Manufacturing Practice MCQ Viva Questions
1- In a flexible hacksaw blade which portion is hardened
A:- Back edge
B:- Side
C:- Teeth
D:- Pin holes
2- The point angle for chipping mild steel is
A:- 55 degree
B:- 60 degree
C:- 45 degree
D:- 65 degree
3- The range of clearance angle in a drill
A:- 8 to 100 degree
B:- 3 to 5 degree
C:- 0 to 20 degrees
D:- 8 to 12 degree
4- For which purpose a reamer is used
A:- Drilling deep holes
B:- Enlarging and finishing previously drilled holes
C:- To remove burrs
D:- Thin sheet drilling
5- The least count of a vernier height gauge
A:- 0.001 mm
B:- 0.01 mm
C:- 0.02 mm
D:- 0.05 mm
6- Telescopic gauges are available in a set of
A:- 7 nos
B:- 8 nos
C:- 5 nos
D:- 2 nos
7- In a micrometer the anvil is made of
A:- Mild steel
B:- Cast iron
C:- Carbon steel
D:- Alloy steel
8- Which mechanism is used to convert the linear motion of the plunger in a Dial test indicator
A:- Rack and pinion
B:- Screw and nut
C:- Slotted link
D:- Magnetic
9- What is the zero reading of a 25-50 cm of an outside micrometer
A:- 50 mm
B:- 25 mm
C:- 0 mm
D:- 0.01 mm
10- The angle of a V thread
A:- 30 degree
B:- 29 degree
C:- 60 degree
D:- 50 degree
11- Which types of threads are used in the Lead screw of machine tools?
A:- Square thread
B:- A thread
C:- Acme thread
D:- Withworth thread
12- In single-start threads
A:- Lead is double the pitch
B:- Lead and pitch are equal
C:- Lead is half the pitch
D:- Pitch is double the lead
ANSWERS
1-(C), 2-(A), 3-(D), 4-(B), 5-(C), 6-(C), 7-(D), 8-(A), 9-(B), 10-(C), 11-(C), 12-(B)