Machine Design Set 8

Mechanical Engineering

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This set of Machine Design Multiple Choice Questions & Answers (MCQs) focuses on Machine Design Set 8

Q1 | A connecting rod in an IC Engine is to be designed against buckling. The end conditions considered are
Q2 | A ball bearing cannot be provided for
Q3 | Which of the following drive has accurate speed ratio?
Q4 | Under which condition a material ordinatily said to be ductile undergoes a fracture similar to that of a brittle material
Q5 | When minimum axial thrust is the criteria, the choice of gears would been
Q6 | A compressed air cylinder carries approximately 70 kg/cm2 pressure at the time of delivery. The inside diameter is 25 cm. If the steel has a yield point of 2300 kg/sq cm and a safety factor of 2.5 the wall thickness should be
Q7 | If during operation a boiler bursts, the matter should be reported to
Q8 | The compression members tend to buckle in the direction of
Q9 | A concrete wall generally
Q10 | When the bolt is subjected to shock loading the resilience of the bolt should be considered in order to prevent breakege at
Q11 | Maximum efficiency expected in case of single mech supr gears is around
Q12 | In a gas turbine rotor a radial stress of 300 kg/sq cm tensile and 500 kg/sq cm tangential stress have been found at a point. The maximum shear stress at this point would be
Q13 | The life of ball bearings as listed in catalogue represents
Q14 | Rinkine-Gordon formula for buckling load is adopted for columns having slenderness ratio between
Q15 | Jaw clutches
Q16 | A rack is a gear
Q17 | Expansion joints are provided on pipes carrying
Q18 | The advantage of needle roller bearing over ball bearing is
Q19 | A V-belt designated as C 120 will have
Q20 | Dielectric strength of a material is
Q21 | According to IS 800, the lacing bars should resist a transverse shear equal to
Q22 | The bunkers are the containers in which the plan of rupture intersects
Q23 | Laser treatment of components increases fatigue resistance of metals by
Q24 | Failure of rolling bearings occurs mainly due to
Q25 | In elevated circular steel tanks, conical bottoms are attached when
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