B. Lateral strain to linear strain. Answer: Option D Ans: d 2. Non Primitive data Structures are those which define set of _____. Track modulus is an important parameter in track quality and performance. Finally, the relationship between the track modulus and track performance is discussed. These short solved questions or quizzes are provided by Gkseries. Questions on Dictionary, Functions and Built-in Functions . We are giving a detailed and clear sheet on all Physics Notes that are very useful to understand the Basic Physics Concepts. C. Linear stress to linear strain. All rights reserved. In much simpler words, the bulk modulus is nothing but a numerical constant that is used to measure and describe the elastic properties of a solid or a fluid when pressure is applied. H��W�n�F�3�b�"^��RlKM�v,�K����V�E9$�������"�a�gΞ9svv����a�E�������z_\/���S�p������~B $p�e6X Č�F"� &���.��O���ݏ�=��c]\�~�����b�@nmn�"�(����AlR���+��"�4�;��}E�g ��P`�9�O�����b�C�A�H��vH-6HH���PV�,DC4P�h3� ��)o�Dn�tbGC�Sq[�%��E�[� Ԣr�8*[�1O���p�����ūry����,o�������ap` ��!�������fy�~Q>Db��r�����y鉭��K��ћ7�w�fqo����PX�:�s�T*l&$��$��CnĆ��X4SL�`�Q2��0���`B{(��B��c�]>�%���A�JY�D����'>�ʢ��������B�!k�bȢ��[��ʿ��u�E��}]5�揓\���V�U��y�V��ئ��R��CۍȾ�+*15~M�7��cݬ /]*�! This is 4rd set in this category. C. Primitive Elements. The bulk modulus of a standard SWNT is ____ that of diamond. Track modulus is a measure of the vertical stiffness of the rail foundation. The solved questions answers in this Stress And Strain - MCQ Test 1 quiz give you a good mix of easy questions and tough questions. Modulus of sub rade reaction The modulus of subgrade reaction, ICs, is defined as the slope of the soil pressure versus deflection relationship from a plate load test (PLT). A. Static Elements. So, the logical value of force to be used in extracting a track modulus from data such as is shown in Fig.3.1, is the nominated maximum axle load for the track. Another parameter, track stiffness, is a measure of the vertical stiffness of the entire track structure. The functions f and g are defined for all real values of x by f(x) = 2x + a +3a and where a is a positive constant. MODULATION & DEMODULATION Questions and Answers pdf free download also objective multiple choice interview 2 mark important questions lab viva manual book The section contains questions on dictionary, different types of functions and built in functions. These short solved questions or quizzes are provided by Gkseries. This paper describes the design of a system for on-board, real-time, non-contact measurement of track modulus. Plate load test: Apply force, P, to "rigid" loading plate with contact area, A Measure deflection, ô, … Strain is defined as the ratio of (a) change in volume to original volume (b) change in length to original length (c) change in cross-sectional area to original cross-sectional area (d) any one of the above (e) none of the above. The National Academies of Sciences, Engineering, and Medicine, Copyright © 2021 National Academy of Sciences. Different Types of data structures. Here are the collections of MCQ questions on data transmission techniques includes multiple-choice questions on the fundamentals of data transmission techniques used on the data transmission layer. 0 Modulus is defined as the ratio between the rail deflection and the vertical contact pressure between the rail base and track foundation. A. The track foundation modulus, u, commonly termed the track mod­ ulus, is defined as the supporting force per unit length of rail per unit deflection, that is, Department of Civil and Environmental Engineering, 28B Marston Hall, Box 35205, University of Massachusetts, Amherst, Mass. Modulus is defined as the ratio between the rail deflection and the vertical contact pressure between the rail Complex Analysis MCQs test 02 consist of multiple choice questions.In this test, there are 61 questions. Stress and Strain Multiple Choice Questions and Answers for competitive exams. - The formula used to calculate proof resilience = (σ 2 / 2E) x volume Modulus of resilience: It is defined as the proof resilience per unit volume. Linear stress to lateral strain. Strain is defined as the ratio of (a) change in volume to original volume (b) change in length to original length (c) change in cross-sectional area to original cross-sectional area (d) any one of the above (e) none of … None of these. '4���v6��4� ����,��=��� �fAH�/��dUJ1�\�4�A.�!������h����W��wCw���Qa�T7�I� E�pL6Û-�=��O�`�,�*L't?,�6O�dM։B,��] F� �����OT3�Z�T��]4�����UU�a�X�V�������J��Rjp�w؎�0~�:es����#,��0���m�[W���L-bL��ۦ��� V�Њo�Ɉuͼ̓ x AREMA supports those pursuing college level courses of study related to the engineering and/or technical aspects of the railway industry through student membership, scholarship opportunities and involvement in student chapters at many universities across the United States and Canada. If temperature of the rod increases to 70 o C ,then what is the compressive stress acting on the rod PQ? The solved questions answers in this Test: Compressibility And Bulk Modulus quiz give you a good mix of easy questions and tough questions. 69 0 obj <> endobj D. Derived Elements. �x��n�He|/Ө��ͦ��I9`(s�`s��۝`a�� �)�� v��M�I8����j_�u�z�_܆��Xq}> �#�[y����x.a�=D�>sE���W�_&.�JH+�i�f�a���/z������:����#��RIE�>��;Gww��'l���ѩк�wmA�z֧LM��Pp7�uzf� t�,9|pC[?W}�ɬ.�&C_�=sR_�v��X%�nd*�{��|�PiCOt����Z���u&F��ҕ5�U�>Aw�v�O�f'v*�3JAR�_�×ݦ7�|�VT��&�_������u�*��`����. B. Strength of Materials Multiple choice Questions :-1. 1) Which of the diagram shows interactions between objects? (Assume Young's modulus = 100 Gpa & α = 15 x 10 –6 / o C) The rail track modulus influences the performance and the maintenance cycle of a track. Modulus can be defined as the supporting force per unit length of rail per unit deflection [1]. 1. Check important multiple-choice questions (MCQs) with answers for CBSE Class 12 Maths board exam 2020 & prepare for the upcoming CBSE Maths board exam 2020. These short objective type questions with answers are very important for Board exams as well as competitive exams. Dental Materials Mcqs for preparation. hެ�_k�0ſ�}t����������nć���@�tMs�~i�̇M(����;��2(�.��փ�π1�z����P�:t���z�JPhp(�d�!�lw�N�yk�>%�xd*���ۚھU�cc��0Ǥ���}\ y��e�>�I��'C����q���V��V��ZJ��:T�K-+�tv00��b����8�,ʠ"�,�lV�X�VdD��� �cƕ��a*�xC��̱��7h2Y5ɾ ��1�����ZPG=|)Y��46{3�jm~�nȭHdj�τ���r������6�/~K^�j7�®� Next in importance are the combined ballast-subballast thickness and the vertical tie-fastener stiffness. Hooke’s law holds good up to (a) yield point (b) limit of proportionality (c) breaking point (d) elastic limit (e) plastic limit. Elastic Modulus in Physics | Definition, Formulas, Symbol, Units – Elasticity In order to provide a basis for assessing and modifying track performance, the definitions of track modulus and track stiffness are reviewed, and four methods of determining track modulus or track stiffness are discussed. Bulk modulus is defined as the proportion of volumetric stress related to the volumetric strain for any material. Track modulus is influenced by many factors such as the quality of rails, ties, These Mcqs are helpful for Medical students. attempt other multiples, then click on mcqs 01.. complex analysis definitions are available. An on-board, noncontact measurement system and method is disclosed for measuring track quality, vertical track stiffness and vertical track modulus for a portion of track underlying the rail vehicle. It is also called as strain energy. Ans: b 3. Terms of Use and Privacy Statement, http://onlinepubs.trb.org/Onlinepubs/trr/1994/1470/1470-006.pdf, https://scholar.google.com/scholar_lookup?title=TRACK+MODULUS%3A+ITS+MEANING+AND+FACTORS+INFLUENCING+IT&author=E.+Selig&author=D.+Li&publication_year=1994. Track modulus is generally used together with a nominated maximum axle load for a section of track, when designing the track structure, or when predicting its rate of degradation. expressed as track modulus. h�bbd``b`�$CA�;�{H�� �6�"�� �@b�@�9 b+H� ��$N�3012\� �g�0 "� New MCQ Questions set on the category of Computer Networking. Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Page-3 section-1 Learn Railway Engineering MCQ questions & answers are available for a Civil Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. endstream endobj startxref This contains 5 Multiple Choice Questions for Civil Engineering (CE) Test: Compressibility And Bulk Modulus (mcq) to study with solutions a complete question bank. Strain is defined as the ratio of (a) change in volume to original volume (b) change in length to original length (c) change in cross-sectional area to original cross-sectional area (d) any one of the above (e) none of the above. Multiple Choice Questions with Answers on Refrigeration and Air-Conditioning - Set 07. [A] less than [B] greater than [C] equal to [D] less than or equal to; How much current can be passed through 1 cm 2 cross-section of a metal nanotube? endstream endobj 70 0 obj <> endobj 71 0 obj <>/ProcSet[/PDF/Text/ImageB]/XObject<>>>/Rotate 0/Type/Page>> endobj 72 0 obj <>stream Young's modulus is defined as the ratio of (A) Volumetric stress and volumetric strain (B)... Engineering Drawing MCQ Practice Test - Set 01 Practice Test: Question Set - 01 1. Modulus of resilience is the ratio of _____ Discussion; Sravanthi -Posted on 24 Nov 15 Proof resilience: It is the maximum strain energy which is stored within elastic limit. This contains 20 Multiple Choice Questions for Mechanical Engineering Stress And Strain - MCQ Test 1 (mcq) to study with solutions a complete question bank. Higher the track modulus, higher the stresses transferred on to the track components causing more fatigue and wear. The subgrade soil conditions are shown to have the greatest influence on track modulus and stiffness. Attempt these questions and you can check your answers after submitting your attempts. %%EOF Students. The track modulus is defined as the supporting force per unit length of rail per unit vertical displacement of the rail. Copyright © National Academy of Sciences. Correct answers of this MCQ Questions are given below of this question set. [A] 10-9 A [B] 10 9 A [C] 1000 A [D] 0.001 A; The electrical conductivity of a nanotube is ____ times that of copper. 121 131 151 (i) (ii) (iii) State the range of f and the range of g. State why f has no inverse, and find an expression for g Solve for x the equation gf(x) = 3 la. – 1000+ Multiple Choice Questions & Answers in Python with explanations – Every MCQ set focuses on a specific topic in Python Subject. Track modulus is an important parameter in track quality and performance. Which one of the following bolts is not used in rail track? As usual in this set, you will get 10 Multiple Choice Questions related to Computer Networking and four options for each questions having only one correct option. Find a library where document is available. h�b```f``2g`a`x��A����,��f�^�f����������2�]xK�.p0tp4��*�)�\-��4/�et�2���=s�!�l��̡�y�����2L�-���6��[�.�g���"ʨ` ��'� Track Modulus, u or k, Typical Values • Well maintained wood tie track, ≈3000 lb/in/in • Concrete tie track, ≈6000 lb/in/in • Wood tie track after tamping, ≈1000 lb/in/in • Wood tie track with frozen ballast/subgrade, ≈9000 lb/in/in • Track on Ballasted Concrete Bridge Deck, ≈8000 to 12000 lb/in/in Dental Materials Multiple Choice Questions (MCQ) for entrance examinations and other competitive examinations for all Experienced, Freshers and Students. It is given that x+3a — 5a, where a is a positive constant. These short objective type questions with answers are very important for Board exams as well as competitive exams. 1470, Railroad Research Issues. 84 0 obj <>/Filter/FlateDecode/ID[<565D93883C53EE4AA70A15153E07BB16><500FAB121A2F4E40B6AF441B184FD925>]/Index[69 25]/Info 68 0 R/Length 79/Prev 694234/Root 70 0 R/Size 94/Type/XRef/W[1 2 1]>>stream 93 0 obj <>stream All Rights Reserved. Ans: d 2. Order URL: This paper appears in Transportation Research Record No. Both are related to the track performance. Both are related to the track performance. This set of MCQ questions on system development tools includes the collections of multiple-choice questions on the fundamentals system development tools. endstream endobj 73 0 obj <>stream Modulus of rigidity may be defined as the ratio of. (A) Fang bolt (B) Eye bolt (C) Rag bolt (D) Fish bolt. TRACK MODULUS: ITS MEANING AND FACTORS INFLUENCING IT. Track modulus is a measure of the vertical stiffness of the rail foundation. Dictionary – 1 Hooke's law holds good up to (a) yield point (b) limit of proportionality (c) breaking point (d) elastic limit (e) plastic limit. 6) In a circuit box, a copper rod at room temperature of 25 o C has a gap of 0.3 mm between the end of the rod Q and the rigid wall. Multiple Choice Questions are based on different types of data structure. %PDF-1.6 %���� Elastic Modulus or Young’s Modulus Definition: The ratio of stress and strain, called modulus of elasticity or elastic moduli. �O�s�s5�E,�B�5O�kqڳm�_��އ ��*z A better knowledge of track condition and the mechanisms of track deterioration will result in the optimal use of maintenance resources. Track maintenance is a major cost factor in the operation of any railway. It includes objective questions on types of diagrams, advantages of using a system flowchart the parts of decision tables. Strength of Materials Multiple Choice Questions and Answers for competitive exams. 1. Multiple Choice Questions are based on different types of data structure. D. Shear stress to shear strain. Railway Engineering MCQ question is the important chapter for a Civil Engineering and GATE students. On the basis of analysis with a track structure model, the effects of superstructure and substructure factors influencing track modulus are illustrated and the means of altering track modulus are suggested. Another parameter, track stiffness, is a measure of the vertical stiffness of the entire track structure. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. 61 questions use and Privacy Statement, http: //onlinepubs.trb.org/Onlinepubs/trr/1994/1470/1470-006.pdf, https: //scholar.google.com/scholar_lookup? title=TRACK+MODULUS % 3A+ITS+MEANING+AND+FACTORS+INFLUENCING+IT & &... C, then what is the important chapter for a Civil Engineering and students... 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A is a major cost factor in the operation of any railway on-board, real-time, non-contact of! Set 07 important parameter in track quality and performance MCQs test 02 consist of multiple Choice and... Are those which define set of _____ have the greatest influence on track is. Primitive data Structures are those which define set of _____ deflection and vertical! Meaning and FACTORS INFLUENCING it answers after submitting your attempts National Academies of Sciences Engineering. There are 61 questions 2021 National Academy of Sciences quiz give you a good mix of easy and! The parts of decision tables: //scholar.google.com/scholar_lookup? title=TRACK+MODULUS % 3A+ITS+MEANING+AND+FACTORS+INFLUENCING+IT & author=E.+Selig & &! Of using a system flowchart the parts of decision tables for on-board, real-time, non-contact measurement of track:! As track modulus is an important parameter in track quality and performance, http //onlinepubs.trb.org/Onlinepubs/trr/1994/1470/1470-006.pdf. 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Modulus is defined as the ratio between the rail deflection and the vertical stiffness of the stiffness. Performance is discussed 1 ) which of the following bolts is not used in rail track better! Competitive examinations for all Experienced, Freshers and students built in functions stiffness, is a of. 2 mark important questions lab viva manual book 1 causing more fatigue and.. Is defined as the proportion of volumetric stress related to the track modulus is defined the...