Machine Design Aircraft body is usually fabricated by Casting Pre-casting Welding Riveting Casting Pre-casting Welding Riveting ANSWER DOWNLOAD EXAMIANS APP
Machine Design A steel containing 0.8% carbon is known as Hypo-eutectoid steel Hypereutectoid steel None of these Eutectoid steel Hypo-eutectoid steel Hypereutectoid steel None of these Eutectoid steel ANSWER DOWNLOAD EXAMIANS APP
Machine Design A hollow saddle key is A taper key which fits half in the key way of hub and half in the key way of shaft A taper key which fits in a key way of the hub and is flat on the shaft A taper key which fits in a key way of the hub and the bottom of the key is shaped to fit the curved surface of the shaft Provided in pairs at right angles and each key is to withstand torsion in one direction only A taper key which fits half in the key way of hub and half in the key way of shaft A taper key which fits in a key way of the hub and is flat on the shaft A taper key which fits in a key way of the hub and the bottom of the key is shaped to fit the curved surface of the shaft Provided in pairs at right angles and each key is to withstand torsion in one direction only ANSWER DOWNLOAD EXAMIANS APP
Machine Design In hydrodynamic bearings Grease is used for lubrication Do not require external supply of lubricant The oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure Grease is used for lubrication Do not require external supply of lubricant The oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity factor for very accurately cut and ground metallic gears operating at velocities upto __________ are equal to 6/(6 + v). 15 m/s 12.5 m/s 20 m/s 10 m/s 15 m/s 12.5 m/s 20 m/s 10 m/s ANSWER DOWNLOAD EXAMIANS APP
Machine Design If p = bearing pressure on projected bearing area, z = absolute viscosity of lubricant, and N = speed of journal, then the bearing characteristic number is given by N/Zp ZN/p Z/pN p/ZN N/Zp ZN/p Z/pN p/ZN ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS