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This set of Production Engineering Multiple Choice Questions & Answers (MCQs) focuses on Production Engineering Set 12
Q1 | For the measurement of viscosity the transduction method could be
- Electron tube
- Magneto-electric
- Photoelectric
- Radioactive
- Capacitive
Q2 | A rammer is
- A measuring tool
- A tool used in powder metallurgy for shaping the mixture
- A tool used in foundry to pack the sand in mould
- A tool used in press work to lift the pressed components
- A tool used n welding for cleaning purpose
Q3 | Device used in the fitting shop used for holding round bars during marking/centre drilling thin faces is known as
- Parting off
- Bench vice
- Surface plate
- V-block
Q4 | Filler metal is essentially used in which of the following welding process?
- Spot welding
- Seam welding
- Projection welding
- Gas welding
- All of the above
Q5 | Which of the following is not a part of gating system?
- Vents
- Pouring basin
- Sprue
- Gates and riser
- Parting off
Q6 | When small castings are to be produced in large numbers, the type of pattern generally used is
- Split pattern
- Loose piece pattern
- Sweep pattern
- Match-plate pattern
- Solid pattern
Q7 | Hardness of work surface affects honing by
- varying the rate of stock removal
- poor surface finish
- coolant consumption
- All of the above
- Parting off
Q8 | The tool used for marking the location of bend line on thick metal/marking centres of holes is termed as
- Hollow punch
- Centre punch
- Prick punch
- Parting off
Q9 | Warping may be avoided when quenching a long slender piece of work by
- Holding the piece between clamps
- Holding the piece vertically over the quenching both and plunging it straight down
- Holding the piece on horizontally adequate supports
- Pulling the piece from both ends
- None of the above
Q10 | What multiple of basic unit is 'atto'?
- 10--18
- 10--15
- 10--12
- 10--20
- 10--9
Q11 | A vent wire is
- is used in cold heading
- A kind of wire used in hot forging
- A sharp pointed wire used in foundry for punching holes through the rammed sand
- A wire for providing airflow
- None of the above
Q12 | Which one of the following is not a vector quantity?
- Acceleration
- Impulse
- Time
- Force
- Momentum
Q13 | In which of the following welding process, flux is used in the form of granules?
- Submerged arc welding
- Gas arc welding
- DC arc welding
- Argon arc welding
- All of the above
Q14 | A set hammer is made of
- Mild steel
- Parting off
- High carbon steel
- Tool steel and hardened
Q15 | Material used for resistances is generally
- Nichrome
- Duralumin
- Constantan
- Monel metal
- Elinvar
Q16 | A kentometer is
- A manometric device used for measurement of vacumms
- A simple device used for measurements of kinetic energy
- A device used for measurement of kinetic energy
- A device used for the measurement of temperature
- A device used for the measurement of mass
Q17 | Ezy out is
- A tool for making round objects
- A taper reamer
- An instrument for measurement of out of roundness of objects
- A tool for removing broken bolts and studs from a hole
- A drill having two diameters
Q18 | Swab is
- A welding defect
- A forging die
- A rocess of manufacturing grinding wheels
- A tool used in foundry
- A gear cutter
Q19 | The function of a coolant in a metal cutting operation is
- To cool the job
- To cool the tool
- To reduce the friction at cutting point
- To obtain bright shining surface on the job
- None of the above
Q20 | In deriving relationship between thickness ratio, angle of shear plane and tool rake angle, which assumption is not required in orthogonal cutting
- tool cuts at constant speed
- the edge of the cutting tool is larger than width of the chip
- the width of chip is larger than its thickness
- None of the above
- Parting off
Q21 | The impedance of piezo-electric crystals is
- High
- Negligible
- Low
- Very low
- Average
Q22 | Machining allowance in case of die casting is
- Same as in other methods of casting
- Generally not provided
- Small
- Very small
- Large
Q23 | Which of the following process has least power consumption in kW/cm2/min?
- Electro discharge machining
- Laser beam machining
- Plasma arc machining
- Ultrasonic machining
- Abrasive jet machine
Q24 | Extrusion is the process of
- Metal shaping on presses
- Pushing the heated billet of metal through the orifice
- Producing holes by arc
- Welding two dissimilar metals
- Marking cup shaped articles using the force of explosion
Q25 | In electrical resistance welding cleaning of metals to be welded
- Is immaterial
- Is important
- Can be neglected
- Does not have any effect on the welding
- None of the above