Machinist ceptam question paper
CEPTAM Technician Machinist Model Question Paper | DRDO Machinist Sample Paper
If you are going to appear in CEPTAM 10 Machinist Exam 2022 and searching drdo machinist previous year question paper. Then you at right place. Here, we are providing DRDO Tech A Machinist Model Question Paper with answer for your ready reference
1.You have to machine a flat surface on a work piece of two metres length. Which machine will you choose for this?
A.Planning
B.Slotting
C.Milling
D.Shaping
Ans: A
2.Why it is necessary to maintain an approach distance between the cutting tool and the work while working on shaping machine?
A.To cool down the cutting edge of the tool bit
B.To avoid any ridger at the end of workpiece
C.To allow the chips to fall and clear the cutting edge
D.To enable the clapper box to return to cutting
Ans: D
3.Oil grooves are to be cut in brass half bearings. Which one of the following chisels in suitable?
A.Flat chisel
B.Cross chisel
C.Half round nose chisel
D.Web chisel
Ans: C
4.The quality control allows at the most 0.4% defective parts, How many defective parts can be allowed in a production of 500 parts?
A.1
B.2
C.10
D.20
Ans: B
5.One which unit the tool setting is done on NC machine?
A.On special devices away from the machine
B.On the NC machine during idle time
C.On the pre setting devices
D.None of above
Ans: C
6.The component of the surface texture upon which the roughness is superimposed is known as?
A.Surface roughness
B.Surface texture
C.Lay
D.Waviness
Ans: D
7.Which one of the following groups of properties enables the manufacture of chain hooks from wrought iron?
A.Ductillity, malleability and hardness
B.Hardness, toughness and ductility
C.Malleability, ductility and toughness
D.Hardness, toughness and brittleness
Ans: C
8.You have to file an aluminum block to a smooth finish, which one of the following cut of file is most suitable?
A.Double cut
B.Curved cut
C.Rasp cut
D.Single cut
Ans: A
9.Which one of the following is an artificial abrasive?
A.Emery
B.diamond
C.Corundum
D.Silicon carbide
Ans: D
10.The grain size of a grinding wheel is indicated by numbers, which range of grain size referred to as ‘Very Fine’?
A.10 – 24
B.30 – 60
C.80 – 180
D.220 – 600
Ans: D
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