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.Management Sciences
Category: Chemical Engineering Basics
Methyl orange indicator turns_____________________?
A. Orange yellow in alkaline medium
B. Orange yellow in acidic medium
C. Colourless in acidic medium
D. Colourless in basic medium
A material subjected ________________ must have high resilience?
A. Shock loading
B. Vibration
C. Fatigue
D. Tension
In the formation of cermets, the ratio of ceramic material to metallic material is usually 80:20. Which of the following is a cermet ?
A. Zirconia
B. Alumina
C. Bakelite
D. Tungsten carbide
The most important function of a washer is to provide bearing area and washers are normally specified by their hole diameters. The diameter of washer as compared to the nut is__________________?
A. More
B. Less
C. Same
D. More but less than the diameter of bolt
The friction factor for the turbulent fluid flow in a rough pipe does not depend upon the_________________?
A. Pipe roughness & pipe diameter
B. Fluid velocity
C. Type of flowing fluid
D. Both B. & C.
Pick out the wrong statement ?
A. Geothermal energy is a non-conventional source of energy
B. Mass is converted into energy in both nuclear fission & fusion reaction
C. Inhalation of mercury vapour is not harmful for human beings
D. Inhalation of arsenic causes cancer
Basic open hearth furnace (BOF) is not used for producing ______________ steel?
A. Killed
B. Rimming
C. High alloy
D. None of these
Nuclear fission of one atom of uranium-235 produces the energy equivalent to about ____________ MeV?
A. 20
B. 200
C. 500
D. 2000
Materials having ________________ lattice structure are usually the most ductile ?
A. Body centred cubic (bcc)
B. Hexagonal close packed (hcp)
C. Face centred cubic (fcc)
D. None of these
During sensible heating of humid air__________________?
A. Relative humidity increases
B. Dew point remains constant
C. Dry bulb & wet bulb temperature increases
D. Both B & C
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