Machine Design Set 7

Mechanical Engineering

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This set of Machine Design Multiple Choice Questions & Answers (MCQs) focuses on Machine Design Set 7

Q1 | The weakest plane in a fillet weld is
Q2 | The holes in plates for reveting are usually made by
Q3 | Which of the following treatment is often recommended for parts operating under corrosive conditions?
Q4 | A material is generally classified as brittle if the percentage elongation (in a gauge length of 50 mm) is less than
Q5 | A flange coupling is
Q6 | Splines are used when
Q7 | Bolts in structures are often tightened upto or beyond the yield point because
Q8 | A triple threaded worm has a pitch diameter of 100 mm and an axial pitch of 22 mm. The lead angle will be
Q9 | Spigot and socket joints are used on pipes
Q10 | In a compression test the fracture in cast iron specimen would occur along
Q11 | If the allowable shear stress is 960 kg/sq. cm for the size h cm, the allowable force per cm of weld length would be
Q12 | In case of a knuckle joint the pin is likely to fail in
Q13 | Shot peening leaves the material surface in
Q14 | A Babbit is
Q15 | Low pressure angle on gears results in
Q16 | An eye bolt is generally provided on
Q17 | The satisfactory method of reclaiming worn out and under sized part subject to fatigue loads is
Q18 | The usual clearance provided in hydrodynamic bearing per mm of diameter of shaft is
Q19 | Dead weight type safety valve is not used on locomotives because
Q20 | Extrafine threaded connections are generally recommended for
Q21 | A square key is
Q22 | A steel specified as St 50 will have a tensile strength of approximately
Q23 | The chain used in motor cycles is generally
Q24 | In gear design, addendum is equal to
Q25 | Lubricant is not required in
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