Multiple Choice Question (MCQ)
Question: Which unit of feed mechanism of a lathe provides different feed rates can be given to the tool?
A.
Apron mechanism
B.
Change gear unit
C.
Tumbler gear unit
D.
Quick change gear box
Correct Answer: Quick change gear box
Explanation
Biological hazards under occupational health hazards are
*Bacteria
*Virus
*Fungi
*Plant pest
*Infection