Mechanical Engineering - Production Engineering

1.
Dielectric is used in
electro-chemical machining
ultra-sonic machining
electro-discharge machining
laser machining
Answer: Option
Explanation:
No answer description is available. Let's discuss.

2.
The type of reamer used for reaming soft aluminium or copper, is
straight fluted reamer
left hand spiral fluted reamer
right hand spiral fluted reamer
any one of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.

3.
The tool material, for faster machining, should have
wear resistance
red hardness
toughness
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.

4.
The helix angle of a drill is more than 30° for drilling aluminium.
Agree
Disagree
Answer: Option
Explanation:
No answer description is available. Let's discuss.

5.
In a single point turning operation with a cemented carbide and steel combination having a Taylor exponent of 0.25, if the cutting speed is halved, then tool life will become
half
two times
eight times
sixteen times
Answer: Option
Explanation:
No answer description is available. Let's discuss.