Mechanical Engineering - Workshop Technology

36.
The oxidising flame is similar to neutral flame but the inner cone is less luminous and shorter.
Yes
No
Answer: Option
Explanation:
No answer description is available. Let's discuss.

37.
A hacksaw blade is specified by its
length
material
width
number of teeth
Answer: Option
Explanation:
No answer description is available. Let's discuss.

38.
According to Indian standard specifications, 100 H6/g 5 means that.
basic size is 100 mm
actual size is 100 mm
difference between the actual size and basic size is 100 mm
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

39.
Which of the following statement is wrong?
The hot chamber die casting machine is used for casting zinc, tin, lead and other low melting alloys.
The cold chamber die casting machine is used for casting aluminium, magnesium, copper base alloys and other high melting alloys.
The castings produced by centrifugal casting method have open and coarse grained structure.
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

40.
The edge of a steel plate cut by oxygen cutting will get hardened when the carbon content is
less than 0.1 percent
less than 0.3 percent
more than 0.3 percent
any where between 0.1 to 1 percent
Answer: Option
Explanation:
No answer description is available. Let's discuss.