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This set of Metrology and Measurements Multiple Choice Questions & Answers (MCQs) focuses on Metrology And Measurements Set 8
Q1 | Which of the following is not a fundamental quantity?
- length
- angle
- time
- luminous intensity
Q2 | Which standard is fixed and used for industrial laboratories?
- international standard
- primary standard
- secondary standard
- working standard
Q3 | Which of the following error is caused by poor calibration of the instrument?
- random error
- gross error
- systematic error
- precision error
Q4 | How systematic errors are eliminated?
- frequent measurement
- replacement of instrument
- finding mean of reading
- finding variance of reading
Q5 | Starting position of an object is represented as x=5.1±0.2m and finishing position as y=6.9±0.3m. What will be the displacement and error in displacement?
- displacement = 1m, error = 0.5m
- displacement = 2m, error = 0.36m
- displacement = 1.8m, error = 0.36m
- displacement = 1.5m, error = 0.4m
Q6 | ‘Zero error is an indication of instrumental error’.
- true
- false
Q7 | Which of the following is not among the methods of linear measurements?
- direct measurements
- measurements by optical means
- indirect measurements
- electromagnetic methods or edm
Q8 | Which of the following is not a method of measuring the distances directly?
- pacing
- measurement with passometer
- measurement with pedometer
- measurement with theodolite
Q9 | Which of the following measurements varies with an individual before computing the length of line?
- chaining
- pacing
- levelling
- contouring
Q10 | Which method consists in counting the number of paces between the two points of a line?
- chaining
- pacing
- levelling
- contouring
Q11 | Pacing is difficult in
- smooth surfaces
- plain areas
- rough ground
- plateaus
Q12 | Which instrument mechanism is operated by motion of the body and it automatically registers the number of paces, thus avoiding the monotony and strain of counting the paces, by the surveyor?
- passometer
- pedometer
- odometer
- chaining
Q13 | Which instrument registers total distance covered by any number of pace?
- passometer
- pedometer
- odometer
- chaining
Q14 | Instrument for registering the number of revolutions of a wheel is
- odometer
- pedometer
- pedometer
- chaining
Q15 | Most accurate method of direct measuring is with
- passometer
- pedometer
- theodolite
- chaining
Q16 | Which of the following is not under direct measurement?
- pacing
- chaining
- taping
- triangulation
Q17 | What is used for measuring offsets, but it is often used by building surveyors or architects?
- plum bob
- butt rod
- pegs
- laths
Q18 | What is used in centering aid in theodolites, compass, plane table and variety of other surveying instruments?
- butt rod
- whites
- laths
- plumb bob
Q19 | Which of the following option is incorrect about interchangeability?
- increase output
- increase cost of production
- useful in mass production
- assembly time increases
Q20 | What are the main considerations for deciding the limits of a particular part?
- functional requirement
- economics and interchangeability
- interchangeability and functional requirement
- interchangeability, functional requirement and economics
Q21 | For full interchangeability, what is the relation between the process capability of a machine and manufacturing tolerance of the part?
- process capability = manufacturing tolerance
- process capability ≥ manufacturing tolerance
- process capability > manufacturing tolerance
- process capability ≤ manufacturing tolerance
Q22 | Which of the following option is correct in given statements about interchangeability? Statement 1: Standardisation is not so much of importance for interchangeability. Statement 2: Interchangeability follows ‘normal distribution’.
- f, t
- t, t
- f, f
- t, f
Q23 | Which of the following option is not correct for ‘full interchangeability’?
- this type of interchangeability is not feasible sometimes
- requires machine which can maintain low process capability
- machines with very high accuracy are necessary
- for interchangeable production, this type of interchangeability is not must
Q24 | What is the correct formula to find no. of groups in selective assembly?
- process capability / tolerance desired
- tolerance desired / process capability
- tolerance desired * process capability
- tolerance desired + process capability
Q25 | What is a limit system?
- series of tolerances
- series of fits
- series of clearances
- series of limits