nptel tribology mcq answers

(C) C. Accumulator for timer 6 in file 4. From given input-output pairs pattern recognition model should capture characteristics of the system? It occurs due to repeated loading of the tooth surface. A. Stribeck curve relates coefficient of friction to applied load. D. At low temperature due to freezing action rate of junction growth increases. NPTEL provides E-learning through online Web and Video courses various streams. So, kindly read all the options and then answer the question. E-Certificate will be given to those who register and write the exam and score greater than or equal to 40% final score. A. Accumulator for timer 4 in file 6. D. Remove residue from the operating surfaces. Question 6: When two surfaces are pressed together by a load, which of the following properties of soft material will affect the coefficient of friction between them ? Digital Image is composed of tiny areas known as pixels.… Read More » AICTE Basics of Remote sensing, GIS & GNSS technology and their applications Module 1 Assessment Answers And Solutions by Dr. Poonam S. Tiwari , … NPTEL Video Lectures, IIT Video Lectures Online, NPTEL Youtube Lectures, Free Video Lectures, NPTEL Online Courses, Youtube IIT Videos NPTEL Courses. Increase in tangential force increases the real area of contact. Answer:-A,D,E,F. NPTEL Internet of Things MCQs Most frequently asked questions. B. Increase in interface shear strength decreases the growth of the junction. B. Preset value of timer 6 in file 4. A. C. Bulk liquid properties of the lubricant play negligible part in friction and wear behaviour. (D), Question 4: Molecular attraction between metals result in, (A) Q2. (B) Identify the examples of the soft skills. It will have the logos of NPTEL and IIT Roorkee. Increase in tangential force increases the real area of contact. Learn for free, Pay a small fee for exam and get a certificate. Introduction to Research 3. D. Accumulator for counter 6 in file 4. NPTEL provides E-learning through online Web and Video courses various streams. opengraduates says: October 21, 2020 at 7:55 pm. C. Convert rotary It is a surface fatigue failure. (D). Question 5: Arrange following in order of occurrence (i) Junction failure (ii) merging of two particles (iii) secondary contact (iv) transfer of particle. (C). Tribology. (A) Question 3: Which of the following condition for selection of coating under un-lubricated sliding pair is INCORRET? NPTEL Online Certification Courses Indian Institute of Technology Kharagpur Q2: The dimension of cube cast for finding the strength of concrete is (a) 100 mm (b) 150 mm (c) 200 mm (d) 250 mm Explanation: The dimension of the cubes cast for finding the strength of concrete is 150mm in dimension Answer … Step 3 – Use your Google account ID and password to log in. Question 9: Which one of the following is INCORRECT for boundary lubrication? B. (A) How can one nurture growth mindset? Question 1: As per junction growth in metallic friction : (A) Tribology (MCQ : MODULE - 1) Question 1: In which period was the word tribology coined after realizing significant losses due to lack of knowledge of friction and wear and a need for an interdisciplinary approach was considered? D. Lubricant film is too thin to provide total solid separation. Although it depends on the subject and the stream, the exams in which I had appeared had the following pattern : There were 3 sections. C. Bulk liquid properties of the lubricant play negligible part in friction and wear behaviour. Global Navigation Satellite System All these 3 had similar type of exam. Question 2 : Which of the following related to Stick-Slip phenomenon is INCORRECT? C. Grease is always made of liquid lubricant dispersed in soap based thickener. C. Protect the surfaces from aggressive products. (C) View Notes - tribology mcqs nptel.rtf from MECHANICAL 100 at Indian Institute of Technology, Guwahati. (D). A. Friction and wear are determined predominantly by interaction between the solids and between solids and the liquid. D. Less change in dimensions during surface treatment. Enhancing Soft Skills and Personality Assignment Week 1 Answers:-Q1. We have listed here the best Remote Sensing MCQ Questions that check your basic knowledge of Elements of Remote Sensing.This Remote Sensing MCQ Test contains 25 best Multiple Choice Questions.You have to select the right answer to every question. C. Shear stress is directly proportional to velocity gradient. (A) C. Stribeck curve relates coefficient of friction to operating speed. #NPTEL #microprocessor #microcontroller #2021 #trending #foryou #share #like #subscribe #week12 #assignment Nptel is a joint initiative from IITs and IISc to offer online courses & certification. Q3. (C) The process of artifically supplying water to soil for raising crops is called Irrigation. 1) Which of the following commands is used to delete a remote branch: a) Git Read more… Question 1: Which of the following is INCORRECT about liquid lubricant shear stress? (A) Enroll/Register for an NPTEL Online Course. Control Systems Assignment -5 Answers [NPTEL, the best and Popular] Machine Learning: Artificial Neural Networks MCQs [Useful for beginners] 3 Comments suraj says: October 21, 2020 at 7:22 pm. B. Kinematic viscosity (in m2/s) of this lubricant will be: Question 3: Which one of following is INCORRECT? B. Walther’s equation relates kinematic viscosity with absolute temperature. (C) It may occur where coefficient of kinetic friction is lesser than coefficient of static friction. Question 5: Stribeck curve helps to find : Question 6: Viscosity index is measure of change in viscosity with : Question 7: Which one the following is the most generic requirement for lubricant : Question 8: Which one of following does not belong to lubricant additive group? Step 4 … Solid surfaces are so close together that appreciable contact between opposing asperities occurs and lubricants become ineffective. NPTEL solution Week 7 Quiz Answers | Introduction to Modern Application Development | Apr 2018 Due to some issues, We changed the option sequence of MCQs. It will be e-verifiable at nptel.ac.in/noc NPTEL ASSIGNMENT ANSWERS. Q5. A. NPTEL Jan 2021 Semester NPTEL April 24/25 exams postponed. (C) ... Control Systems Assignment -7 Answers [NPTEL] Digital Circuits Assignment -7 Answers [NPTEL] Leave a Reply Cancel reply. B. (B) A. (C) A. Walther’s equation requires three constants to estimate the operating viscosity. (D). (B) Reply. NPTEL >> Courses >> Mechanical Engineering >> Tribology (Web) >> Modules / Lectures Introduction Friction Wear Lubricants & Lubrication Fluid Film Lubrication Applications of Tribology Q1. A. true B. false Answer: A Certificate will have your name, photograph and the score in the final exam with the breakup. (D) Question 10: Which of the following is CORRECT? C. It occurs because contact stress exceeds than the surface fatigue strength of the material. Java Week 2:Q1 To call the method print() in class Student following the concept of inner class. B. (D). Q4. D. Shear stress is inversely proportional to lubricant density. AICTE Basics of Remote sensing, GIS & GNSS technology and their applications Module 1 Assessment Answers And Solutions by Dr. Poonam S. Tiwari , Indian Institute Of Remote Sensing. Step 2 – Click on the tab “Login Option” seen on the top right-hand corner. D. Stribeck curve relates coefficient of friction to surface hardness. Question 7: Which is not true about coefficient of friction? Tribology (MCQ : MODULE - 2) Question 1: As per junction growth in metallic friction : A. Question 2: Dynamic viscosity and density of liquid lubricants are 15 mPa.s and 780 kg/m3. Tribology (MCQ : MODULE - 2) Question 1: Which one of the following statements is NOT true about friction? (C) (B) Till Today, i have given exam for 3 courses: 1. Step 1 – Go and Visit following link- https://onlinecourses.nptel.ac.in. B. Stribeck curve relates coefficient of friction to lubricant viscosity. A. Internet of Things (IoT) can be integrated with which of these separate domains: a. Cloud-based storage and computing. To what extend in general does a lubricant reduces friction between surfaces? B. A. NLGI grades express a measure of the relative hardness of grease. ME8791 Mechatronics MCQ Multi Choice Questions, Lecture Notes, Books, Study Materials, Question Papers, Syllabus Part-A 2 marks with answers ME8791 Mechatronics MCQ Multi Choice Questions, Subjects Important Part-B 16 marks Questions, PDF Books, Question Bank with answers Key And MCQ Question & Answer, Unit Wise Important Question And Answers, One Mark Question With Answers, … All answers of nptel Software Testing Unit 2 - Week 0 Assignment 0SOFTWARE TESTING----- 4 week courseProf. B. Shear stress is directly proportional to kinematic viscosity. More fluid shearing lesser the friction, C. Lesser chemical affinity lesser friction, D. Lesser interface shear strength, lesser friction. C. Friction is greater on rough surface. Statement 1 is false, 2 is true Statement 1 and 2 both are false Statement 1 and 2 both are true No, the answer is incorrect. Assignment 1 MCQs – Multiple Choice Questions (a question has… Read More » NPTEL Python for Data Science Assignment 1 Solutions & Answers | Prof. Ragunathan Rengasamy | IIT Madras NPTEL Enhancing Soft Skills and Personality Assignment 1 Solutions & Assignment 1 Answers | Prof. T. Ravichandran IIT Kanpur Solid surfaces are so close together that appreciable contact between opposing asperities occurs and lubricants become ineffective. Answer:-A,C,D,F. D. It can be avoided by proper lubrication. Question 1: The function of bearing is to A.Support load. Which of the following tips can be used to deal with criticism? // This is the outer class named School class School { // This is the inner class named Student class Student { // This is a method in inner class Student public void print() { System.out.println("Hi! justify your first answer….. February 17, 2021 February 17, 2021 Keep interface shear strength under control. (B) Introduction to Remote Sensing 2. Increase in interface shear strength decreases the growth of the junction. A. Shear stress is directly proportional to film thickness. C. Liquid lubricant enters in crevices and increases the growth rate of junction. Take Remote Sensing MCQ Test & Online Quiz to test your knowledge. Question 4: Which one of following is INCORRECT? Answer:-A,C,E,G. Statement 1: A right must be recognized by the law Statement 2: An intellectual effort is something which is exclusive to human beings Statement 1 is true, 2 is false. C. Walther’s equation relates dynamic viscosity with absolute temperature. Answer:-A,C,D,F. A. Friction is tangential resistance to motion. Friction and wear are determined predominantly by interaction between the solids and between solids and the liquid. (A) (B) Friction is dependent upon the surface of the content. D. Walther’s equation relates kinematic viscosity with operating temperature. D. Lubricant film is too thin to provide total solid separation. Neural Networks Multiple Choice Questions on “Pattern Recognition″. 1. Identify the most appropriate methods to manage stress. A. B. B. Transmit power. (B)

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