mechanical-engineering-machine-design Related Question Answers

101. A shoe brake is commonly used in railway trains.



102. The rivet head used for boiler plate riveting is usually





103. A single strap butt joint is always in __________ shear.



104. 18/8 steel contains





105. The module in the reciprocal of diametral pitch.



106. The velocity factor for carefully cut gears operating at velocities upto __________ is equal to 4.5/4.5 + v.





107. A localised compressive stress at the area of contact between two members is known as





108. The metal suitable for bearings subjected to heavy loads is





109. The V-belts are particularly suitable for __________ drives.



110. For hardening alloy steels and high speed steels, they are heated to





111. An universal coupling is used to connect two shafts





112. Euler's formula for a mild steel column is not valid if the slenderness ratio is





113. The standard length of the shaft is





114. According to I.B.R., when the thickness of boiler shell (t) is greater than 8 mm, then the diameter of rivet hole (d) is obtained by





115. When the shaft rotates in anticlockwise direction at slow speed in a bearing, it will





116. A taper key which fits half in the key way of the hub and half in the key way of shaft, is known as





117. When bevel gears having equal teeth and equal pitch angles connect two shafts whose axes intersect at right angle, then they are known as





118. A sliding bearing which can support steady loads without any relative motion between the journal and the bearing, is called





119. In case of pressure vessels having closed ends, the fluid pressure induces





120. A machine part subjected to __________ is called a strut.





121. The yield point in static loading is __________ as compared to fatigue loading.




122. When two helical springs of equal lengths are arranged to form a cluster spring, then





123. For a shaft diameter of 200 mm, the number of bolts in a marine flange coupling should be





124. The stress in the threaded part of the bolt will be __________ as compared to the shank.




125. A shaft is a rotating machine element.



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