117) When a diameter of single spindle drilling machine columns are placed side by side on a common work table, the machine is known as
Answer is:
Gang drilling machine
Related Manufacturing Technology MCQ with Answers
Answer is:
Dead centres
Explanation:
Revolving Centres are Frictionless. Used for supporting heavy jobs and jobs revolving with high speeds. A high-speed steel inserted centre is supported by two bearings housed in a body. It is also called the revolving dead centre.
