| Post Name | TRADESMAN (MACHINIST) |
|---|---|
| Department | TECHNICAL EDUCATION |
| Question Paper Code | 150/2014 |
| Date of Test | 18 September 2014 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
The cutting angle for chipping cast iron is >
Answer
A. 60°
2
Chain hole drilling is performed
Answer
B. | Where hack sawing is not possible
3
A drift is used for
Answer
D. Removing the drill from the machine spindle
4
âTaps are made of
Answer
C. High carbon steel
5
The point angle for a standard drill is :
Answer
D. 118°
6
Which one of the following is not the part of a shaper ?
Answer
Question Cancelled
7
The size of the shaper is specified by ;
Answer
A. Length of stroke
8
Which of the following is non-chip removal process ?
Answer
A. Spinning on lathe
9
The reference surface during marking is provided by the _.-_â.
Answer
D. Marking table surface
10
Generally ratio of forward and return stroke in a shaper is .
Answer
D. 3:2
11
In shaping, compound angle may be obtained using
Answer
C. Universal vice ~
12
Which one is the operation that cannot be done on the slotting machine â
|
Answer
D. Thread cutting
13
The inside corner of a job should be finished by using =.
Answer
Question Cancelled
14
To slot a convex surface, the cutting tool required is__
|
Answer
B. Round nose tool
15
The convex surface can be slotted by using â
|
Answer
B. Rotary feed |
|
16
The purpose of quick return mechanism in a slotting machine is to â
Answer
Question Cancelled
17
The main feed shaft of a slotting machine is drive by â
Answer
Question Cancelled
18
During turning operation measure the job when it is â
Answer
B. Stopped
19
Changing of speed must be done when the :
Answer
B. Machine is stopped |
|
20
Surface gauge is used on lath to 5
Answer
B. True the job
21
Centre drill is mounted on _____
Answer
C. Tail stock spindle
22
For safe working, gap between tool rest and grinding wheel is :
Answer
C. 2mm maximum
23
Centre drill breaks as a result of
Answer
Question Cancelled
24
Chucks, Facing Plate, driving plates are mounted on ___.
|
Answer
A. Head stock spindle
25
Chamfering is not meant ___.__.
Answer
C. Reduce the weight of the component
26
A centre gauge is used to.
Answer
D. Check the angle of threading tool
27
100 mm dia. work runs at 250 RPM ona lathe, the cutting speedis
Answer
C. G) 785 m/min.
28
Knurling is done on ;
|
Answer
B. Cylindrical Surface
|
29
The included angle of the morse taper is.
Answer
B. 3°
30
Chip breaker is provided to.
|
Answer
Question Cancelled
31
The morse standard taper is available in ;
Answer
D. 08 Nos
32
A mandril is used
Answer
D. For turning a bored workpiece over the whole length
33
Top rake angle of a parting tool is .
Answer
A. Between 5°-6°
34
Quick return mechanism in a planner is necessary to tos
Answer
C. Reduce operation time
35
For feeding the tool for planning vertical and angular surface use ;
Answer
A. Tool head
36
Least Count of Vernier bevel protractor is ;
|
Answer
C. 5°
37
Ina planning machine the feed is provided intermittently at the , |
Answer
A. Forward stroke
38
For ordinary clamping purpose the following type of bolts are used .
Answer
A. T head bolts
39
The above cutter is used for__._
Answer
Question Cancelled
40
The least count of a vernier height gauge in the British system is
Answer
C. 0.001"
41
âThe quality of surface finish that can be achieved in good operation condition on a milling
machine is
Answer
A. N4 to N8
42
While mounting a parallel shank cutter, select a spring collect whose dia. is__._â=_.
Answer
C. Equal to the dia. of shank
43
Built up edge is formed on the cutting edge of cutter if material to be milled is
Answer
B. Ductle
44
The above cutter is used for 5
Answer
Question Cancelled
45
Vertical milling operations are carried out by mounting the vertical milling attachment
on .
Answer
C. Universal milling machine
46
Precision grinders are used to maintain close tolerances upto f :
Answer
B. 0.002 mm
47
âThe operation of sharpening a wheel is called â ;
Answer
C. Dressing
48
Which one is not the cause for âglazingâ of grinding wheel ?
Answer
D. Improper dressing
49
The recommended depth of cut for roughing is . .
Answer
B. 0.015 to 0.030 mm
50
The rotary table is mainly used for the vertical milling machine to mill P
Answer
B. Circular Surfaces
51
In the BIS system 25 holes deviations are specified by 3
Answer
D. Capital letters
52
Galvanizing process the components are dipped in ;
Answer
B. Molten zine }
53
Ajobis to be faced holding it between centres. For supporting the job. Which of the following |
centres, would you suggest ?
Answer
A. Half Centre
54
What do you understand by the term âHARDNESSâ of a grinding wheel ?
Answer
B. The strength of the bond to hold the abrasive grains together
55
âTo improve productivity in manufacturing jigs and fixtures are used â
Answer
D. It helps to hold the workpiece in the correct position
56
You have to mill an aluminium job which one of the following feature of the cutter is suitable
for this ? ; |
Answer
D. Less number of cutting edges with more chip space
57
his required to machine single start worm of 2 module (m) and 60 mm pitch diameter. The
speed ratio is 40 : 1.
Answer
Question Cancelled
58
A gear wheel has 20 teeth (Z) and 3 mm module (m) its pitch diameter (pd) is ______-
Answer
B. 60mm
59
What is the advantages of helical fluted taps ?
Answer
B. âTapping on slotted hole
60
What is the main purpose of using coolant while drilling ?
Answer
C. To cool the tool edge and lubricate the chips |
61
A point-to-point control system is suitable only for one of the following applications ;
Answer
B. Jig boring
62
The temperature to which a workpiece is heated depends on the materials and the type of
forging process. The temperature range for forging high carbon steel is r
Answer
C. 800°C
63
Whichâone of the following is the characteristic of a shaping machine relating to cutting |
process ? |
Answer
B. Tool cuts during forward stroke
64
In which of the following cases do you use higher ârpmâ while turning ? |
Answer
B. Fine finish on small diameter of work
65
The grade of a grinding wheel is specified by the letters from A to Z.
Answer
Question Cancelled
66
Find the normal module of a helical gear. Having an angle of 25° and real module (m)
6.62.
Answer
B. 6.62 x cos 25°
67
Indexing head mechanism works with :
Answer
A. Worm and worm gear
68
A hexagon socket screw key
Answer
B. width across flat hexagon )
69
CNC machines have built-in measuring system. The tool to reach the programmed position |
is known as ;
Answer
C. Work zero
70
A mild steel part has to be forged. Which colour indicate the most suitable forging
| temperature ?
Answer
C. White
71
Which one of the following is an artificial abrasive ? !
|
Answer
A. Silicon Carbide
72
While machining cast iron, coolant should be |
Answer
C. Dry air
73
Four steel pins of 6 50, 0.025 mm were turned in a lathe. Actual values of the four
components measured with a outside micrometer are given below. Which pin dimesion is |
within the specified limits ? |
Answer
C. 50.050 mm
74
The standard taper of taper pin is ______.
Answer
C. 1 : 50
75
The tip circle diameter of an internal gear is__..__.
Answer
A. Pitch circle diameter â 2x module |
76
Which one of the following is not essential for cam milling on milling machines ?
Answer
C. Swivelling arrangement of table
77
A worm and worm wheel drive used to connect
Answer
D. Non-Parallel non-intersecting shafts at right angles
78
Which one of the following cutter is not to ground on tooth face ?
|
Answer
D. Staggered ;
79
When a new carbided tipped tool require-re-sharpening, it is first ground to the rough form |
Was fee ten. |
Answer
B. Green grit silicon carbide |
|
80
Suitable machine tool for heigh speed parting off work on material like cemented carbide is
Answer
C. Cutting off machine
81
Manali the famous tourist centre in Himachal situated on the bank of River :
Answer
C. Beas
82
Which is the young fold mountain ?
|
Answer
D. Himalayas
|
150/2014 12 A
83
âProject Tigerâ was launched on :
Answer
A. 1973
84
Mahatma Gandhi National Rural Employment Guarantee Act passed on :
Answer
A. 2000
85
The scheme which provide food to senior citizens who have no one to take care of :
|
Answer
D. Annapoorna
86
In India chit fundâs are governed by : |
|
Answer
A. State Government
87
What is the total coastal length of Kerala ? |
Answer
D. 590 |
88
The largest forest division in Kerala :
Answer
A. Ranni
89
In Kanpur who lead the revolt of 1857 :
Answer
D. Nana Sahib
90
âThe British Prime Minister who gave freedom to India :
Answer
B. Clement Atlee
91
âAtma vidya Sangamâ founded by which social reformer ?
Answer
D. Vaghbatananda ;
92
SNDP was formed in :
Answer
C. 1903
93
Birth place of Chattampi Swamikal:
Answer
C. Kollur
94
Father of Muslim renaissance in Kerala :
|
Answer
D. Vakkom Moulavi
95
The winner of French Open Menâs Single 2014 :
|
Answer
B. Rafael Nadal
96
Present Attorney General of India :
Answer
C. Mukul Rohatgi
97
Worldâs largest reservoir of Polio :
Answer
C. Peshawar
98
Youngest women to climb mount everest :
Answer
A. Malavath Purna
99
First oscar nominated film in India :
Answer
C. Mother India
100
âGive me blood in turn I will give you freedomâ is coined by :
|
Answer
C. Subash Chandra Bose
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