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.Management Sciences
Category: Chemical Engineering Basics
Addition of _____________________ to steel does not impart hardness?
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A. Nickel
B. Copper
C. Chromium
D. Silicon
Nickel is a _________________ material?
A. Ferromagnetic
B. Semi-conductor
C. Paramagnetic
D. Ferroelectric
Increase in temperature, in general results in the____________________?
A. Decrease in the viscosities of both liquids & gases
B. Increase in the viscosities of both liquids & gases
C. Increase in the viscosity of liquids and decrease in that of gases
D. Decrease in the viscosity of liquids and increase in that of gases
An approximately _____________ process exemplifies the flow of a gas through a very long pipe of uniform cross-section ?
A. Adiabatic
B. Isothermal
C. Isentropic
D. Isochoric
On oscilloscope screen for dynamic measurement, lissajous diagram is normally used to determine the ______________ of the input signal?
A. Frequency
B. Amplitude
C. Damping
D. None of these
For preparation of porous bearings by powder metallurgy, preferred particle shape is___________________?
A. Spherical
B. Nodular
C. Irregular
D. No preferred shape
The noble metals________________?
A. Are exemplified by Na, K and Li
B. Do not resist corrosion very strongly
C. Are the lowermost in the electro-chemical series of metals
D. None of these
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