| Post Name | TRADE INSTRUCTOR GRADE II (TURNING) |
|---|---|
| Department | TECHNICAL EDUCATION |
| Question Paper Code | 168/2014 |
| Date of Test | 15 October 2014 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
Ceramic cutting tools are made from : .
Answer
B. Aluminium oxide powder
2
Ina vernier micrometer 0,001” is divided into 10 divisions in vernier scale. The 10 vernier
scale divisions is equal to how many thimble divisions for getting 0.0001” accuracy?
|
Answer
A. 9 divisions
3
The cutting edge becomes stronger where the cutting tool is provided with :
Answer
D. Negative back rake angle |
4
‘The fixtures are :
Answer
A. Hold and locate the work
5
Ina progressive plug gauge the ‘GO’ and ‘NO GO' ends are placed at :
Answer
B. One end only
)
6
If a cutting tool set above the centre line of the work piece, which effect will take place on the
tool?
|
Answer
Question Cancelled
7
For a turning operation, the ‘I’ is the length of job, 'f is the feed rate and ‘n’ is the r.p.m. of
work. The cutting time for turning is calculated by :
Answer
D. ——. minutes
! fxn
A 3
[P.T.O.}
8
Which is the term that is no connection with boring operation?
Answer
A. Originate a hole
9
Which is the tool has no connection with checking and measuring a screw thread?
Answer
C. Thread chasing dial
10
An universal bevel protractor has an accuracy of :
Answer
B. 5 minutes
11
The steel containing 0.8% carbon, the steel has a structure of :
Answer
B. Peardite
12
While heating a steel the ‘austenite’ structure is formed at 723°C, this temperature is
ed :
|
Answer
D. Lower critical temperature
13
A pipe thread has an angle of :
Answer
C. 55°
14
Tool maker’s button is used while boring for :
Answer
D. Accurate positioning the hole |
15
For turning a multi-start thread of 2 mm pitch, we can find out the gears. For calculating the :
change gears we can take the ‘lead’ of work is :
Answer
B. 2 No.of starts
16
A clearance angle should be provided from the helix angle leading side and following side. The helix angle of the thread at the leading side is:
Answer
A. Lead / Minor dia.
17
Ultrasonic machining is a process of :
.
Answer
B. A non-conventional machining
18
A wheel lathe is
Answer
D. All of the above
19
Acapstan lathe has :
Answer
D. Saddle and auxiliary slide
20
While holding a chuck on a head stock spindle, the perfect aligning of spindle and chuck is
; obtained by a spindle nose of :
Answer
C. Long taper nose with flange
21
While holding a work on a collet chuck, the work has no movement while holding
Answer
D. Dead length collet chuck
22
The resistance of a metal against wear is :
Answer
A. Hardness
23
Cyniding is a process of case hardening, in which the steel surfaces receives :
Answer
B. Carbon and nitrogen
24
The least count of a vernier caliper is the difference of :
Answer
B. 1MSD—1VSD
25
Higher temperatures in the furnaces are measured by :
Answer
A. Pyrometer
26
The least count of a micrometer is a value connection with its threads measurements, it is :
Answer
D. Pitch + No.of divisions on the thimble :
27
The level of a lathe bed while erecting a Lathe is checked by :
Answer
B. Aspirit level
28
The ratchet stop is a part provided on micrometer for :
Answer
D. All of the above
29
The distance travelled by a bolt in a nut in one complete revolution is ; ‘
Answer
C. Lead
30
The following is not a function of tumbler gear : |
Answer
A. Changing the direction of spindle rotation
31
Which work holding device must be used where taper turning by tail stock off-set method?
Answer
B. Catch plate with carrier and ball centre |
32
A hexagonal shaped work can be hold accurately and easily on :
Answer
C. Three jaw self centering chuck
33
Which is not a reason for that the drilled hole is larger than drill size, where the drill has :
Answer
C. Lack of coolant
34
Thin cut-off grinding wheels are made by :
Answer
B. Organic bond
35
The reaming allowance provided for 50-75 mm holes is :
Answer
A. 0.75 mm
36
The gap between abrassives of a grinding wheel is cloged with chips and cutting action of the
wheel is lost, this defect is known as : f
Answer
B. Loading
37
The drill produces unusual sound and the cutting is slow, it is due to:
Answer
D. Low lip clearance angle
38
Larger holes are finished by a reamer known as :
Answer
B. Shell reamer
39
Good surface finishing is produced while taper turning used by the method : |
Answer
C. Attachment method
|
40
Avoiding sudden maximum load on a lathe cutting tool is obtained by :
Answer
A. Side cutting edge angle
41
The operation performed on a lathe for correcting the length of work piece is that: ©
Answer
C. Face turning
42
The cutting tool advance into the work per revolution is called :
Answer
A. Feed
43
Which type of lathe centre permits to hold the work at an angle?
Answer
B. Ball centre
44
Morse tapers are available in a series of :
Answer
B. MT-—0toMT-7
45
A metal which is expand and contracts when it is heating and cooling. This property of the
metal called :
Answer
C. Thermal
46
Cutting tools are made in the form of tips for turning purposes are made of : |
Answer
A. Cemented carbide
47
Cast-iron is a product from : |
Answer
B. Cupola furnace
48
Which type of alloy steel requires pre-heating when hardening? |
Answer
D. High speed steel |
49
Coarse knurling has a pitch of :
Answer
A. L75mm
50
Which is the operation performed for eliminating sharp edges at the corners while lathe
operations?
Answer
B. Chamfering
51
The nose angle of a lathe single point cutting tool is formed in between :
Answer
C. End cutting edge angle and side cutting edge angle
|
52
The head stock spindle nose has
Answer
Question Cancelled
53
For balancing a counter weight is required while clamping work on
Answer
B. Face plate
54
Heat treatment for steel is done for changing its structure and mechanical property. Which |
treatment is done for getting a uniform structure of steel? |
Answer
C. Normalising :
55
Taper turning by swiveling compound slide method, the compound slide is swiveled to :
Answer
B. Half taper angle
!
56
Wrought iron containing :
Answer
Question Cancelled
57
Which is the following die is used for cutting accurate threads?
Answer
B. Split button die
58
The difference between maximum limit of size and the minimum limit of size is :
Answer
D. Tolerance
59
A grinding wheel is marked with ‘AIG P.5 VBE’ where ‘5’ indicates :
Answer
C. Structure
60
Which is the coolant commonly used while drilling mild steel on lathe?
Answer
B. Soluble oil
61
The radius between the steps checked by : )
Answer
A. Fillet gauge
62
The positive top back rake angle provided on a lathe cutting tool, it best used for cutting :
*
Answer
D. All of the above )
63
While finish turning the cutting speed selected is : .
Answer
B. Two times more than rough turning
64
Which one of the following, the thread form used on lathe tail stock spindle?
Answer
C. Square thread
65
If the percentage of carbon increases highly in the steel it will tend to make the steel : |
Answer
B. Hard and brittle
66
Which one of the file is suitable for filing on Lathe works?
Answer
A. Single cut file
67
‘The no. of spindle speeds available from a cone pulley head stock where the cone pulley have
4-step is :
Answer
Question Cancelled
68
Lead is the metal used for as a counter weight for balancing the faceplate when it is mounted
on Lathe spindle, the reason for selecting lead is :
Answer
B. Most heaviest
69
While turning operation the cutting edge of tool is chipped off: for reducing this defect which
will be the suitable provision from the following?
|
Answer
C. Reduce cutting speed
70
The tailstock spindle hole is provided with :
|
Answer
B. Morse taper
71
In the system of limits and fits; a hole size is given as 50 mm basic size and maximum and
minimum limit given as +50 and +7. Which of the following is a correct statement?
Answer
C. Hole Max. 50.05 and Min. 50.007 mm |
72
Which is the chuck used for holding a work quickly and with high gripping power?
Answer
B. Hydraulic chuck
|
73
Which type of tool post have, the tool height is quickly adjustable?
Answer
A. Single way tool post
74
The parting-off operation cannot be done when the work is held by :
Answer
C. Between centers
75
Lathe dogs are :
Answer
Question Cancelled
76
A lathe bed is made with:
Answer
D. Cast-iron
77
A'pip’ is formed at the centre while facing, it is due to :
Answer
B. Tool cutting edge set above the centre line of work
78
Side relief angle only provided for :
Answer
C. Parting-off tool
79
Which is not a part of feed mechanism of a lathe?
Answer
B. Bull gear
80
Which is a artificial abrassive?
Answer
C. Silicon carbide
81
The demarcation line between North Korea and South Korea is : |
Answer
A. 38 Parallel
82
What Movement was started by way of agitation against the first Partition of Bengal? )
Answer
B. Swadeshi Movement |
83
Who is the author of the book “A Brief History of Time”? |
Answer
D. Stephen Hawking
168/2014 12 A
84
Which one of the following countries is not a permanent member of U.N.O?
Answer
D. Japan
85
Tadoba National Park is in :
Answer
C. Maharashtra
86
Birth place of Sri Narayana Guru is :
.
Answer
B. Chempazhanti
87
The Commission formed to study feasibility of Telengana State :
Answer
B. Sri Krishna
88
World Wetlands Day is on :
|
Answer
A. February 2
89
Who said these words-"That is one small step for a man,one giant leap for mankind”?
Answer
D. Neil Armstrong
90
Who developed Oral Polio Vaccine(OPV)? |
Answer
A. Albert Sabin
91
‘Vaikom Satyagraha’ was started in :
Answer
B. 1924
92
The capital of Jharkhand is ;
Answer
C. Ranchi
93
Which is the only country in the world that has its map on its flag?
Answer
C. Cyprus
94
Whois known as ‘Father of Indian Constitution’?
Answer
A. Dr. B.R. Ambedkar
95
Tihar Jail is in:
Answer
D. Delhi
96
Who gave the ‘Theory of Evolution’? .
Answer
D. Charles Darwin
97
The first general election in India was held in:
Answer
Question Cancelled
98
‘Subsidiary Alliance System’ was carried out by :
Answer
C. Lord Wellesley
99
World Chess Champion of 2013?
Answer
A. Magnus Carlsen
100
An example for the Peninsular river in India is :
Answer
B. Godavari
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