Kaplan turbine. e.g. What is the purpose of Corliss valve in place of D’-slide valve in steam engine ? What is the function of a transducer element ? A mechanism consists of links forming a constrained kinematic chain. It also works as a pressure relief valve for the upstream pipe during the turbine shut off. 89. What is the difference between culverts, stilling basin, and standpipe ? 67. What is the difference between steady and unsteady flow ? (iv) spherical pair—three degrees of freedom. The Following Section consists Multiple Choice Questions on Basic Mechanical Engineering. Fully solved examples with detailed answer description, explanation are given and it would be easy to understand. 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. What is the difference between lower pair and higher pair ? So instead of sharing your dream for early retirement, or trying to be funny, give them an answer that 65. Steam Boilers, Engines, Nozzles and Turbines PART 1 . What is the difference between spillway and siphon spillway ? Specific speed of a turbine is 800. PART 1, Hydraulic Machines (iii) improvement in speed regulation. Then this article can help you with your interview preparation. 97. Mechanical aptitude tests present questions representing mechanical reasoning, Boundary layer m fluid flow exists on account of fluid density. 62. A 200 mm impeller of centrifugal pump develops discharge head of 2 kg/cm2. A kinematic chain with ‘n’ links can have ‘n’ inversions. Pycnometer is used to measure specific gravity of the liquid. 68. When Prandtl number is equal to unity. Stilling basin is transitional energy dissipating structure to avoid the damaging process by a highly accelerated spilled water. 43. 1. Hydrodynamic pressure developed in the lubricant. 83. 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. Define Reynold’s law of similitude ? Nuclear Power Plants  What is the number of degrees of freedom constrained in each case by the kinematic pairs. 48. If you have a degree or diploma in mechanical engineering. What is the difference between weir, and submerged weir. 96. 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. What is meant by relative stability ? 12. How laminar boundary layer thickness varies on a flat plate ? Journal bearing. What is static pressure ? What is the value of coefficient of friction for ball bearing ? If base circle diameter of cam increases, what happens to pressure angle ? Under same flow conditions the friction head loss increases as the size change to the 4.8th power. Mechanical Engineering questions and answers with explanation for interview, competitive examination and entrance test. 16. 30. Spillway is an essential part of a large dam and provides an efficient and safe means of releasing flood water that exceeds the design capacity of the reservoir. This is just one of the solutions for you to be successful. Under what condition the thermal boundary layer thickness will be equal to the hydrodynamic boundary layer thickness ? 5. Electrical Engineering Objective Questions MCQ with Answer Free Pdf Download. 80. 99. 41. 6. 79. Mechanical Engineering Objective MCQ Pdf, It is helpful for UPSC ESE, GATE, SSC JE, RRB JE, TNPSC AE and all kind of Mechanical Engineering examinations. The Bode plot consists of two plots namely. (ii) cylindrical pair—two degrees of freedom. 15. What type of turbine is this ? 81. 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