15. 41. So instead of sharing your dream for early retirement, or trying to be funny, give them an answer that Then flow = area of hydrant x. Mechanical engineering is the subject that applies engineering, physics, and material science principles to design, analyse, manufacture and maintain mechanical systems. It's your chance to introduce your qualifications, good work habits, etc. 67. general-mechanical-engineering-question-and-answers 1/2 Downloaded from angelos02.dev.adzuna.ca on December 3, 2020 by guest [EPUB] General Mechanical Engineering Question And Answers Recognizing the showing off ways to get this books general mechanical engineering question and answers is additionally useful. For what type of flow, the streamlines, pathlines and streaklines are virtually identical ? What is your favourite subject in Mechanical engineering? Due to uneven extension and contraction of belt. Kaplan turbine. What type of turbine is this ? Written mechanical aptitude questions typically present a picture or diagram of an object or situation that you must analyze in order to find an answer to a question posed about it. 24. 97. In laminar flow the fluid particles move along smooth, regular paths which can be pre¬dicted in well advance. Solved examples with detailed answer description, disscussion in forum … (5) Data processing element Your email address will not be published. IES examination is conducted every year for 4 branches of engineering. In anti-friction bearings rolling components are introduced between the sliding surfaces. On what account the boundry layer exists ? of links minus 2. What is the difference between spillway and siphon spillway ? What is order of the system. The analogous output is then converted into an electrical signal by secondary transducer. Mechanical Engineering MCQ questions and answers especially for the Mechanical Engineer and who preparing for GATE Exam. 49. A scheme in which the discharge is varying and only that much water can be utilised for conversion as available in the river. What to look for in an answer: A long history of design and innovation It is recommended because of its high accuracy, low cost, and extreme flexibility. The ratio of area of jet (contracted) and the cross section of the orifice. (i) If a number of measurements are made on same true value, the degree of closeness of these measurements gives precision Ans: 2. For the same size, length and condition of pipe, how the friction head loss changes if pipe size is varied. Mechanical Engineering questions and answers with explanation for interview, competitive examination and entrance test. This is just one of the solutions for you to be successful. However in some years discharge in the river may be more than % availability discharge and some extra power known as secondary power can be generated. In run-of-the river schemes which are generally designed for % availability of water, the firm power would be available for at least % of the years during the life of the scheme. 6. What is the difference between lower pair and higher pair ? In hydrostatic lubrication. Examples of Mechanical Engineering Interview Questions & Answers- General Questions. 52. Inversions are different mechanisms obtained by fixing different links in a kinematic chain but keeping relative motions of links unchanged with respecat to one another. 72. How the water flow from a hydrant in a city water system measured ? The approximate constant and continuous power which is assured at power station and would be available throughout the year is called firm power. Give two uses of Bode plots. At constant capacity, head is proportional to. If discharge head is required as 8 kg/cm2, what should be diameter of impeller. For flow to be laminar in a pipe, the Reynold’s number is less than 2000 and for flow to be turbulent it is greater than 4000. For it, dv/dx = du/dy. ; Both paper 1 and paper 2 are Multiple Choice Questions. Siphon spillway is spillway designed to discharge water in a closed conduit under negative pressure. A mechanism consists of links forming a constrained kinematic chain. Home » BASIC MECHANICAL ENGINEERING Interview Questions » Mechanical Engineering Interview Questions Answers PDF. How is a Pelton turbine braked ? Irrotational flow. Square of mean velocity. How the streamlines and equipotential lines are related in a flow field ? A bearing in which hydrodynamic pressure is generated due to rotation of jour¬nal is called… ? What is the difference between firm power and secondary power in hydro power plants ? Define the degree of reaction of a turbomachine. Ans: (i) Revolute pair—single degree of freedom. If the system is found to be stable, then it is necessary to know the stable strength or degree of stability which is called relative stability. Fully solved examples with detailed answer description, explanation are given and it would be easy to understand. 27. At constant diameter, head is proportional to (flow)2. It is the ratio of total pressure change in the rotor to that in the stage. I want to need it immediately, so please it to my email so only. 92. (iii) Screw pair—one degree of freedom. Define the term contraction coefficient. It controls the piston position for cut off of steam, for release of steam and compression position for steam in cylinder. In this article, we will discuss commonly asked interview questions and answers on mechanical Design. What for pycnometer is used ? Steady flow. 77. Mechanical Engineering MCQ questions and answers for an engineering student to practice, GATE exam, interview, competitive examination and entrance exam. of binary joints and half of number of higher pairs is equal to 3/2 of no. 7. 38. Acces PDF General Mechanical Engineering Question And Answers General Mechanical Engineering Question And Answers Yeah, reviewing a book general mechanical engineering question and answers could amass your close associates listings. What is the direction of tangential acceleration ? 35. What are the three functions served by a surge tank in a hydro plant ? It can be measured by allowing the flow of water from a hydrant and noting down the horizontal distance (x) where jet strikes the ground and the vertical distance (y) of outlet from ground. Damping factor. 4. A path line is a curve traced by a single fluid particle during its motion. 69. What is the hydraulic-grade line ? 17. How does the capacity changes in pipe flow with increase in pipe diameter if head is constant ? 86. 79. 65. Steam Boilers, Engines, Nozzles and Turbines PART 1 . 32. 9. 53. Ans: 400 mm. 85. 48. This effect is called loading. 99. Hydrodynamic pressure developed in the lubricant. Q. Practice free Aptitude tests & get tips, guides and fully worked solutions. I need ASAP for my upcoming intervew, I need a btech it basic interview questions. Stilling basin is transitional energy dissipating structure to avoid the damaging process by a highly accelerated spilled water. 14. 33. If base circle diameter of cam increases, what happens to pressure angle ? 0.5 x 12+ 15 = 21. ... please post mechanical engineering question and answer. Any obstruction of a streamflow over which water flows is weir. Momentum. What is meant by precision ? (ii) It is a measure of the degree of repeatability or reproducibility of the measuring system. NDDC Scholarship Past Questions for MECHANICAL ENGINEERING...The NDDC Scholarship Test Past Questions And Answers for MECHANICAL ENGINEERING is available The axes of spin, precession, and applied gyroscopic torque are contained in two planes perpendicular to each other, and planes of spin, precession, and applied gyroscopic torque in the three planes perpendicular to one another. It decreases. Under what condition the thickness of thermal boundary layer and hydrody-namic boundary layer is same ? How the stability of empty ship increased. It also works as a pressure relief valve for the upstream pipe during the turbine shut off. PART 1, Hydraulic Machines PART 2 & 3 64. These tests are concerned with how many questions you can answer correctly in the allotted time. Any obstruction of a streamflow over which water flows is weir. 13. 87. A system is said to be stable if the output of a system after fluctuations, variations or oscilla-tions, settles at a reasonable value for any change in input. 94. 18. Branches are Civil Engineering, Mechanical Engineering, Electrical Engineering, Electronics & Communication Engineering. 93. Learn how to pass MECHANICAL APTITUDE TESTS with Richard McMunn's free guide below: http://www.MechanicalTests.co.uk/ Mechanical Engineering Interview questions and answers 1. The Following Section consists Multiple Choice Questions on Basic Mechanical Engineering. Hydraulic Machines PART 1 Nuclear Power Plants PART 1. What is the relationship between (i) axes of spin, precession, and applied gyroscopic torque and (ii) in between their planes ? PRACTICE APTITUDE TESTS . It is the line which shows tne variation of piezometric head. This is the dreaded, classic, open-ended interview question and likely to be among the first. Define primary and secondary transducers ? Tech. 2. What is the difference between a machine and a mechanism ? The economic diameter of a power tunnel is determined such that the total value of following two factors is least 30. Kaplan turbine. 10. 45. 43. 96. (3) Variable manipulation element 74. PART 1 61. What is meant by loading ? Navier stokes equation represents the conservation of which quantity ? I.C. Mention the function of intermediate stage in a generalised measurement system. The head loss in a fully developed laminar flow in a circular pipe due to friction is directly proportional to … ? This article provides you latest 2021 Mechanical Engineering Objective Questions with Answer for GATE, IES, PSUs with Pdf Free Download.In this article provides you latest 2021 Mechanical MCQ Pdf students. PART 1, Most Important 200 Mechanical Engineering Interview Questions & Answers PDF. When Prandtl number is equal to unity. Boundary layer is the fluid layer in the neighbourhood of a solid boundary where the effects of fluid friction are predominant. 50. In irrota¬tional flow the net rotation of a fluid element about its own mass centre is zero as it moves from one place to another. What is meant by relative stability ? What is the maximum efficiency of power transmission through a pipe ? 62. Send me all the mechanical engineering questions and answers in pdf format,please, Send me all questions and answers .it’s very useful to get placed, Kindly send me some basic questions in field of mechanical enginnering, Please send me all pdf of mechanical engineer questions and answers on email, Your email address will not be published. Ans: Normally they are looking for the subject in which their company is based on. Name the three stages of a generalised measuring system. Exploring a candidate's history with engineering can reveal their passion for the field, even if they were using household items as a child to build something small. MECHANICAL ENGINEERING Questions Answers PDF :: 51. 47. 63. (ii) recurring annual expenditure. Please send me my email address, please send me question&answers of mechanical engineering in pdf format…i need it, send me the all mechanical engineering interview question and answer, Yesterday my interview so send me immediately. Two geometrically similar flow systems subject only to friction and inertia forces are dy¬namically similar if both have the same ‘Reynolds’ number. Errors give the difference between the measured-value and the true value, Accuracy of a measurement system is measured in terms of error. 19. Pycnometer is used to measure specific gravity of the liquid. . This is the mechanical engineering questions and answers section on 'Engineering Mechanics' with the option for disscussion in forum , usefull for competitive examination and entrance test like GATE ESE PSU. Boundary layer m fluid flow exists on account of fluid density. PART 1, Steam Boilers, Engines, Nozzles and Turbines 80. Phase margin and gain margins are the measures of relative stability. In steady flow the velocity at a given point does not change with time whereas in unsteady flow it changes with time. And looking for a job in the mechanical field. Corliss valve reduces condensation, provides independent control on admission, cut off, release and compression, and reduces driving power requirements. 100. What is stagnation point and stagnation pressure ? A stagnation point is one at which velocity is zero. 83. Then this article can help you with your interview preparation. relatively straightforward. The order of the system is the order of the highest derivative of the ordinary differential equation with constant coefficients which defines the system mathematically. Froude number. Eight times. 44. Hydrostatic lubrication. In a signal flow graph, a forward path originates from the input mode and terminates at output mode without encountering any mode more than once. (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. What for Maning’s formula used ? Multiple choice practice questions on topics such as Thermodynamics, Hydraulics & Pneumatics, Heat Transfer,Theory of Machines, Material Science, Manufacturing Processes, Fluid Mechanics etc. During the act of measurement the measuring instrument takes energy from the signal source or measured medium and thus the signal source is altered. The pressure caused on the walls of a pipe due to a fluid at rest inside the pipe or due to the flow of a fluid parallel to walls of the pipe is called static pressure. 36. 78. In boundary lubrication condition the ratio of thickness of lubrication film to surface roughness (CLA value) is less than 1 and for fluid film lubrication condition this ratio is greater than 5 and less than 100. 54. 1. GATE Previous Years Papers [PDF] – GATE 2021 score is valid for three years from the date of announcement of the results. Mechanical Engineering Interview Questions and Answers Book pdf – The branch of Mechanical Engineering has always been an evergreen favorite among students who have taken up Engineering as their desired field of study. A candidate who has done his B. E. / B. Culverts are built at the points of lowest valley to pass water across the embankments of highways or railroads. It is one of eminent platform for Engineering Question and Answer particularly Mechanical Engineering, Please email me all questions and answers. 8. What is the difference between weir, and submerged weir. In a kinematic pair, if the elements have surface contact when in motion, the pair is called lower pair and if elements have line or point contact the pair is called higher pair. Mechanical aptitude tests present questions representing mechanical reasoning, 25 best mechanical engineering interview questions and answers pdf free download 1. A study of error helps in finding the reliability of the results. 98. All Exam Review. In which type of lubrication system the starting friction is low ? Size of cam depends on base circle. What is the purpose of D-slide valve in steam engines ? (function() {var script=document.createElement("script");script.type="text/javascript";script.async =true;script.src="//telegram.im/widget-button/index.php?id=@allexamreview";document.getElementsByTagName("head")[0].appendChild(script);})(); It is used to determine velocity of flow in pipe. What is the function of a transducer element ? For a journal running in a bearing clockwise at steady state, where will be the minimum clearance ? It is the frictionless fluid. (i) Itevolute pair, (ii) cylindrical pair, (iii) Screw pair, (iv) Spherical pair. e.g. Electrical Engineering Objective Questions MCQ with Answer Free Pdf Download. Stagnation pressure is the sum of static pressure and dynamic pressure. What is the difference between culverts, stilling basin, and standpipe ? (i) The plot of magnitude in db (on linear scale) vs. frequency to (on log scale) 58. What is the name of nondimensional group for ratio of inertia force to gravity force. Interview questions discussed here are from the engineering curriculum. Explain the difference between rotational and irrotational flow. Keep it mostly work and career related. 31. A stream line is an imaginary line drawn in a flow field such that a tangent drawn at any point on this line represents the direction of the velocity vector. Why do you want to leave your current job? 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Sir plz send me the pdf of 200 Mechanical Engineering Questions & answers in krsandipdutt@gmail.com.Plz,all your q&a are so important to me.plz send me soon.thats great regarding to you for your great work.THANK YOU How head varies in pipe flow with change in flow, if pipe diameter is same. Journal bearing. If angular speed of cam is increased two times, how much jerk will be increased ? 68. What is boundary layer ? What is the difference between basic kinematic chain and compound kinematic chain ? What do you understand by run-of-river scheme in hydro power generation ? A power test on the other hand will present a smaller number of more complex questions. 5. As the questions for the interview is not fixed, it solely depends on your luck that day. If you have a degree or diploma in mechanical engineering. A machine is a mechanism but here we are concerned with forces to be transmitted and it is used to modify mechanical work. (ii) water-hammer relief or pressure regulation. 12. 81. 55. How does the head change in pipe flow with change in diameter, if capacity is constant. (2) Variable conversion (or) transducer element Whether Bernoulli’s equation is applicable for streamline straight and rotational flows ? General interview questions for freshers you should prepare: Like every job interview, fresher mechanical engineers are asked some common interview questions related to their background, hobbies, strengths, and weaknesses. What is the difference between boundary lubrication and fluid film lubrication ? SHM. What is the criteria for a chain to be constrained ?
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