The endurance or fatigue limit is defined as the maximum value of the stress which a polished standard specimen can withstand without failure, for infinite number of cycles, when subjected to Static load Completely reversed load Static as well as dynamic load Dynamic load TRUE ANSWER : ? YOUR ANSWER : ?
The temperature at which the new grains are formed in the metal is known as Recrystallization temperature None of these Lower critical temperature Upper critical temperature TRUE ANSWER : ? YOUR ANSWER : ?
A saddle key __________ power through frictional resistance only. None of these Transmits Either A or B Does not transmit TRUE ANSWER : ? YOUR ANSWER : ?
A locking device in which the bottom cylindrical portion is recessed to receive the tip of the locking set screw, is called Castle nut Ring nut Sawn nut Jam nut TRUE ANSWER : ? YOUR ANSWER : ?
In the levers of __________ type, the mechanical advantage is less than one. None of these First Second Third TRUE ANSWER : ? YOUR ANSWER : ?
In order to have a connecting rod equally strong in buckling about X-axis and Y-axis, the moment of inertia about X-axis should be __________ the moment of inertia about Y-axis. Four times Twice Equal to Three times TRUE ANSWER : ? YOUR ANSWER : ?
In a partial journal bearing, the angle of contact of the bearing with the journal is 120° 180° 270° 360° TRUE ANSWER : ? YOUR ANSWER : ?
The bearings of heavy series have capacity __________ over the medium series. 30 to 40% 20 to 30% 10 to 20% 40 to 50% TRUE ANSWER : ? YOUR ANSWER : ?
A screw is said to be over hauling screw, if its efficiency is Equal to 50% More than 50% None of these Less than 50% TRUE ANSWER : ? YOUR ANSWER : ?
The dedendum circle diameter is equal to (where φ = Pressure angle) Clearance circle diameter × cosφ Pitch circle diameter × cosφ Pitch circle diameter × sinφ Addendum circle diameter × cosφ TRUE ANSWER : ? YOUR ANSWER : ?