CuriousTab
Search
CuriousTab
Home
Aptitude
Computer
C Programming
C# Programming
C++ Programming
Database
Java Programming
Networking
Engineering
Biochemical Engineering
Biochemistry
Biotechnology
Chemical Engineering
Civil Engineering
Computer Science
Digital Electronics
Electrical Engineering
Electronics
Electronics and Communication Engineering
Mechanical Engineering
Microbiology
Technical Drawing
GK
Current Affairs
General Knowledge
Reasoning
Data Interpretation
Logical Reasoning
Non Verbal Reasoning
Verbal Ability
Verbal Reasoning
Exams
AIEEE
Bank Exams
CAT
GATE
IIT JEE
TOEFL
Jobs
Analyst
Bank PO
Database Administrator
IT Trainer
Network Engineer
Project Manager
Software Architect
Discussion
Home
‣
Mechanical Engineering
‣
Production Engineering
Comments
Question
The angle included between the two lips projected upon a plane parallel to the drill axis and paralled to the two cutting lips, is called helix angle.
Options
A. Correct
B. Incorrect
Correct Answer
Incorrect
Production Engineering problems
Search Results
1. A single point thread cutting tool should ideally have
Options
A. zero rake angle
B. positive rake angle
C. negative rake angle
D. point angle
Show Answer
Scratch Pad
Discuss
Correct Answer: zero rake angle
2. The different spindle speeds on a lathe form
Options
A. arithmetical progression
B. geometrical progression
C. harmonical progression
D. any one of these
Show Answer
Scratch Pad
Discuss
Correct Answer: geometrical progression
3. When the cutting edge of the tool is dull, then during machining
Options
A. continuous chips are formed
B. discontinuous chips are formed
C. continuous chips with built-up edge are formed
D. no chips are formed
Show Answer
Scratch Pad
Discuss
Correct Answer: continuous chips with built-up edge are formed
4. Which of the following statement is wrong about ultra-sonic machining?
Options
A. It is best suited for machining hard and brittle materials.
B. It cuts materials at very slow speeds.
C. It removes large amount of material.
D. It produces good surface finish.
Show Answer
Scratch Pad
Discuss
Correct Answer: It removes large amount of material.
5. The rake angle required to machine brass by high speed steel tool is
Options
A. 0°
B. 10°
C. 20°
D. -10°
Show Answer
Scratch Pad
Discuss
Correct Answer: 0°
6. The method of grinding used to produce a straight or tapered surface on a workpiece, is
Options
A. internal cylindrical grinding
B. form grinding
C. external cylindrical grinding
D. surface grinding
Show Answer
Scratch Pad
Discuss
Correct Answer: external cylindrical grinding
7. Side rake angle on tools is provided to control chip flow.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: True
8. If the helix angle of the drill is made __________ 30°, then the torque required to drive the drill at a given feed will be more.
Options
A. equal to
B. less than
C. more than
Show Answer
Scratch Pad
Discuss
Correct Answer: less than
9. A left hand tool on a lathe cuts most efficiently when it travels
Options
A. from left to right end of the lathe bed
B. from right to left end of the lathe bed
C. with the help of a compound slide
D. across the bed
Show Answer
Scratch Pad
Discuss
Correct Answer: from left to right end of the lathe bed
10. Larger end cutting edge angle __________ tool life.
Options
A. increases
B. decreases
C. does not effect
Show Answer
Scratch Pad
Discuss
Correct Answer: decreases
Comments
There are no comments.
Enter a new Comment
Save
More in Mechanical Engineering:
Automobile Engineering
Compressors, Gas Dynamics and Gas Turbines
Engineering Materials
Engineering Mechanics
Heat Transfer, Refrigeration and Air Conditioning
Hydraulic Machines
Hydraulics and Fluid Mechanics
IC Engines and Nuclear Power Plants
Industrial Engineering and Production Management
Machine Design
Production Engineering
Steam Boilers and Engines
Steam Nozzles and Turbines
Strength of Materials
Theory of machines
Thermodynamics
Workshop Technology