 2A + B → 2C occurs on a catalyst surface. The reactants A and B diffuse to the catalyst surface and get converted completely to the product C, which diffuses back. The steady state molar fluxes of A, B and C are related by
Answer
C. N_A = 2N_B = −N_C
63
The overall order of a reaction for which the rate constant has units of (mol/L)⁻³ᐟ² sec⁻¹ is
Answer
D. 5/2
64
The rate constant of a reaction depends upon
Answer
B. temperature
65
For a first order isothermal catalytic reaction A → P, occurring in an infinitely long cylindrical pore, the relationship between effectiveness factor, ε, and Thiele modulus, φ, is
Answer
C. ε = 1
66
For a first order isothermal chemical reaction in a porous catalyst, the effectiveness factor is 0.3. The effectiveness factor will increase if the
Answer
B. catalyst size is reduced or the catalyst diffusivity is increased
67
Static characteristics of an instrument is
Answer
B. drift
68
U-tube type manometer is
Answer
B. second order system
69
Bimetallic thermometers are used to measure the temperature in the range of
Answer
D. -20° to 300°C
70
Gas chromatography is used for measurement of
Answer
C. concentration
71
Styrene - Butadiene rubber is commercially manufactured by
Answer
B. suspension polymerisation
72
Triple superphosphate is manufactured by reacting
Answer
A. Phosphate rock with phosphoric acid
73
In petroleum refining, the process used for conversion of hydrocarbons to aromatics is
Answer
B. catalytic reforming
74
One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to
Answer
A. adjust the pH of the syrup
75
Which of the following fine dust removal equipment is the most efficient ?
Answer
C. electrostatic precipitator
76
The biological decomposition of organic substances in waste controlled conditions is called
Answer
C. composting
77
The resistance of water to the passage of light through it is measure of the
Answer
A. turbidity
78
In a shell and tube heat exchanger, the 'tube pitch' is defined as the
Answer
C. shortest centre to centre distance between adjacent tubes
79
Spherical shaped pressure vessel is considered to be the most ideal, because
Answer
A. withstand higher pressure
80
Generally, no corrosion allowance in wall thickness of a part is required, if the thickness is more than
Answer
D. 30 mm
81
For the same compression ratio and heat input which cycle has maximum thermal efficiency ?
Answer
B. Otto cycle
82
A circular disc rolls on the inside surface of a base circle. The radius of the circular disc is equal to half the radious of the base circle. The locus of a point on the circumference of the disc is
Answer
A. Straight line
83
When a belt is stationary, it is subjected to some tension known as initial tension. The value of this tension is equal to the
Answer
D. Average tension of the tight side and slack side of the belt
84
The tenacity or hardness with which the bond holds the cutting point or abrasives in place of a grinding wheel is defined by the term ?
Answer
D. Grade
85
Two geometrically similar pump are run at the same speed. One pump lifts water at the rate of 20 litres per second against a head of 15 meters. The head of the other pump in metres to deliver half the discharge is
Answer
C. 9.45
86
The phase difference between the input voltage and output voltage in a common base configuration is ___________
Answer
A. 0°
87
An ac supply of 200 V is applied to a half-wave rectifier circuit through a 10 : 1 turns ratio transformer, the Peak Inverse voltage of the diode is _________, assume the diode to be an ideal.
Answer
C. 28.28 V
88
The slew rate of an Op-amp is 2 V/μs. The closed-loop voltage gain when the input signal varies by 0.5 V in 10 μs is __________
Answer
D. 40
89
At 100% modulation in AM, the power in each side band is __________ of that of carrier.
Answer
B. 25%
90
The resistance of an ideal voltmeter is _________
Answer
D. Infinite
91
The product of the characteristic roots of a square matrix A is
Answer
C. |A|
92
The complete solution of (D² + a²)y = sin ax is
Answer
D. None of these
93
The value of m if F = eᵐˣ((2y + 3z)i + 2j + 3k) is irrotational is
Answer
B. 1
94
The image of the straight line y = k under the mapping w = sinz is
Answer
C. ellipse
95
The Laplace transform of eᵃᵗ sinh at is
Answer
B. a/(s² − 2as)
96
The 8-bit encoding format used to store data in a computer is
Answer
B. EBCDIC
97
SIMD represents an organization that
Answer
C. includes many processing units under the supervision of a common control unit
98
#include main() { int x = 0; for (; ;) { if (x++ == 4) break; continue; } printf("x=%d\n", x); } What will be printed when the above code is executed ?
Answer
D. x = 5
99
How can one convert numbers to strings ?
Answer
C. Using sprint()
100
What will be the data type returned for the following function ? int func() { return(double)(char)5.0; }
Answer
B. int
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