Prepare for BHEL Artisan (Turner) recruitment examination with official previous years' solved questions across Centre Lathe Parts & Mechanisms, Facing, Plain & Step Turning, Taper Turning Methods & Calculations, Screw Thread Cutting (Metric, BSW, Acme, Square, Multi-start), Lathe Accessories (Chucks, Faceplate, Steady Rest, Follower Rest), Boring & Internal Threading, CNC Lathe Basics & G-Codes/M-Codes, and Precision Measuring Instruments (Vernier Caliper, Micrometer, Thread Micrometer, Bevel Protractor).
Marking pattern: +1.00 positive, -0.25 negative (Official BHEL Artisan CBT Scheme).
Which of the following denotes the maximum diameter of the work which can be accommodated on a lathe?
What does the M00 code in a CNC programme indicate?
Which of the following machining operations is performed with single-point tools?
Which of the following options correctly represents the formula for Least Count (LC) of Vernier Caliper?
A punch used for removing broken pins, rivets or bolts is called:
In threading, the distance measured normal to the axis of the part, between the crest and root of the thread, is called:
The main advantage of the ________ is that the machine spindle is not required to be stopped while changing the tool.
Which formula is used to determine the final value in a micrometer reading?
An angle plate is mainly used for:
Which of the following axes in CNC usually represents vertical movement?
In the multiple turning head, the boring bar is usually held:
The term "engine lathe" originates from early lathes being driven by which of the following?
In CNC programming, the direction of the X-axis on a milling machine is:
Which of the following cutting tool materials can withstand abrasion and retain the cutting edge at elevated temperatures?
Positive rake angle is generally used for:
The main purpose of slip gauges is to calibrate:
NO-GO gauge is used to check if:
Which of the following devices is used to check flatness of surfaces?
What is the effect of feed rate on the surface finish in turning operations?
Which of the following needs of occupational health and safety is NOT correct?
The ________ is the part of the lathe that serves as a housing for the driving pulleys and back gears. It also provides bearing for the machine spindle and keeps the latter in alignment with the bed.
The primary purpose of a surface gauge is:
Prior to using a micrometer to take a measurement, one should first:
What kind of oil is frequently used in machining as a straight cutting oil?
For external threads, the GO gauge is: