1
GATE PI 2007
MCQ (Single Correct Answer)
+2
-0.6
In an orthogonal cutting test, the following observations were made
Cutting force $$=1200N ;$$ Thrust force $$=500N$$
Tool rake angle $$=zero ;$$ Cutting speed $$=1$$ $$m/s,$$
Depth of cut $$=0.8mm;$$
Chip thickness $$=1.5$$ $$mm$$

Chip speed along the tool rake face will be

A
$$0.83m/s$$
B
$$0.53m/s$$
C
$$1.2m/s$$
D
$$1.88m/s$$
2
GATE PI 2007
MCQ (Single Correct Answer)
+1
-0.3
Reaming is primarily used for achieving
A
Higher $$MRR$$
B
Improved dimensional tolerance
C
Fine surface finish
D
Improved positional tolerance
3
GATE PI 2007
MCQ (Single Correct Answer)
+1
-0.3
Which of following gear manufacturing processes is based on generation principle.
A
Gear hobbing
B
Gear shaping
C
Gear milling
D
Gear shaving
4
GATE PI 2007
MCQ (Single Correct Answer)
+2
-0.6
Blind hole $$10mm$$ diameter, $$50mm$$ deep are being drilled in steel block, drilling spindle speed is $$600rpm$$, feed $$0.2$$$$mm/rev,$$ point angle of drill is $$120.$$

Machining time (in min) per hole will be

A
$$0.08$$
B
$$0.31$$
C
$$0.44$$
D
$$0.86$$
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
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CBSE
Class 12