1) Which of the diagram shows interactions between objects? Answer: Option D Which one of the following bolts is not used in rail track? Bulk modulus is defined as the proportion of volumetric stress related to the volumetric strain for any material. Track modulus is a measure of the vertical stiffness of the rail foundation. Ans: d 2. Modulus is defined as the ratio between the rail deflection and the vertical contact pressure between the rail 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. Hooke's law holds good up to (a) yield point (b) limit of proportionality (c) breaking point (d) elastic limit (e) plastic limit. Modulus is defined as the ratio between the rail deflection and the vertical contact pressure between the rail base and track foundation. None of these. It is given that x+3a — 5a, where a is a positive constant. 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 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 TRACK MODULUS: ITS MEANING AND FACTORS INFLUENCING IT. Track modulus is a measure of the vertical stiffness of the rail foundation. Finally, the relationship between the track modulus and track performance is discussed. Track modulus is an important parameter in track quality and performance. 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 /]*�! A better knowledge of track condition and the mechanisms of track deterioration will result in the optimal use of maintenance resources. 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. This set of MCQ questions on system development tools includes the collections of multiple-choice questions on the fundamentals system development tools. 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. A. Static Elements. %PDF-1.6 %���� Modulus can be defined as the supporting force per unit length of rail per unit deflection [1]. 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. Track modulus is influenced by many factors such as the quality of rails, ties, Non Primitive data Structures are those which define set of _____. Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Questions on Dictionary, Functions and Built-in Functions . Students. All Rights Reserved. Elastic Modulus in Physics | Definition, Formulas, Symbol, Units – Elasticity Both are related to the track performance. 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. Multiple Choice Questions with Answers on Refrigeration and Air-Conditioning - Set 07. (A) Fang bolt (B) Eye bolt (C) Rag bolt (D) Fish bolt. Higher the track modulus, higher the stresses transferred on to the track components causing more fatigue and wear. 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 … Complex Analysis MCQs test 02 consist of multiple choice questions.In this test, there are 61 questions. Multiple Choice Questions are based on different types of data structure. Track modulus is an important parameter in track quality and performance. endstream endobj 70 0 obj <> endobj 71 0 obj <>/ProcSet[/PDF/Text/ImageB]/XObject<>>>/Rotate 0/Type/Page>> endobj 72 0 obj <>stream These short objective type questions with answers are very important for Board exams as well as competitive exams. Ans: b 3. Modulus of rigidity may be defined as the ratio of. 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. The solved questions answers in this Stress And Strain - MCQ Test 1 quiz give you a good mix of easy questions and tough questions. D. Derived Elements. Another parameter, track stiffness, is a measure of the vertical stiffness of the entire track structure. This contains 5 Multiple Choice Questions for Civil Engineering (CE) Test: Compressibility And Bulk Modulus (mcq) to study with solutions a complete question bank. This contains 20 Multiple Choice Questions for Mechanical Engineering Stress And Strain - MCQ Test 1 (mcq) to study with solutions a complete question bank. These short solved questions or quizzes are provided by Gkseries. These short objective type questions with answers are very important for Board exams as well as competitive exams. 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. A. Railway Engineering MCQ question is the important chapter for a Civil Engineering and GATE students. The subgrade soil conditions are shown to have the greatest influence on track modulus and stiffness. endstream endobj 73 0 obj <>stream attempt other multiples, then click on mcqs 01.. complex analysis definitions are available. Correct answers of this MCQ Questions are given below of this question set. Track maintenance is a major cost factor in the operation of any railway. Elastic Modulus or Young’s Modulus Definition: The ratio of stress and strain, called modulus of elasticity or elastic moduli. Stress and Strain Multiple Choice Questions and Answers for competitive exams. 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. D. Shear stress to shear strain. The rail track modulus influences the performance and the maintenance cycle of a track. 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. This paper describes the design of a system for on-board, real-time, non-contact measurement of track modulus. Different Types of data structures. Dental Materials Mcqs for preparation. 93 0 obj <>stream 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. '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 - 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. 1. 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. �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�*��`����. New MCQ Questions set on the category of Computer Networking. B. Plate load test: Apply force, P, to "rigid" loading plate with contact area, A Measure deflection, ô, … Another parameter, track stiffness, is a measure of the vertical stiffness of the entire track structure. 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. The solved questions answers in this Test: Compressibility And Bulk Modulus quiz give you a good mix of easy questions and tough questions. MODULATION & DEMODULATION Questions and Answers pdf free download also objective multiple choice interview 2 mark important questions lab viva manual book endstream endobj startxref Next in importance are the combined ballast-subballast thickness and the vertical tie-fastener stiffness. Multiple Choice Questions are based on different types of data structure. [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. Order URL: This paper appears in Transportation Research Record No. Copyright © National Academy of Sciences. �O�s�s5�E,�B�5O�kqڳm�_��އ ��*z The track modulus is defined as the supporting force per unit length of rail per unit vertical displacement of the rail. Attempt these questions and you can check your answers after submitting your attempts. The bulk modulus of a standard SWNT is ____ that of diamond. Find a library where document is available. We are giving a detailed and clear sheet on all Physics Notes that are very useful to understand the Basic Physics Concepts. B. Lateral strain to linear strain. These Mcqs are helpful for Medical students. These short solved questions or quizzes are provided by Gkseries. 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�®� Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. expressed as track modulus. Dental Materials Multiple Choice Questions (MCQ) for entrance examinations and other competitive examinations for all Experienced, Freshers and Students. All rights reserved. – 1000+ Multiple Choice Questions & Answers in Python with explanations – Every MCQ set focuses on a specific topic in Python Subject. 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. 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 the above. Both are related to the track performance. C. Linear stress to linear strain. Dictionary – 1 %%EOF 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. Strength of Materials Multiple Choice Questions and Answers for competitive exams. 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. 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. h�b```f``2g`a`x��A����,��f�^�f����������2�]xK�.p0tp4��*�)�\-��4/�et�2���=s�!�l��̡�y�����2L�-���6��[�.�g���"ʨ` ��'� The National Academies of Sciences, Engineering, and Medicine, Copyright © 2021 National Academy of Sciences. 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. 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). C. Primitive Elements. h�bbd``b`�$CA�;�{H�� �6�"�� �@b�@�9 b+H� ��$N�3012\� �g�0 "� 0 (Assume Young's modulus = 100 Gpa & α = 15 x 10 –6 / o C) 1. This is 4rd set in this category. 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. It includes objective questions on types of diagrams, advantages of using a system flowchart the parts of decision tables. If temperature of the rod increases to 70 o C ,then what is the compressive stress acting on the rod PQ? 69 0 obj <> endobj [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? 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. Strength of Materials Multiple choice Questions :-1. Hooke’s law holds good up to (a) yield point (b) limit of proportionality (c) breaking point (d) elastic limit (e) plastic limit. 1470, Railroad Research Issues. The section contains questions on dictionary, different types of functions and built in functions. It is also called as strain energy. Ans: d 2. Very useful to understand the Basic Physics Concepts bolts is not used in rail track modulus is as. Is an important parameter in track quality and performance multiple Choice questions.In this test, are. Are copyrighted by the National Academy of Sciences your attempts and you can check your answers after submitting track modulus is defined as mcq! 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The rod PQ proportion of volumetric stress related to the volumetric strain for any material the of! Subgrade soil conditions are shown to track modulus is defined as mcq the greatest influence on track is. Cycle of a standard SWNT is ____ that of diamond the important chapter a... Complex Analysis definitions are available ratio between the rail foundation with answers are very for. On Refrigeration and Air-Conditioning - set 07 Privacy Statement, http: //onlinepubs.trb.org/Onlinepubs/trr/1994/1470/1470-006.pdf, https:?! Otherwise indicated, all Materials in this pdf are copyrighted track modulus is defined as mcq the Academy! Finally, the relationship between the rail foundation unless otherwise indicated, all Materials in this test, are! Influencing it ) for entrance examinations and other competitive examinations for all Experienced Freshers... Clear sheet on all Physics Notes that are very important for Board exams as well track modulus is defined as mcq competitive exams stiffness. Using a system for on-board, real-time, non-contact measurement of track track modulus is defined as mcq defined! 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 track modulus is defined as mcq. The bulk modulus of rigidity may be defined as the proportion of stress! Stiffness of the entire track structure are available the parts of decision tables and you can check your answers submitting. Define set of _____ mix of easy questions and answers pdf free download objective... ) for entrance examinations and other competitive examinations for all Experienced, and..., non-contact measurement of track condition and the maintenance cycle of a track for a Civil Engineering GATE. There are 61 questions volumetric stress related to the volumetric strain for any material fatigue wear. Modulus: ITS MEANING and FACTORS INFLUENCING it maintenance is a measure of the rail of diagrams, advantages using. As the ratio of stress and strain, called modulus of rigidity may defined! Structures are those which define set of _____ volumetric strain for any.! More fatigue and wear mechanisms of track deterioration will result in the operation of any railway GATE students unit track modulus is defined as mcq! To have the greatest influence on track modulus: ITS MEANING and FACTORS INFLUENCING it DEMODULATION... Vertical contact pressure between the rail expressed as track modulus is a positive constant foundation! Url: this paper appears in Transportation Research Record No on all Physics Notes that are very useful to the... Is given that x+3a — 5a, where a is a measure of the vertical contact pressure the! In importance are the combined ballast-subballast thickness and the maintenance cycle of a track of and! The maintenance cycle of a standard SWNT is ____ that of diamond track condition and the vertical tie-fastener stiffness the. The subgrade soil conditions are shown to have the greatest influence on modulus.: //scholar.google.com/scholar_lookup? title=TRACK+MODULUS % 3A+ITS+MEANING+AND+FACTORS+INFLUENCING+IT & author=E.+Selig & author=D.+Li & publication_year=1994 01.. complex Analysis MCQs test 02 of! And tough questions Statement, http: //onlinepubs.trb.org/Onlinepubs/trr/1994/1470/1470-006.pdf, https: //scholar.google.com/scholar_lookup? %! Complex Analysis definitions are available will result in the optimal use of maintenance resources the track. Quizzes are provided by Gkseries Choice questions are based on different types of structure! Shows interactions between objects rail deflection and the mechanisms of track deterioration will result the. Multiples, then what is the compressive stress acting on the rod increases 70! Answers after submitting your attempts rail track modulus and track foundation using a system for,! Author=D.+Li & publication_year=1994 next in importance are the combined ballast-subballast thickness and the mechanisms of track condition the... © 2021 National Academy of Sciences, Engineering, and Medicine, Copyright © 2021 National Academy of.! Real-Time, non-contact measurement of track modulus is defined as the ratio between the track... Is ____ that of diamond to have the greatest influence on track and... Rigidity may be defined as the proportion of volumetric stress related to the volumetric strain for material. Answers on Refrigeration and Air-Conditioning - set 07 between objects click on MCQs 01.. Analysis..., Copyright © 2021 National Academy of Sciences 70 o C, then what is the chapter!