Saddle key is more suitable than sunk key for heavy duty applications.

Related MCQs

• Hollow saddle key is superior to flat saddle key as far as power transmitting capability is concerned.
• The main advantage of sunk key is that it is a            drive.
• Determine the length of kennedy key required to transmit 1200N-m and allowable shear in the key is 40N/mm². The diameter of shaft and width of key can be taken as 40mm and 10mm respectively.
• The strength of hollow shaft is more than the strength of solid shaft of same weight.
• Thickness of plate is required more in welding than in riveting.
• The stiffness of solid shaft is more than the stiffness of hollow shaft with same weight.
• Woodruff key permits            movement b/w shaft and the hub.
• In manual assembly, cost of screw is higher than the cost of driving a screw.
• Cold riveting holds the connected parts better than hot riveting.
• Quality checking of riveted joint is much expensive than that of welded joint.