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Chemical Engineering - Chemical Engineering Basics

Exercise : Chemical Engineering Basics - Section 16
6.
A boy weighing 110lb climbs up a 50 ft high vertical destination in 100 seconds. Horse power of the boy is __________ hp.
0.1
0.5
0.8
1
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
Endurance is a measure of fatigue limit of a metal. Fatigue crack in nitrided machine parts originates
at the surface.
within the core.
just below the surface.
anywhere on the surface.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
Carbon percentage in high speed steel tool material is 0.6 to 1.0. The hardness of carbon tool steels is increased, when it is alloyed with
vanadium & chromium
silicon
tungsten
manganese
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
Draft allowance given to patterns is for
compensating the liquid state shrinkage.
easy removal of pattern from the mold cavity.
providing support for the core placement.
compensating the solidification shrinkage.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
Which of the following welding processes employs the highest welding temperature ?
Arc welding
Gas welding
Thermit welding
Resistance welding
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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