Explore topic-wise MCQs in Unit Processes.

This section includes 2114 Mcqs, each offering curated multiple-choice questions to sharpen your Unit Processes knowledge and support exam preparation. Choose a topic below to get started.

1.

The 3 sigma limits on x bar control charts imply that the type I error probability is __________

A. 0.0012
B. 0.0072
C. 0.0027
D. 0.0037
Answer» D. 0.0037
2.

Never attempt to interpret the x chart when the R chart indicates the out of control condition.

A. True
B. False
Answer» B. False
3.

Stratification of points on a control chart indicates __________ of natural variability of the process.

A. Lack
B. Increase
C. Constancy
D. Randomness
Answer» B. Increase
4.

Stratification is defined as ________

A. Tendency for the points to cluster artificially around the center line
B. Shift in the process level
C. Continuous movement of points in one direction
D. When the points fall near or slightly outside the control limits
Answer» B. Shift in the process level
5.

Shift in process level can be seen on the control charts when __________

A. Operator fatigue occurs
B. Temperature changes
C. Over-control of process
D. New workers introduction
Answer» E.
6.

Which of these is a cause of trend patterns on a control chart?

A. Gradual wearing out of some critical process component
B. Operator fatigue
C. Environmental changes
D. Over-control
Answer» B. Operator fatigue
7.

Which chart should be interpreted first when both, x chart, and R chart are indicating a non-random behavior?

A. x chart
B. R chart
C. X and R chart
D. Trial Limits
Answer» C. X and R chart
8.

The control limits obtained by specifying the type I error level for the test, are called ________

A. Probability limits
B. Trial limits
C. Error limits
D. Unreliable limits
Answer» B. Trial limits
9.

When using standard values of process mean and standard deviation, the equation of UCL for a x chart is given as, UCL = μ+AσWhat is the value of A here?

A. 6/√n
B. 3/√n
C. √n/6
D. √n/3
Answer» C. √n/6
10.

Unlike x chart, which measures between-sample variability only, an R chart is used to monitor ____

A. Both between-sample variability and within-sample variability
B. Within-sample variability only
C. Between-sample variability only
D. Neither between-sample variability nor within-sample variability
Answer» C. Between-sample variability only
11.

X bar chart monitors __________

A. Between-sample variability
B. Within-sample variability
C. Neither between-sample nor within-sample variability
D. Both between-sample variability and within-sample variability
Answer» B. Within-sample variability
12.

When the upper and lower natural tolerance limits are equal to the upper and lower specification limits, the process capability ratio, cp is ________

A. Greater than 1
B. 0
C. Less than 1
D. Equal to 1
Answer» E.
13.

When R chart is out of control, we __________

A. Eliminate the out-of-control points and recalculate the control limits
B. Take one more sample and recalculate the control limits
C. Eliminate the out-of-control points and the nearest two points, and recalculate the control limits
D. Take no action
Answer» B. Take one more sample and recalculate the control limits
14.

Once a set of reliable control limits is obtained, we use the control chart for monitoring future production. This is called __________

A. Phase I control chart usage
B. Phase II control chart usage
C. Phase III control chart usage
D. Phase IV control chart usage
Answer» C. Phase III control chart usage
15.

Let us consider phone_number ,which can take single or several values . Treating phone_numberas an _________ permits instructors to have several phone numbers (including zero) associated with them.

A. Entity
B. Attribute
C. Relation
D. Value
Answer» B. Attribute
16.

Which of the following property defines the resampling method to use when stretching images?

A. interpolation-mode
B. image-rendering
C. ime-mode
D. layout-grid
Answer» C. ime-mode
17.

Which of the following property is used to apply visual effects to associated elements.

A. Alpha
B. BasicImage
C. Filter
D. Blur
Answer» D. Blur
18.

Which of the following property defines the width of a rule between columns in a multicolumn text flow?

A. column-rule-style
B. column-width
C. column-rule-width
D. columns
Answer» D. columns
19.

Which of the following property defines the gap between columns in a multicolumn text flow?

A. column-rule-flow
B. column-gap
C. column-rule
D. none of the mentioned
Answer» C. column-rule
20.

Which of the following property is used to control column element breaks after an associated element when flowing multicolumn text?

A. column-break
B. column-break-after
C. column-break-before
D. multicolumn-break-after
Answer» C. column-break-before
21.

Behaviour of elastomer materials is dependent on temperature.

A. True
B. False
Answer» B. False
22.

Erosion mechanism in elastomer materials is based on fatigue.

A. True
B. False
Answer» B. False
23.

The erosion mechanism of rubber-like materials is same as that of brittle materials and ductile materials.

A. True
B. False
Answer» C.
24.

Performance of the AJMM process is dependent on the quality of the mask.

A. True
B. False
Answer» B. False
25.

Which feature allows open recursion, among the following?

A. Use of this pointer
B. Use of pointers
C. Use of pass by value
D. Use of parameterized constructor
Answer» B. Use of pointers
26.

Which of the two features match each other?

A. Inheritance and Encapsulation
B. Encapsulation and Polymorphism
C. Encapsulation and Abstraction
D. Abstraction and Polymorphism
Answer» D. Abstraction and Polymorphism
27.

Which header file is required in C++ to use OOP?

A. iostream.h
B. stdio.h
C. stdlib.h
D. OOP can be used without using any header file
Answer» E.
28.

Which concept of OOP is false for C++?

A. Code can be written without using classes
B. Code must contain at least one class
C. A class must have member functions
D. At least one object should be declared in code
Answer» C. A class must have member functions
29.

Why Java is Partially OOP language?

A. It supports usual declaration of primitive data types
B. It doesn’t support all types of inheritance
C. It allows code to be written outside classes
D. It does not support pointers
Answer» B. It doesn’t support all types of inheritance
30.

When OOP concept did first came into picture?

A. 1970’s
B. 1980’s
C. 1993
D. 1995
Answer» B. 1980’s
31.

How many classes can be defined in a single program?

A. Only 1
B. Only 100
C. Only 999
D. As many as you want
Answer» E.
32.

Which language does not support all 4 types of inheritance?

A. C++
B. Java
C. Kotlin
D. Small Talk
Answer» C. Kotlin
33.

Which Feature of OOP illustrated the code reusability?

A. Polymorphism
B. Abstraction
C. Encapsulation
D. Inheritance
Answer» E.
34.

Pure OOP can be implemented without using class in a program. (True or False)

A. True
B. False
C.
Answer» C.
35.

Which is not feature of OOP in general definitions?

A. Code reusability
B. Modularity
C. Duplicate/Redundant data
D. Efficient Code
Answer» D. Efficient Code
36.

What is the additional feature in classes that was not in structures?

A. Data members
B. Member functions
C. Static data allowed
D. Public access specifier
Answer» C. Static data allowed
37.

Who invented OOP?

A. Alan Kay
B. Andrea Ferro
C. Dennis Ritchie
D. Adele Goldberg
Answer» B. Andrea Ferro
38.

Which of the following best defines a class?

A. Parent of an object
B. Instance of an object
C. Blueprint of an object
D. Scope of an object
Answer» D. Scope of an object
39.

Which was the first purely object oriented programming language developed?

A. Java
B. C++
C. SmallTalk
D. Kotlin
Answer» D. Kotlin
40.

Rotatable cylinders are provided in the ceiling of a studio in order to obtain variable __________

A. Amplitude
B. Frequency
C. Reverberation time
D. Intensity
Answer» D. Intensity
41.

The interior surfaces of walls in a studio should be of ________ materials.

A. Absorbent
B. Adsorbent
C. Reflective
D. Refractive
Answer» B. Adsorbent
42.

In the acoustical design of a studio, the ratio of height, breadth and length of the studio should be _________

A. 1:3:5
B. 2:3:5
C. 1:3:7
D. 2:3:7
Answer» C. 1:3:7
43.

The auditorium rear wall should be concave in shape.

A. True
B. False
Answer» C.
44.

The average height for small halls should be _________

A. 3 m
B. 6 m
C. 8 m
D. 10 m
Answer» C. 8 m
45.

The recommended volume for a public lecture hall is ___________

A. 1.5-2.5 m3 per person
B. 2.5-3.5 m3 per person
C. 3.5-4.5 m3 per person
D. 5.5-6.5 m3 per person
Answer» D. 5.5-6.5 m3 per person
46.

In a studio, the noise level should be brought down to ___________

A. 5-10 dB
B. 10-15 dB
C. 20-30 dB
D. 50-60 dB
Answer» D. 50-60 dB
47.

The width of the seats in an auditorium should be between __________

A. 10-15 cm
B. 13-21 cm
C. 26-37 cm
D. 45-56 cm
Answer» E.
48.

For lecture halls, large volumes are beneficial for weak sounds.

A. True
B. False
Answer» C.
49.

In the acoustical design of a hall or an auditorium, the angle between the side walls and the curtain line should not be more than _________ degrees.

A. 20
B. 150
C. 100
D. 180
Answer» D. 180
50.

Geothermal power plants are very good sources for baseload power.Note – Baseload power is power that electric utility companies must deliver all day long.

A. True
B. False
Answer» B. False