This set of Machine Design Multiple Choice Questions & Answers (MCQs) focuses on “Design of IC Engine Components”. 1. Compression Ratio in diesel engine is lesser than that in Spark Ignition engine. a) True b) No c) They are equal d) Doesn’t matter 2. Petrol engine are more economical than diesel engine. a) True b) … Read more
This set of Machine Design Multiple Choice Questions & Answers (MCQs) focuses on “Buckling of Columns”. 1. Piston rod is an example of column. a) True b) False 2. Bucking of column means a) Lateral deflection b) Axial deflection c) Torsional deflection d) None of the listed 3. Slenderness ratio is [l= length of column … Read more
This set of Machine Design Multiple Choice Questions & Answers (MCQs) focuses on “Stresses in Rope Wires”. 1. The wire rope is subjected to a) Tensile Stress b) Bending Stress c) Both bending and tensile stress d) None of the listed 2. In design of wire ropes, bending stress is converted into an equivalent bending … Read more
This set of Machine Design Puzzles focuses on “Unfired Pressure Vessels, Oil Seals & Wire Ropes”. 1. An unfired pressure vessel is used to carry stem, gases or fluids at pressure a) Less than atmospheric pressure b) Greater than atmospheric pressure c) Equal to atmospheric pressure d) None of the mentioned 2. Class 1 pressure … Read more
This set of Machine Design Multiple Choice Questions & Answers (MCQs) focuses on “Compound Cylinders & Gaskets”. 1. Autofrettage is beneficial for the high pressure cylinder. a) True b) False 2. Autogreggate is a process of ___ stressing the cylinder. a) Pre b) Post c) Over d) None of the listed 3. Can we pre-stress … Read more
This set of Machine Design Multiple Choice Questions & Answers (MCQs) focuses on “Cylinder Pressure Vessels”. 1. A cylinder is considered thin when the ratio of inner diameter to wall thickness is more than 5. a) True b) False 2. Tangential stress in a cylinder is given by [symbols have their usual meanings]. a) PD/2t … Read more
This set of Machine Design Multiple Choice Questions & Answers (MCQs) focuses on “Coefficients of Flywheel & Solid Disk Flywheel”. 1. Calculate the coefficient of fluctuation of speed if maximum speed is 2500rpm and minimum speed is 1800rpm. a) 1.44 b) 1.33 c) 0.33 d) 0.44 2. Calculate the coefficient of steadiness if maximum speed … Read more
This set of Machine Design Multiple Choice Questions & Answers (MCQs) focuses on “Flywheel”. 1. Is use of a flywheel recommended when a large motor is required only for a small instant of time? a) True b) False 2. Flywheels are used in punching and shear operation. a) True b) False 3. Which of the … Read more
This set of Machine Design Multiple Choice Questions & Answers (MCQs) focuses on “Worm Gears”. 1. Worm gear drives are used to transmit power between two non-intersecting shafts which are generally at right angles to each other. a) True b) False 2. The worm and worm wheel both are threaded screw. a) True b) Worm … Read more
This set of Machine Design Multiple Choice Questions & Answers (MCQs) focuses on “Strength of Bevel gears”. 1. Lewis equation is used to obtain ____ strength of bevel gears. a) Beam b) Abrasive c) Wear d) Corrosive 2. Beam strength of the bevel gear is independent of the cone distance. a) True b) False 3. … Read more
