National Level Online Quiz On Machine Tools
National Level Online Quiz On Machine Tools Organized By Bharat Institute of Engineering and Technology , Hyderabad.
After Quiz Completion Everyone Will Receive A Participation Certificate on Your Email Id.
Here You can sell all the questions which are asked in this quiz competition
1. Determine the rpm(n) of the shaft. diameter(d)=25 mm, cutting speed(cs)=50 m/min.
636.9
202.83
10.615
none of the mentioned
2. Find the metal removal rate from the given data (in mm*mm*mm/minute). cutting speed(cs) =50 mm/minute, depth of cut(d)=10mm, feed(f)= o.1 mm/revolution.
50
500
5000
550
3. flat surface can be produced by a lathe machine, if the cutting tool moves
parallel to the axis of rotation of workpiece
perpendicular to the axis of rotation of workpiece
at an angle of 450
none of the above
4. The function of taper turning process is to
Reduce the diameter of a workpiece along its length
Reduce the diameter by removing material about an axis offset from the axis of workpiece
Remove the material from end surface of a workpiece
all of the above
5. What is the function of cone pulley drive in lathe machines?
Drive the lead screw
Change the spindle speed
Drive the tail-stock
All of the above
6. Which process squeezes metals into peaks and troughs with plastic deformation
Grooving
Knurling
Reaming
None of the above
7. Which of the following operations is/are performed on a lathe machine?
Spot-facing
Parting
Reaming
All of the above
8. The process of chamfering the entrance of a drilled hole is known as
counter-boring
counter-sinking
counter-fillet
trepanning
9. The workpiece motion and tool motion respectively in a horizontal boring machine are
Stationary and rotational
Rotational and translational
Translational and rotational
Stationary and rotational with translation
10. In machine tools, chatter is due to
Free vibrations
Random vibrations
Forced vibrations
Self-excited vibrations
11. Half nut is connected with
Milling machine
Locking device
Jigs and fixture
Thread cutting on lathe
12. The ascending order of evolution of materials used for making the cutting tools is
bronze – stone – steel – iron
iron – steel – bronze – stone
stone – bronze – iron – steel
bronze - steel - iron - stone
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