Multiple Choice Questions (MCQ) on Manufacturing Processes
21-Which of the following is not the part of combination set?
(A) Centre head
(B) Square head
(C) Stock
(D) Protractor head
22-Which one of the following materials is used for making a grinding wheel?
(A) Calcium carbonate
(B) Sand
(C) Granite
(D) Silicon carbide
23-Which one of the following cutting fluids is used during grinding mild steel?
(A) Paraffin
(B) Soluble oil
(C) Mineral oil
(D) Kerosene
24-The distance a drill moves into the work for each revolution of the spindle is called
(A) Speed of drill
(B) Cutting speed of drill
(C) Feed of drill
(D) Depth of drill
25-CNC machines are operated by controller of
(A) Program
(B) Cam
(C) An operator
(D) Board system
26-Indexing head mechanism works with
(A) Rack and gear
(B) Worm and worm gear
(C) Two helical gear
(D) Two bevel gear
27-Which f the following standard tapers is self holding type?
(A) Morse taper
(B) Matric taper
(C) Brown and sharp taper
(D) Jerno taper
28-The taper shank drills are held on the machine by means of
(A) Chucks
(B) Drills
(C) Sleeves
(D) Vice
29-The distance which the cutting edge of a tool passes over the material in a minute while machining is called
(A) RPM
(B) Machine speed
(C) Cutting speed
(D) Feed
30-Centre drilling is an operation of
(A) Drilling and counter sinking
(B) Marking and centre location before drilling
(C) Drilling and counter boring
(D) Enlarging the diameter of a hole
ANSWERS:
21-(C), 22-(D), 23-(B), 24-(C), 25-(A), 26-(B), 27-(A), 28-(C), 29-(C), 30-(A)