Kindly answer the questions correctly in the below mentioned box:

1.   How many equal divisions marked on the circumference of graduated sleeve in depth micrometer?

A.  20

B.  30

C.  50

D.  60

2.   Which part of the depth micrometer indicate the actual reading?

A.  Cap and lock

B.  Thimble and cap

C.  Barrel and sleeve

D.  Stock and thimble