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Chemical Engineering - Chemical Engineering Basics

Exercise : Chemical Engineering Basics - Section 5
16.
The units of the rate constant for a second order reaction are
sec-1. mole°.
moles1. sec-1.
moles-1. sec1.
moles1. sec1.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
The most serious manufacturing defect from fracture toughness point of view is
surface roughness
pores
spherical inclusion
crack
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
Leakage in a cooking gas cylinder is detected by
radio-isotopes.
pouring soap solution on the surface and locating the gas bubbles.
halide torch.
pungent smell of mercaptans present in the gas.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
Which of the following is the most wear resistant grade of carbide used for the cutting tools?
Aluminium carbide
Tungsten carbide
Nickel carbide
Iron carbide
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
The ratio of mass of a neutron to that of an electron is about 1839. What is the ratio of the mass of a proton to that of an electron?
159
1837
2537
10000
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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