Explore topic-wise MCQs in Electronics & Communication Engineering.

This section includes 495 Mcqs, each offering curated multiple-choice questions to sharpen your Electronics & Communication Engineering knowledge and support exam preparation. Choose a topic below to get started.

201.

______________ diagram is used for identifying potential relationship between twovariables.

A. Pareto
B. Ishikawa
C. Histogram
D. Scatter
Answer» E.
202.

Just-in-time (JIT) is the concept of reducing inventories to:

A. 25% of former stock
B. Less than half of former stock
C. 75% of peak stock
D. zero stock
Answer» E.
203.

If data for MR chat shows non-normality, it is better to determine the control limits for theindividuals control chart based on the ______________ of the correct underlying distribution.

A. Percentage
B. Percentiles
C. Rank
D. Mean
Answer» C. Rank
204.

What must you include when reporting an ANOVA?

A. Standard deviations, Degrees of freedom, Means, F statistic, P value
B. Standard deviations, Means, F statistic, P value
C. Standard deviations, Degrees of freedom, Means, F statistic
D. Degrees of freedom, F statistic, P value
Answer» B. Standard deviations, Means, F statistic, P value
205.

Reliability of product meansi. Consistency of performance ii. Performance over period iii. Free of technical errors The correct order is

A. i & iii
B. i & ii
C. ii & iii
D. i, ii & iii
Answer» E.
206.

A null hypothesis is rejected if the value of a test statistic lies in the:

A. Rejection region
B. Acceptance region
C. Both (a) and (b)
D. Neither (a) nor (b)
Answer» B. Acceptance region
207.

In a factorial design, a(an) ______________ between independent variables indicates thatthe effect of one independent variable is different at different levels of the other independent variable.

A. main effect
B. factorial effects
C. interaction
D. collaboration
Answer» D. collaboration
208.

If a researcher planned to have 20 participants in each condition of a 2 x 3 independentgroup’s factorial design, how many participants would be needed for this experiment?

A. 40
B. 60
C. 80
D. 120
Answer» E.
209.

Quality control is the technical processes that ______________ the project's progressagainst the performance standards.

A. inspect, certify, and verify
B. examine, analyze, and report
C. inspect, examine, and determine
D. identify, measure, and report
Answer» C. inspect, examine, and determine
210.

If the F-Value calculated from the data is 0.9, the result is statistically significant

A. Always
B. Sometimes
C. Never
D. Illogical Question
Answer» D. Illogical Question
211.

Machine wear and tear is ______________ source of variation.

A. Random
B. Natural
C. Assignable
D. Cannot be determined
Answer» D. Cannot be determined
212.

The taste of burgers across all McDonald outlets should be same. This is an example of______________.

A. Sensory critical to quality Characteristic
B. Physical critical to Quality Characteristic
C. Time Orientation critical to Quality Characteristic
D. None of the above
Answer» B. Physical critical to Quality Characteristic
213.

You can ask direct questions to quiet people'and try to control talkative people", for which of the following purpose?

A. Mobilizing the group
B. Keeping the group focused
C. Restating purpose
D. Starting punctually
Answer» B. Keeping the group focused
214.

How would an interaction be indicated in a line graph? 2/5

A. as parallel lines
B. as intersecting lines
C. as overlapping lines
D. as diagonal lines
Answer» C. as overlapping lines
215.

In a six sigma improvement project the least experienced individuals are:

A. Green Belt
B. Black belts
C. Red Belts
D. Master Black Belts
Answer» B. Black belts
216.

The process of determining that technical processes and procedures are beingperformed in conformance with scope requirements and quality plans is called quality:

A. management
B. assurance
C. process review
D. control
Answer» E.
217.

Suppose box A contains 4 red and 5 blue coins and box B contains 6 red and 3 blue coins. A coin is chosen at random from the box A and placed in box B. Finally, a coin is chosen atrandom from among those now in box B. What is the probability a blue coin was transferred from box A to box B given that the coin chosen from box B is red?

A. 15/29
B. 14/29
C. 1/2
D. 7/10
Answer» B. 14/29
218.

R charts are used for controlling ______________ of a process.

A. Central Tendency
B. Dispersion
C. None of the above
D. Both a and b
Answer» C. None of the above
219.

While the first generation of Six sigma focused on ______________, the third generation ofsix sigma focused on ______________.

A. Variability reduction, creating value
B. Variability reduction, improved business performance
C. Creating value, Improved business performance
D. None of the above
Answer» B. Variability reduction, improved business performance
220.

The concept of rational sub group means that subgroups or samples be selected such that ifassignable causes are present the chances for differences between subgroups will be ______________.

A. minimized
B. maximized
C. neutralized
D. optimized
Answer» C. neutralized
221.

The concept of making a giant leap forward followed by a period of maturity is:

A. Innovation
B. Continuous improvement
C. Just in time
D. Paradigm
Answer» B. Continuous improvement
222.

Apart from Poisson distribution, another distribution that can be applied to events data is:

A. Normal Distribution
B. Geometric Distribution
C. Lognormal Distribution
D. Continuous Distribution
Answer» C. Lognormal Distribution
223.

Juran's Quality trilogy emphasizes the roles of quality planning, quality control and______________

A. Quality Definition
B. Quality enhancement
C. Quality improvement
D. quality maintenance
Answer» D. quality maintenance
224.

Reliability is the degree to which a unit of equipment performs its intended function under______________ for ______________ of time.

A. specified conditions; specified period
B. any condition; specified period
C. specified conditions; all periods
D. any condition; any period
Answer» B. any condition; specified period
225.

The primary components of quality management are quality ______________.

A. inspections, certifications, and validations
B. philosophy, assurance, and control
C. form, fit, and function
D. reliability, maintainability, and availability
Answer» C. form, fit, and function
226.

100% inspection for defects may be neither possible nor desirable, When is sampling for defects likely to be most useful?

A. When destructive testing is required
B. When the cost of 100% inspection is high
C. When we believe there are not many defects
D. A and B
Answer» E.
227.

The majority of advertisers appeal the public on thebasis of which of the following?

A. Quality of product
B. Quality of staff
C. Inferiority of product
D. Inferiority of service
Answer» B. Quality of staff
228.

For a Poisson distribution:

A. The mean is greater than the variance
B. The mean is less than variance
C. The mean is equal to the variance
D. Cannot be determined
Answer» D. Cannot be determined
229.

All of the following statements about control charts are true except:

A. Control charts can be used to establish as well as maintain process control
B. Control charts are used to determine acceptance limits when no limits are stipulated by the product specification; otherwise, one should use the limits dictated by the specification
C. All data points outside the control chart limits are variations explained by
D. B and C
Answer» E.
230.

Quality assurance is defined as the managerial process that determines ______________ that provide the customers with performance standards and feedback onthe performance.

A. time, scope, cost, and resources
B. human resources, dollars, materials, and duration
C. time, location, duration, and completion
D. organization, design, objectives, and resources
Answer» E.
231.

The Pareto Principle is a technique used by quality managers to determine which quality control problems concerning a particular service or manufacturing processshould be corrected. Which of the following statements best represents the philosophy employed by this principle?

A. In order to minimize financial losses from quality control problems, all problems which have a measurable cost associated with them should be corrected
B. The majority of defects are caused by a small percentage of the identifiable problems. Improvement efforts should be reserved for those few vital problems
C. In order to achieve zero defects, all quality control problems, including those which do not have a direct financial cost should be corrected
D. Generally, 80% of the quality control problems are justifiable for correction via cost benefit analysis. The remaining 20% are not financially worthy of improvement efforts
Answer» C. In order to achieve zero defects, all quality control problems, including those which do not have a direct financial cost should be corrected
232.

Zero Defects is an element of the quality management philosophy that is a ______________ for all workers to be achieved ______________.

A. slogan; whenever possible
B. slogan; most of the time
C. standard; at all times
D. standard; whenever possible
Answer» D. standard; whenever possible
233.

Crosby’s approach to management is

A. A problem that can never be solved
B. Absolutes of Quality Management
C. Interim Management
D. ISO
Answer» C. Interim Management
234.

The standards for output based on quality and customer- service requirements thatoriginate at the organizational and process levels include requirements for all of the following EXCEPT:

A. Accuracy
B. Innovation
C. Timeliness
D. Turnover
Answer» E.
235.

Give the F test for the interaction effect of factors A and B.

A. F = (SSABB )/MSE
B. F = (SSA)/MSE + (SSB)/MSE
C. F = (MSA)/MSE + (MSB)/MSE
D. F = (MSAB)/MSE
Answer» E.
236.

Four basic characteristics of an optimal process are:

A. Economy, efficiency, control, quality
B. Quality, Improvement, efficiency, productivity
C. Economy, efficiency, productivity, cost
D. Economy, efficiency, productivity, quality
Answer» E.
237.

What are residuals?

A. Residuals are the differences between the observed and expected dependent variable scores
B. Serendipitous findings
C. Extreme scores
D. Uncontrolled variables
Answer» B. Serendipitous findings
238.

The Operating characteristic curve shows the relationship between the probability ofacceptance (on y axis) and ______________ (on x axis).

A. Proportion defective
B. Proportion acceptable
C. Number of lots
D. Size of lot
Answer» B. Proportion acceptable
239.

The quality management tool that can be described as "a diagram that rank anddisplays defects in order of frequency of occurrence (from left to right)" is a:

A. control chart
B. vertical bar chart
C. histograms
D. Pareto chart
Answer» E.
240.

Mistake proofing of process is done in the ______________ stage of DMAIC.

A. Define
B. Measure
C. Improve
D. Control
Answer» D. Control
241.

An advertising executive is studying television-viewing habits of married men and women during prime time hours. On the basis of past viewing records, the executive has determined that during prime time, husbands are watching television 40% of the time. It has also been determined that when the husband is watching television, 40% of the time the wife is also watching. When the husband is not watching television, 30% of the time the wife is watching television. Find the probability that the wife is watching television in prime time.

A. 0.36
B. 0.35
C. 0.34
D. 0.32
Answer» D. 0.32
242.

You have carried out a Kruskal-Wallis test. There are significant differences between thethree groups you are testing. How might you conduct your pair wise comparisons?

A. Use the Mann Whitney test
B. Use the Wilcox on test
C. Use a t-test
D. None of the above. Post hoc analyses cannot be carried out with non parametric data
Answer» B. Use the Wilcox on test
243.

TQM stands for ______________

A. Total Quality Management
B. Total Quantity Management
C. Total Qualitative Management
D. To question management
Answer» B. Total Quantity Management
244.

The probability distribution function corresponding to tossing of a coin will be a:

A. Probability Density function
B. Probability Mass function
C. Probability Measurement function
D. Probability Cumulative Function
Answer» C. Probability Measurement function
245.

If the value of D4 = 2.547, D3=0, then what is the UCL and LCL for the R chart?

A. UCL=1.5, LCL=.4
B. UCL= 1.2, LCL=.2
C. UCL=1.5, LCL=0
D. UCL=1.6, LCL=0
Answer» E.
246.

How many levels were used for factor B?

A. 1 Level
B. 2 Levels
C. 3 Levels
D. 4 Levels
Answer» D. 4 Levels
247.

A series of consecutive points on the same side of the average is called:

A. Run
B. Trend
C. Outliers
D. Cycle
Answer» B. Trend
248.

CIP is:

A. Continuous improvement process
B. A sustained, gradual change
C. Includes constancy of purpose and commitment to quality as part of its focus
D. all of the above
Answer» E.
249.

The key to quality is to design and build to the requirements and avoid attempts to inspect quality into the product. There is a need, however, to conduct inspections a critical junctures in the assembly process to ensure defective items are identified prior to making a costly interface or concealing a physical attribute that cannot be inspected at a later time. Inspection plan will identify the points at which examinations of processes, materials, or assemblies are required. However, inspection plans normally do not include ______________.

A. examining the vendor's quality procedures
B. examining surfaces
C. testing personnel skills
D. witnessing destructive and nondestructive tests
Answer» E.
250.

The ______________ of a product or service mostly affects its reliability and maintenance characteristics.

A. design
B. concept
C. fabrication
D. performance
Answer» B. concept