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Questions and Answers
What is the design strength of concrete in flexural compression?
What is the design strength of concrete in flexural compression?
What factor is used to determine the permissible compressive stress in concrete?
What factor is used to determine the permissible compressive stress in concrete?
Which value represents the partial factor of safety applied to the concrete compressive strength?
Which value represents the partial factor of safety applied to the concrete compressive strength?
If the characteristic strength of concrete cube is represented as fck, what is the characteristic strength of concrete in an actual structure?
If the characteristic strength of concrete cube is represented as fck, what is the characteristic strength of concrete in an actual structure?
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What is the final compressive stress value after applying the factor of safety to the permissible compressive stress?
What is the final compressive stress value after applying the factor of safety to the permissible compressive stress?
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What is the purpose of a contour map in surveying?
What is the purpose of a contour map in surveying?
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Which of the following is NOT a principle of concrete mix design?
Which of the following is NOT a principle of concrete mix design?
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In computer-aided design (CAD), which command is typically used to create a new drawing?
In computer-aided design (CAD), which command is typically used to create a new drawing?
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What is the primary factor that significantly affects the shear strength of soil?
What is the primary factor that significantly affects the shear strength of soil?
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Which type of concrete is specifically designed for enhanced durability and performance under extreme conditions?
Which type of concrete is specifically designed for enhanced durability and performance under extreme conditions?
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Which surveying method involves the use of a prismatic compass for measuring bearings?
Which surveying method involves the use of a prismatic compass for measuring bearings?
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Which method is commonly used for establishing grade contours during contouring?
Which method is commonly used for establishing grade contours during contouring?
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Which of the following items is included as a topic under the syllabus for Civil & Allied Engineering Exam Group – JE?
Which of the following items is included as a topic under the syllabus for Civil & Allied Engineering Exam Group – JE?
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What is the focus of the syllabus topic titled 'Construction of superstructure'?
What is the focus of the syllabus topic titled 'Construction of superstructure'?
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What is the main use of waterproofing in concrete construction?
What is the main use of waterproofing in concrete construction?
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Which material is classified under masonry materials in the syllabus?
Which material is classified under masonry materials in the syllabus?
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What type of structural component is discussed under 'Building components' in the syllabus?
What type of structural component is discussed under 'Building components' in the syllabus?
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Which of the following techniques is associated with building maintenance in the context of cracks?
Which of the following techniques is associated with building maintenance in the context of cracks?
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What does the topic 'Building finishes' cover according to the syllabus?
What does the topic 'Building finishes' cover according to the syllabus?
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Which type of masonry is explicitly mentioned as part of the 'Construction of superstructure'?
Which type of masonry is explicitly mentioned as part of the 'Construction of superstructure'?
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What is one of the factors that will be addressed under the 'Construction of substructure' topic?
What is one of the factors that will be addressed under the 'Construction of substructure' topic?
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What is the primary focus of hydraulics in engineering?
What is the primary focus of hydraulics in engineering?
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In the context of irrigation engineering, what does reservoir planning typically involve?
In the context of irrigation engineering, what does reservoir planning typically involve?
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What is a significant advantage of using ready mix concrete in construction?
What is a significant advantage of using ready mix concrete in construction?
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What is the primary purpose of the Civil Engineering Practice book for RRB-JE Examination?
What is the primary purpose of the Civil Engineering Practice book for RRB-JE Examination?
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Which type of estimate is generally used for feasibility studies in construction projects?
Which type of estimate is generally used for feasibility studies in construction projects?
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What is a significant consideration when designing steel structures?
What is a significant consideration when designing steel structures?
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Which method is commonly used in the design of concrete structures to ensure safety?
Which method is commonly used in the design of concrete structures to ensure safety?
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How many multiple choice questions (MCQs) does the practice book contain?
How many multiple choice questions (MCQs) does the practice book contain?
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What characteristic of artificial timber makes it preferable in certain applications?
What characteristic of artificial timber makes it preferable in certain applications?
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What do shear forces and bending moments primarily relate to in structural mechanics?
What do shear forces and bending moments primarily relate to in structural mechanics?
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Which advanced concreting method is specifically used when working below water?
Which advanced concreting method is specifically used when working below water?
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In what year was the first edition of the Civil Engineering Practice book published?
In what year was the first edition of the Civil Engineering Practice book published?
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Which factor is essential for the analysis and design of T beams in concrete structures?
Which factor is essential for the analysis and design of T beams in concrete structures?
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Who is credited with the founding role of MADE EASY Publications?
Who is credited with the founding role of MADE EASY Publications?
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What does the term 'soil reinforcing techniques' primarily refer to?
What does the term 'soil reinforcing techniques' primarily refer to?
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What is one of the fundamental aspects of Transportation Engineering related to railway engineering?
What is one of the fundamental aspects of Transportation Engineering related to railway engineering?
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What does MADE EASY Publications recommend concerning reporting errors in the book?
What does MADE EASY Publications recommend concerning reporting errors in the book?
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Which type of engineering contract typically involves a fixed price for the entire project?
Which type of engineering contract typically involves a fixed price for the entire project?
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Which of the following describes the focus of the MCQs in the practice book?
Which of the following describes the focus of the MCQs in the practice book?
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What is the primary function of hoisting and conveying equipment in construction?
What is the primary function of hoisting and conveying equipment in construction?
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What is a primary concern in Environmental Engineering regarding domestic sewage?
What is a primary concern in Environmental Engineering regarding domestic sewage?
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What is typically included in tender documents for engineering contracts?
What is typically included in tender documents for engineering contracts?
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What can be inferred about the reprint of the practice book in 2023?
What can be inferred about the reprint of the practice book in 2023?
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What kind of responsibility does MADE EASY Publications claim regarding inaccuracies in the book?
What kind of responsibility does MADE EASY Publications claim regarding inaccuracies in the book?
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Study Notes
Concrete Compressive Stress
- The permissible compressive stress in concrete is 0.67 fck.
- A partial factor of safety (FOS) of 1.5 is applied.
- The final stress is 0.45 fck.
Design Strength of Concrete
- For design purposes, the compressive strength of concrete is assumed to be 0.67 times the characteristic strength.
- The partial factor of safety of 1.5 must be applied in addition to this.
- Characteristic strength of concrete (fck) is used as a measure of the strength of concrete.
- Characteristic strength of concrete in a real structure is 0.67 fck.
- Design strength of concrete in flexural compression is 0.67 fck / 1.5 which equals 0.45 fck.
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Description
This quiz covers the concepts of permissible compressive stress and design strength of concrete. It focuses on the relationship between characteristic strength and the effects of partial safety factors in concrete design. Test your knowledge on these fundamental aspects of structural engineering.
