Chemical Engineering - Chemical Engineering Basics

6.
Filler metal is used in __________ welding.
braze
electric spot
projection
seam
Answer: Option
Explanation:
No answer description is available. Let's discuss.

7.
Acetylene should never be conveyed through __________ pipe, as it forms an unstable compound that dissociates violently at the slightest shock.
stainless steel
copper
aluminium
brass
Answer: Option
Explanation:
No answer description is available. Let's discuss.

8.
Which of the following contains the least percentage of carbon ?
Pig iron
Wrought iron
Cast iron
Malleable iron
Answer: Option
Explanation:
No answer description is available. Let's discuss.

9.
Electric arc furnace is employed mainly for the production of __________ steel.
high carbon
alloy
mild
plain carbon
Answer: Option
Explanation:
No answer description is available. Let's discuss.

10.
Heat treatment of steel is done mainly to change its
mechanical properties.
physical properties,
chemical composition.
all 'a', 'b' & 'c'.
Answer: Option
Explanation:
No answer description is available. Let's discuss.