Prepare for ONGC Assistant Technician (Fitter) and Junior Technician recruitment with official previous years' solved question papers across Workshop Safety & Fire Fighting, Hand Tools (Files, Chisels, Hacksaws), Precision Instruments (Vernier Caliper, Micrometers, DTI), Limits, Fits & Tolerances, Drilling & Reaming, Screw Threads & Fasteners, Pipeline Valves & Gasket Fitting, Pumps, Compressors & Turbines Maintenance, Power Transmission (Belts, Chains, Gears), and Industrial Lubrication & Bearings.
Marking pattern: +1.00 positive, 0.00 negative marking (Official ONGC CBT Scheme — No Negative Marking).
Plug gauges are are finished by
Taper shank drills have ________ taper.
'GALINA' is an ore of
Most hand reamers are meant for
In high pressure Oxy-acetylene gas welding the pressure of acetylene is
Which safety equipment must be used for protection from poisonous air?
What is Tap drill size for $\text{M}10 \times 1.5$ thread (as per industrial method)?
What is checked while measuring dimensions of a work?
Screw thread micrometer is used to measure the _____ of the screw threads.
The property of metal by virtue of which it can resist the effect of tensile forces without rupturing is known as
Taps broken below the surface are removed by
The tumbler gear mechanism of lathe machine is used for changing the direction of rotation of the
The irregularities in the surface texture result from the inherent action of the production process is known as
When steel contains $0.84\%$ carbon, than it is called
The property possessed by a metal by virtue of which it melts when heat applied is
Tempering process is done to induce
In the second cut file, second cut is type of
Try square are specified according to length of
What is called golden hours in terms of first aid?
the negative clearance between two mating parts is also known as
The tap wrench with two jaw chuck is known as
_____ are the extreme permissible sizes within which the operator is expected to make the component.
In hardening process cutting ability of steel is
In which die, when side screws are tightened the die will close, slightly?
When a masterpiece of $30\text{ mm}$ is measured with a micrometer having $0.04\text{ mm}$ positive error than instrument reading will be