Threaded joints are non-separable joints.
Explanation: Threaded joints are separable joints of machine parts that are held together by means of a threaded fastening such as nut and bolt.
Which type of joints is better when the product is subjected to large vibrations: welded or threaded?
Explanation: Threaded joints loosen when subjected to vibration
If a fastener is threaded into a tapped hole, then the fastener is likely to be called as
Explanation: Bolt is threaded into a nut while screw is threaded into a tapped hole.
In nut and bolt fastener, nut is generally held stationary while bolt is rotated.
Explanation: Bolt is always held stationary while nut is rotated.
Which of the following is not a function of washer?
Explanation: Washer doesn’t help in locking of fasteners.
Shank is the portion of bolt between the head and the thread.
Explanation: Shank is the portion between head and the thread of the bolt.
If there is no place to accommodate the nut, then one would choose the
Explanation: Tap bolts are directly threaded into the clamped parts and does not require any nut.
Which of the following are good for parts that are seldom dismantled.
Explanation: Tap bolts, if removed frequently will leave the threads in the part worn out and hence are used where dismantling is rare.
Which of the following requires more space for the rotation of spanner?
Explanation: Angle of rotation for hexagonal head is one sixth of a revolution to enable the next pair of flats to be engaged while it is one fourth of a revolution in case of square head.
Set screws are subjected to tensile forces only.
Explanation: Set screws are subjected to compressive forces only.