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This set of Production Engineering Multiple Choice Questions & Answers (MCQs) focuses on Production Engineering Set 13
Q1 | A rack is gear of
- Infinite pitch
- Infinite module
- Infinite diameter
- Infinite number of teeth
- None of the above
Q2 | A left hand tool on a lathe cuts most efficiently when
- Automatic feed is connected
- It travels from left to right
- It is operated by compound slide
- It travels from right to left
- It travels across the bed
Q3 | A Bick iron is made of
- High speed steel
- Tool steel and hardened
- While cast iron
- Parting off
Q4 | Which of the following is a process of chipless machining?
- Gear shaving
- Honing
- Broaching
- Hobbing
- Cold heading
Q5 | Which one of the following methods can be used for turning external tapers only?
- Form tool
- Tail stock offset
- Reamer
- Compound rest
- Taper attachment
Q6 | Plain and butt welds may be used on materials upto approximately
- 100 mm thick
- 75 mm thick
- 50 mm thick
- 40 mm thick
- 25 mm thick
Q7 | Greater proportion of heat in a cutting operation is produced in the region of
- tool-chip interface
- shearing plane of chip
- tool and work piece contact
- None of the above
- Parting off
Q8 | The function of a chip breaker in a cutting tool is
- To provide smooth path for long chips
- To get long curled chips
- To break the chips into short segrments
- To remove chips from bed
- None of the above
Q9 | Continuous chips in ductile metals is promoted by
- Small rake angle
- Reduce the wall thickness and increase the diameter of tubes already made
- Low cutting speed
- Insufficient cooling
- Rine feed
Q10 | A stub tooth is one that is
- Thicker in proportion to its length than involute tooth
- Smaller in proportion to its length than the involute tooth
- None of these
- Vernier caliper
- Same as involute tooth
Q11 | Gear tooth vernier is used to measure
- Pitch line thickness of gear tooth
- Addendum and dedendum
- Gear tooth thickness
- Module
- Gear tooth profile
Q12 | The moisture content of wood used for patterns should be
- More than 25%
- Zero
- More than 20%
- Less than 15%
- 1%
Q13 | The coefficient of friction between chip and tool is the variable. It can be reduced by
- Reducing the width of tool
- Reducing the depth of cut
- Reducing the effective rake angle
- None of these
- None of the above
Q14 | A collimated light beam is used for producing heat in
- Percussion welding
- TIG welding
- Plasma welding
- MIG welding
- Laser welding
Q15 | A time switch is
- A switch which operates for a fixed time only
- A switch which gets energised with time
- A 24 hour timing device used to open and close electric circuits according to time of day on a continually repeating schedule
- A switch with records timings of operation of a circuit
- None of the above
Q16 | In instrumentation a correction is
- Reading-error
- Range of error-degree of correctness
- The revision applied to the indicated value so that the final result obtained improves the worth of the result
- Lowest value of input which does not indicate the result
- An error
Q17 | A 12 mm drilling machine means
- It can drill holes in 12 mm thick plates
- It can drill holes maximum 12 mm in diameter
- It can be used for crilling holes having cross-sectional area of 12 sq mm
- All of the above
- None of the above
Q18 | A sprue is
- A process of cleaning castings
- A chemical added to molten materials to get sound castings
- A tool used in mould repairing
- A special type of non-ferrous core used in centrifugal castings only
- A vertical passage through the cope and connecting the pouring basin to the runner or gate
Q19 | Which one of the following methods is generally not used in welding of chromium molybdenum steels
- 100 mm thick
- Thermit
- Submerged arc
- Oxyacetylene
- Resistance
Q20 | Which of the following is the most rapid quenching medium?
- Solution of caustic soda
- High flash point oil
- Parting off
- Air
- Water
Q21 | The length of hacksaw blades is
- Parting off
- 200 - 300 mm
- 300 mm - 400 mm
- 150 mm - 250 mm
Q22 | In production work where several castings are required
- Parting off
- match plate patterns are used
- split patterns are used
- loose piece patterns are used
- gated patterns are used
Q23 | In following operations are to be performed on a job, which one would be performed first
- Tapping
- Sport facing
- Boring
- Drilling
- Counter sinking
Q24 | Toole life cannot be defined as
- number of minutes after which tool failed
- machine time in minutes for which tool performed satisfactorily
- average length of cut per cutting edge
- None of the above
- Parting off
Q25 | Which of the following press is best suited for embossing?
- Knuckle joint press
- Toggle action press
- Double action press
- None of the above
- Parting off