| Post Name | LECTURER IN MECHANICAL ENGINEERING- TECHNICAL EDUCATION |
|---|---|
| Question Paper Code | 069/2017/OL |
| Category Code | 226/2015 |
| Date of Test | 14 August 2017 |
| Medium of Question | ENGLISH |
| Exam Type | Online Examination |
| Total Questions | 100 |
1
The first law minister of Kerala is __________
Answer
A. V.R. Krishna Iyer
2
The first session of constituent assembly convened in __________
Answer
Question Cancelled
3
Who started Pandhibojanam (Mixed dining) firstly is India ?
Answer
A. Thycad Ayyaguru
4
The famous 'Kadampuzha' temple situates in which district ?
Answer
D. Malappuram
5
Ezhava Memorial submitted to __________
Answer
C. Sri Moolam Thirunal
6
Who translated ' Qu-ran' firstly into Malayalam ?
Answer
D. Vakkom Abdur Kader Moulavi
7
Who is the author of the book, 'Thee Kadal Kadanj Thirumathuram' ?
Answer
A. C. Radhakrishnan
8
'Arangu Kanatha Nadan' is the autobiography of __________
Answer
C. Thikkodiyan
9
Who is the Kerala Minister for Hajj Affairs ?
Answer
A. Dr. K.T. Jaleel
10
Who among the following is not the leader of 1921 Malabar Revolt ?
Answer
D. Mamburam Syed Alavi Thangal
11
In the 'PERT' network, the project completion time is considered to follow
Answer
A. Normal Distribution
12
What are the constituent of phosphor bronze ?
Answer
C. Copper, Tin and Phosphorous
13
Movement of block of atoms along certain crystallographic phases and directions termed as
Answer
C. Slip
14
The correct order of co-ordination number in SC, BCC, FCC and HCP unit cells is
Answer
B. 6, 8, 12, 12
15
Addition of magnesium to cast Iron increases it's
Answer
D. Ductility and strength in tension
16
During a tensile testing of a specimen using 'UTM', the parameters actually measured include
Answer
D. Load and elongation
17
A gauge block is checked for its taperness using an interferometer and the wavelength of the light is 0.4 μm. The numbers of fringes obtained are ten and five when the job is tilted by 180°. The taperness is:
Answer
B. 0.5 μm
18
The most accurate surface roughness measuring instrument is
Answer
A. Perthometer
19
Draft on pattern means
Answer
C. Facility for stripping
20
Match plate pattern is used in
Answer
D. machine moulding
21
Angle on which strength of the tool depends is
Answer
B. rake angle
22
Drilling can be termed as
Answer
A. Oblique cutting
23
In APT language, the cutter motion in incremental cordinate mode is addressed as
Answer
B. GO/TO...
24
The critical depth of a rectangular channel of width 4 m and discharge of 12 m³/s is equal to:
Answer
A. 0.972 mm
25
Flow can be considered as incompressible flow
Answer
A. When mach number less than 0.3
26
In a doublet equipotential lines are
Answer
A. Circles tangent to y-axis
27
What is the value of momentum correction factor for a turbulant flow in a pipe ?
Answer
B. 1.02-1.05
28
When maximum power is transmitted through the pipe, the relation between total head supplied (H) and head loss due to friction (Hₗ) is:
Answer
C. Hₗ = H/3
29
What will be the number of buckets on the periphery of a Pelton wheel runner if D is the diameter of the wheel and d is the diameter of the jet?
Answer
D. D/(2d) + 15
30
What is the maximum efficiency of a jet striking a single plate moving in the direction of the jet?
Answer
D. 8/27
31
For a Francis turbine, Thoma's critical cavitation factor σ꜀ can be related to specific speed as:
Answer
C. 0.0431(Nₛ/100)²
32
What is the least diameter of impeller in a centrifugal pump to commence the flow, where Hₘ is the manometric head and N is the speed of the impeller?
Answer
C. 97.7√Hₘ/N
33
When an air vessel is fitted in a double acting Reciprocating pump, percentage workdoneper stroke saved against friction is
Answer
B. 39.2%
34
Q → discharge from supply tank to valve box; q → discharge from valve box to delivery tank; H → height of water in discharge tank above valve box; h → height of water in supply tank above valve box. Then D'Aubuisson's efficiency of a hydraulic ram is:
Answer
D. qH/(Qh)
35
A hemispherical shape of diameter 1.5 m is provided in the bottom of a tank. If the depth of water above the horizontal floor of tank is 5 m. What is the magnitude of resultant force on hemisphere ?
Answer
A. 78 KN
36
If μ is the actual coefficient of friction in a belt moving in a grooved pulley, the groove angle being 2α, the virtual coefficient of friction will be:
Answer
B. μ/sin α
37
Design of shafts made of brittle material is based on
Answer
D. Rankine's theory
38
The highest stress that a material can with stand for a specified length of time with out excessive deformation is called
Answer
C. creep strength
39
When the addenda of pinion and wheel are such that the path of approach and path of recess are half of their maximum possible values, the length of path of contact is given by (r = pitch-circle radius of pinion, R = pitch-circle radius of wheel, and φ = pressure angle):
Answer
A. (R + r) sin φ/2
40
In a clock mechanism, the gear train used to connect minute hand to hour hand is
Answer
B. Reverted gear train
41
The angle between the direction of follower motion and a normal to pitch curve is called
Answer
D. Pressure angle
42
The ratio of the range of speed of a Porter governor to that of a Watt governor is (m = mass of ball, M = mass of sleeve):
Answer
C. (m + M)/m
43
To restore stable operating condition in a hydrodynamic journal bearing, when it encounters higher magnitude loads
Answer
B. Oil viscosity is to be increased
44
A flywheel has a moment of inertia of 9-8 kg·m², as printed in the source. What is the kinetic energy stored in the flywheel at 600 rpm?
Answer
A. 600
45
The number of elastic constants for a completely anisotropic elastic material are
Answer
C. 21
46
If P is the ratio of the inner diameter to the outer diameter of a hollow shaft, the ratio of the strength of the hollow shaft to that of a solid shaft of the same outer diameter is:
Answer
A. (1 − P⁴)⁻¹
47
Angle of helix in a closed coiled spring is
Answer
A. < 10°
48
For the same maximum pressure and temperature of Otto, Diesel and dual combustion air standard cycles
Answer
D. Heat rejected by the engine will be same
49
The products obtained by the partial combustion of one mole of methane are:
Answer
D. 11/3 CO₂ + 3/7 CO
50
For a hollow sphere with thermal conductivity k and outside heat-transfer coefficient h, the critical thickness of insulation is:
Answer
D. 2k/h
51
In a certain Heat exchanger, both fluids have identical mass flow rate -sp. heat product. The hotfluid enters at 76°C and leaves at 47°C and cold fluid enters at 26°C and leaves at 55°C. The effectiveness of heat exchanger is
Answer
B. 0.58
52
When ammonia is used as Refrigerant, the recommended material used for Refrigerant lines are
Answer
C. Steel
53
A Spark plug gap should be
Answer
Question Cancelled
54
Which type of compressor mostly used in supercharger of internal combustion engines ?
Answer
C. Redial flow compressor
55
Thermostatic expansion valves are set mostly for a super heat of
Answer
A. 5°C
56
In a Refrigeration system with multiple evaporators at different temperature with compound compression and flash intercooler, the suction vapour to the high pressure stage is
Answer
B. Dry saturated
57
The supply air state of cooling coil with a bypass factor (BPF) lies at
Answer
D. Intersection of RSHF line and GSHF line
58
The degree of warmth or cold felt by a human body depends mainly on
Answer
D. All of the above
59
Petrol Enginer has compression ratio from
Answer
A. 6 to 10
60
Which of the following is not included under the definition of wages given under the payment of wages Act, 1936 ?
Answer
C. Gratuity
61
Shadow price in linear programming refers to the
Answer
C. value assigned to one unit
62
Which of the following stock valuation methods is based on a cost estimate made before the part is purchased?
Answer
C. Standard costing
63
Vehicle manufacturing assembly line is an example of
Answer
A. Product layout
64
For forecasting the potential of a new product which one of the following method is used ?
Answer
B. Direct survey method
65
SIMO charts are used in
Answer
B. micro motion study
66
The control chart used for the fraction of defective items in a sample is
Answer
C. P-chart
67
Low cost, higher volume items requires
Answer
B. little inspection
68
Which of the following is not a method of depreciation ?
Answer
A. Replacement method
69
The department which take care of both production as well as control is
Answer
D. Scheduling
70
Queing theory is associated with
Answer
D. Waiting time
71
If y = logₑ x + logₓ e + logₓ x, then dy/dx at x = e is:
Answer
A. 0
72
Equation of the line with mid-point (3, 2) on then portion between the x and y axis is :
Answer
C. 2x+3y = 12
73
The area of the parallelogram with one at the origin, having sides as lines with slopes 3 and 4 and making unit intercept on the y-axis is :
Answer
A. 1
74
The minimum value of logₐ x + logₓ a at x = a/2, where 0 < a/2 < a, is:
Answer
C. 2
75
If f(x) = min {|x - 1|, |x|, |x+1|} then the indefinite integral of f(x) between -1 and 1 is :
Answer
D. None of these
76
The area of the graph of the function y = |x-5| and the y axis between the limits 0 and 8 is :
Answer
A. 17
77
Which is larger: 99⁹⁹ + 100⁹⁹ or 101⁹⁹?
Answer
A. 101⁹⁹
78
The value of a for which the system of equations 2x + y - 5 = 0, x - 2y + 1 = 0 and 2x - 14y - a = 0 is consistent is :
Answer
C. -16
79
If cos α + cos β = 0 = sin α + sin β, then cos 2α + cos 2β is:
Answer
B. −2 cos(α + β)
80
The value of 4 cos A cos (60-A) cos (60 + A) is
Answer
D. cos 3A
81
Frequency of AC power distribution in India is
Answer
C. 50 Hz
82
If 'n' number of resistors with 'R' Ohm each are connected in series and parallel separately, the equivalent resistance will be
Answer
A. nR and R/n
83
The impedance in an R-L-C series circuit at Resonance condition will be
Answer
B. R
84
In AC circuits the power delivered to load at Unity Power Factor (UPF) condition will be
Answer
D. Maximum
85
The device which is connected in electrical wiring for earth leakage protection is
Answer
A. ELCB
86
In a brick masonry what is called a lap ?
Answer
A. distance between successive vertical joints
87
What is meant by reduced level ?
Answer
C. depth of a point below datum
88
For preparation of concrete which type of aggregate should be preferred for economy ?
Answer
B. rounded aggregate
89
Which among the following is Fe 250 grade steel ?
Answer
A. Plain bars
90
In which case direct ranging is used ?
Answer
D. If the distance between two stations is more than the length of measuring chain
91
The function of a flywheel is
Answer
C. To prevent fluctuation of speed
92
The thermodynamic cycle on which petrol engine works is
Answer
A. Otto
93
A moderator in a nuclear power plant is a medium used to
Answer
B. Control the reaction
94
A Pelton turbine requires
Answer
B. High head and low discharge
95
In an automotive differential, the drive pinion is assembled into the
Answer
D. Differential housing
96
In an unregulated power supply, if input ac voltage increases output voltage _________
Answer
A. Increases
97
If energy is taken from the ac side of the inverter and sends it back in to the dc side then it is known as __________
Answer
C. Regenerative mode operation
98
The type of access used in GSM technology is __________
Answer
A. FDMA/TDMA
99
The coverage and capacity of CDMA system is more than that of GSM system.
Answer
A. True
100
Which toxic compound is not found in e-waste ?
Answer
C. Neon
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