MECHANICAL INTERVIEW QUESTION PAGE 2
The geometry of the warm wheel is similar to?
Answer.Spur gear
What is the main purpose of annealing?
Increase in perseverance
Scriber. Are made of.
Answer. Carbon stee
NC are types.
Answer. 2
Solid milling cutter is made from.
Answer. High speed steel
In milling machine, cutting is done with the help of operation.
Answer. Slitting saw
In rack and pinion system, the tooth of rack is in the shape of?
Answer. Trapezoid
The tool change is cod.?
Answer. M06
Process used to achieve high grade finish for super finishing surface
answer. Honing
What is meant by G-94 code in CNC machine?
Answer. Feed rate per minute
What is meant by G-21 code in CNC machine?
Answer. Metric units of input
What is the best example of a semi-liquid lubricant?
Answer.Greece
The teeth of a type gear are cut parallel to the axis of the gear.
Answer. Spur gear
Code G05 is used for?
Answer. HOLD
Jigs are used for
Answer. Hold the work object and guide the tool
Milling cutter with teeth at the end and its perimeter is known?
End milling cutter
A return signal that ensures the location of a tool or object is called?
Answer. Feedback
Bevel gear is used to connect shafts.
Answer. Right angle
What does CNC mean?
Computer Numerical Control
What is the axis of cutting on a CNC lab?
Answer X & Z
The reading accuracy of gear tooth vernier is… .. mm.
Answer 0.02
Before cleaning the machine, should the machine give?
Answer To stop
CN CNC machine. Have to be installed in the environment.
Answer Air conditioned
What is used to remove chips from the top of a lathe machine?
An swer: - Brush.
Centers are made of which metal?
Ans: - Carbon Steel
Which center is fitted in the headstock spindle of lathe machine?
Ans: - Live Center
What is the function of 5 * drill?
Ans: - To make round holes in the job.
Lathe Machine Bed is made of which metal?
Ans: - Cast Iron
How much Honing Allowance is kept?
Ans: - 0.01 mm
What is the full form of T.P.I.
Ans: - Thread Per Inch
What is the function of Pescus?
Ans: - Tighten and unscrew the screw.
Hacksaw Frame is made of which metal?
Ans: - Mild Steel
What is the angle of cutting edge of metric thread cutting tool?
Answer: - 60 degrees
What is the full form of B.S.W.
Ans: - British Standard Witworth
Ordinary hammers are made of which metal?
Ans: - Cast Steel
What is the function of oil gun?
Ans: - Giving oil in machine parts.
How many yarns are there in 20 * 1 inch?
Ans: - There are 8 yarns.
What is the use of Steel Rule / Scale?
Ans: - It is used to measure length.
Scriber is made of which metal?
Ans: - High Carbon Steel
At what temperature is carbon steel tempered?
Ans: From 550 C to 600 ° C
Which tool is used to support thin and long jobs on lathe machine?
Ans: - Guide / Steady
Which hammer is used to remove the kill?
Ans: Claw Hammer
On what principle does a micrometer work?
Answer: - On the principle of nut and bolt.
Why are holes made in Sine-Bar?
Ans: - To clamp with job.
What is the degree of L Square?
Ans: - 90 degrees
Which of the following properties of metal makes utensils?
Ans: - Plasticity
What is the maximum speed per minute of the spindle of Tool Room Lathe Machine? Ans: - 2500 cycles per minute.
The body of Bench Vice is made of which metal?
Ans Cast Iron.
How many millimeters are in an inch?
Ans: - 25.4 mm in an inch.
Which system of measurement is prevalent in India nowadays?
Ans: - M.K.S. Meter Kilogram Second
What is the uppermost part of the bangle called?
Ans: - Crest.
Sand (File) is made of which metal?
Ans: - High Carbon Steel
Cutting tool is clamped on which part of lathe machine?
Ans: - Tool Post
Swage Block is made of which metal?
Ans: - Cast Steel
What is the degree of point of 45 * center punch?
Ans: - 90 degrees
Clearance is mainly measured by which gauge?
Ans: - Feeler Gauge
What is the degree of pitch angle of BSW bangle?
Answer: 55 degrees
What is a temperature measuring meter called?
Ans: - Thermometer
How many meters are there in a kilometer?
Answer: - 1000 meters
What is the unit of length in the British system?
Ans: - Foot
Cast iron has a melting point (in ° C) in low range?
Answer 1150-1300
In a lathe machine, what is the process of enlarging the hole already present on the workspace called?
Answer Boring
Hardened steel can be used only after which of the following process?
Answer Tampering
Spring material should not have which of the following properties?
Answer Fragility
How is the clearance fit kept?
Answer Positive
CNC length has Built - In Corrdinating Measuring System, in this system… .. is called zero position.
Answer Machine Zero Point
13. The loaded wheel is fixed by
Answer Dresser
What is the main purpose of thermal treatment?
Answer Improving the mechanical properties of steel
What is the Included Angle of ISO Metric Trade?
Answer 60
In which method tolerance is given on both sides of basic size?
Answer By lateral
What is called the process that helps in the production of fine particles and refinement of mechanical properties for uniformity of structure?
Answer Normalizing
The required amount of pressurized air enters the air chamber through the doors of the cupola furnace. These gates are called.
Answer Tears
Brown and sharp tappers are commonly used?
Answer Milling machine
Which saw is used to cut large internal curves?
Answer Compass saw
Steady rest is used?
Answer To support the job
What is the accuracy of the master surface plate?
Answer 0.00001 inches
N.C. Tool setting on the machine is done on unit?
Answer Pre-setting device
The amount of material extracted is higher in
Answer Drilling
Mild steel case is hardened. Its core is
Answer In softness and stickiness
What is the function of fixture?
Answer Clamping
What is used to measure external measurements indirectly?
Answer Outside caliper
There are different spindle motions on the lathe?
Answer In geometric order
What type of milling cutter is used for high speed milling operation.
Answer Negative rank
Which jig body is made of solid block of steel and is used for drilling in small party?
Answer Solid jig
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