| Post Name | Tradesman(Chemical Engineering) |
|---|---|
| Department | Technical Education |
| Question Paper Code | 062/2017 |
| Date of Test | 30 May 2017 |
| Medium of Question | English |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
The mass of 2 litre carbon monoxide at STP
Answer
B. 2.5 g
2
The volume occupied by one gram-equivalent of oxygen at 0° C and 550 mm Hg
Answer
A. 7.74 litres
3
21 ml of an acid can be neutralized by 7 ml of 0.3 N alkali solution, what is the normality of acid ?
Answer
C. 0.1 N
4
If four alpha particles and two beta particles are emitted from uranium (atomic number 92). What will be atomic number of new element formed ?
Answer
D. 86
5
How many gm-moles are present in 400 gm of sodium hydroxide ?
Answer
C. 10
6
A wet stock of ammonium sulphate contains 25% on dry basis. What is the percentage of moisture present, if it is expressed in wet basis ?
Answer
D. 20%
7
How many gram of carbon are present in 528 g of carbon dioxide ?
Answer
B. 144 g
8
An automobile tyre is inflated to pressure of 175 KPa at 273 K. By controlling the pressure at 250 KPa, upto what temperature, the tyre can be heated ?
Answer
A. 390 K
9
The difference between the dry bulb and wet bulb temperature is known as
Answer
C. Wet bulb depression
10
An example of unit process is
Answer
D. Ion-exchange
11
The residual solution from which the solute extracted is known as
Answer
A. Raffinate
12
Find the pressure which is not equal to 1 standard atmosphere
Answer
B. 1.01325 Pa
13
1 g mole of a compound consists of
Answer
C. 6.023 Ă— 10 molecules
14
500 kg of wet solid are to be dried from 60% to 20% moisture. How many kilograms of water removed ?
Answer
B. 200
15
Constant volume process is known as
Answer
D. Isochoric process
16
Aqua regia is a mixture of concentrated
Answer
A. Nitric acid and hydrochloric acid
17
Unit of viscosity is
Answer
B. PaS
18
German silver contains
Answer
C. Copper, Nickel, Zinc
19
If pH value of a solution decreases from 3 to 2, then hydrogen ion concentration change by
Answer
A. Increases 10 times
20
Convert the 50% of methanol water mixture by weight to mole %
Answer
B. 36 mole %
21
Density of water at 0° C and at 1 atm pressure 3
Answer
C. 1000 kg/m3
22
Reynolds number is the ratio of
Answer
D. Inertial forces to viscous forces
23
Terminal velocity is
Answer
C. The highest velocity attainable by an object in free fall
24
Priming should be done before starting
Answer
D. Centrifugal pump
25
Torr is a unit of
Answer
A. Pressure
26
Average molecular weight of air
Answer
B. 29
27
Mass number of an atom is the sum of the numbers of
Answer
A. Protons and neutrons
28
An example of semiconductor
Answer
D. Silicon
29
Thermosetting plastics are
Answer
B. Cross-linked molecules
30
Teflon is the commercial name of
Answer
D. Polytetrafluroethylene
31
Which is the purest form of iron ?
Answer
B. Wrought Iron
32
DDT is the short form of
Answer
C. Dichloro Diphenyl Trichloroethane
33
Which of the following is not a noble gas ?
Answer
D. Boron
34
Octane number of gasoline indicates its
Answer
A. Anti knocking property
35
Phosgene is
Answer
C. Carbonyl chloride
36
Vitamin C is
Answer
B. Ascorbic acid
37
Nano is equal to –8
Answer
D. 10–9
38
Litmus paper
Answer
D. Turns blue under alkaline conditions
39
The main constituent of liquified natural gas is
Answer
C. Methane
40
Visbreaking produces
Answer
B. Fuel oil of lower viscosity
41
Catalyst used in catalytic reforming
Answer
A. Platinum
42
Biuret formation is in the manufacture of
Answer
D. Urea
43
Instrument which may be used for measuring small differences in pressure is
Answer
A. Inclined manometer
44
Amount of moisture in air is determined by
Answer
C. Hygrometer
45
Oleum gives the fumes of
Answer
D. Sulphur trioxide
46
Emissivity of a black body is
Answer
C. One
47
Chloroform-acetone mixture is a
Answer
B. Maximum boiling azeotrope
48
Critical moisture content is a point at which
Answer
A. Falling rate period starts
49
Hardness of water is expressed interms of
Answer
B. Calcium carbonate
50
Capacity of an evaporator is
Answer
D. Kilogram of water vapourised per hour
51
Example of a non-Newtonian fluid
Answer
A. Paint
52
Flow controlling value
Answer
C. Butterfly value
53
Pressure at “Vena Contracta” is
Answer
B. Less than the system pressure
54
The value of universal gas constant at calories per mol degree Kelvin
Answer
D. 1.987
55
An example of thermoplastic
Answer
A. Polytetrafluroethylene
56
Blow down is not used for
Answer
C. To reduce pressure
57
Which of the following removes latent heat ?
Answer
B. Condenser
58
The shortest centre-to-centre distance between the adjacent tubes in heat exchangers is called
Answer
B. Pitch
59
The indicator used in titration involving a strong base
Answer
A. Phenolphthalein
60
Which one is used as a fire fighting technique ?
Answer
D. All of the above
61
Addition of ozone in water treatment for
Answer
A. Disinfection
62
Milk powder is made from milk by drying in a
Answer
C. Spray drier
63
Psychrometric chart is used for the study of properties of mixtures of
Answer
A. Air-water
64
The commonly used ratio of actual reflux to minimum reflux is
Answer
B. 1.5
65
Which one of the following characteristics of instrument is desirable ?
Answer
D. Reproducibility
66
– 273° C is equal to
Answer
A. Zero ° K
67
Example of an over flow analysis
Answer
A. Screening
68
Which of the following produces the smallest particle size ?
Answer
C. Ball mill
69
Fruit juice can be concentrated by
Answer
A. Falling film evaporator
70
Most effective equipment for removing fine dust particle from air
Answer
D. Electrostatic precipitator
71
Dry ice is solid
Answer
C. Carbon dioxide
72
Which of the following radiation produces heat ?
Answer
D. Infrared
73
The substance used as neutron moderator in nuclear reactor is
Answer
A. Heavy water
74
A variable area flow meter
Answer
A. Rotameter
75
Pasteurization of milk is done by heating 74° C for
Answer
B. 15 seconds
76
The lowest temperature at which the oil vapour ignites and continues to burn for 5 second is called
Answer
C. Fire point
77
Brass is composed of
Answer
A. Cu-Zn
78
Which one of the process is used for water softening purpose ?
Answer
D. All of the above
79
Enzyme is a
Answer
A. Catalyst in biochemical reaction
80
Vanaspati is produced by the process of
Answer
B. Hydrogenation
81
Which of the following countries signed the Indus Waters Treaty ?
Answer
C. India-Pakistan
82
Name the territorially largest district of India
Answer
D. Kutch
83
Which soil is also known as ‘regur soil’ ?
Answer
B. Black soil
84
When was the Reserve Bank of India established ?
Answer
A. First April 1935
85
In which year was the Mahatma Gandhi National Rural Employment Guarantee Act passed ?
Answer
B. 2005
86
Select the river, which is not a tributary of Bharathapuzha
Answer
A. Mampuzha
87
The Twelfth Five Year Plan in India has set a target of ___________ average growth of GDP over the plan period
Answer
C. 8%
88
Which European power constructed the Pallipuram Fort ?
Answer
B. The Portuguese
89
Name the revolutionary, who died following a 64 day hunger strike in jail in protest of the ill treatment of political prisoners by the jail authorities
Answer
A. Jatindra Nath Das
90
Author of the play Neel Darpan
Answer
D. Dinabandhu Mitra
91
Who was the founder of the protest movement named Prathyaksha Raksha Daiva Sabha ?
Answer
C. Pokayil Yohanan
92
Name the author of the work Baalakalesam
Answer
B. Pandit Karuppan
93
Antharjana Samajam, an organization for reforming Namboothiri women, was founded by
Answer
A. Parvathy Nenmenimangalam
94
Who was the social reformer of Kerala associated with the Villuvandi Yathra ?
Answer
D. Ayyankali
95
The year in which The Madras Marumakkathayam Act was passed
Answer
B. 1933
96
Name the President of BCCI who was sacked by the Supreme Court on 02-01-2017
Answer
C. Anurag Thakur
97
Who was the Director of the film ‘Clash’ which was awarded with ‘Suvarna Chakoram’ at IFFK, 2016 ?
Answer
D. Mohamed Diab
98
Who penned the book The Sellout, which own the Man Booker Prize Award of 2016 ?
Answer
A. Paul Beatty
99
Name the South Korean President who was impeached in 2016
Answer
D. Park Geun-hye
100
What is the main intention of the scheme ‘Lucky Grahag Yojana’ launched by the Government of India ?
Answer
C. To promote the use of e-money
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