Prepare for BHEL Artisan (Machinist) recruitment examination with official previous years' solved questions across Lathe Operations & Thread Cutting, Shaping, Slotting & Planing Machines, Milling & Gear Cutting (Indexing), Precision Grinding, CNC Machine Programming & G/M Codes, Precision Measuring Instruments (Micrometers, Vernier Height Gauges, Dial Indicators, Sine Bar), Limits, Fits & Tolerances, and Engineering Cutting Tool Materials.
Marking pattern: +1.00 positive, -0.25 negative (Official BHEL Artisan CBT Scheme).
Which of the following is a basic care practice for a Vernier calliper?
Which of the following geometric tolerances controls the roundness of a cylindrical part?
What are the effects of using an unbalanced grinding wheel?
Which of the following grades represents a soft grinding wheel?
Which of the following is used to transmit motion between parallel shafts?
The circular pitch is defined as:
In addition to cooling, what role does a coolant play during the cutting process?
What is inserted into the slot of the holder for fly cutting in spot facing?
Straddle milling is commonly used to machine which types of surfaces?
What is the primary function of the helix angle in an end mill?
Which part of the depth micrometer is responsible for taking the depth reading?
In CNC programming, which code typically controls the rotary table motion?
According to BIS, how are counter bore sizes standardised?
The main purpose of a coolant in a CNC Vertical Machining Center is to:
A component has a basic size of 60 mm with limits 60.10 mm and 59.90 mm. Which actual size is acceptable?
If the zero error of a Vernier calliper is +0.03 mm and the measured reading is 50.28 mm, the corrected measurement is:
In grinding operations, a negative top rake angle is most suitable for:
Which of the following operations is performed after drilling to improve hole accuracy?
Which of the following is NOT an application of radial drilling machines?
Which angle of countersink is commonly used for head screws and deburring operations?
Bevel gears are used to transmit power between shafts that are:
What controls the sequence of tool changes in a CNC VMC machine?
In a screw thread, the crest is defined as:
Which of the following factors directly contributes to a reduction in cycle time in a manufacturing process?
The base of a Vernier height gauge is designed to: