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.Management Sciences
Category: Chemical Engineering Basics
LVDT used for displacement measurement is a/an _______________ Transducer?
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A. Passive
B. Active
C. Capacitive
D. None of these
While the bin cards are used in the effective stores management, the queuing theory is associated with the _______________ time ?
A. Waiting
B. Idle
C. Inspection
D. Tool replacement
Case hardening of a material is__________________?
A. Followed by tempering or carburising
B. Preceded by its tempering
C. Done to get a soft ductile interior with a very hard surface
D. Carried out to get extreme hardness in its core
Tin based white metals are used, where bearings are subjected to___________________?
A. High pressure & load
B. Low pressure & load
C. High temperature
D. Large surface wear
Closeness of packing is maximum in case of ____________________ crystal lattice?
A. Face centred
B. Simple cubic
C. Body centred
D. None of these
Which of the following forces does not act on a fluid at rest ?
A. Viscous force
B. Gravity force
C. Hydrostatic force
D. Surface tension force
Name the safety device used to protect the boiler, when the water level falls below a minimum level ?
A. Blow down valve
B. Blow off cock
C. Fusible plug
D. Safety valve
Softening of hardened steel is done by its____________________?
A. Normalising
B. Tempering
C. Annealing
D. Carburising
Maximum change in the hardness of martensite occurs in the carbon content range of _____________ percent in steel?
A. 0.01 to 0.10
B. 0.2 to 0.4
C. 0.5 to 0.7
D. 0.8 to 1.0
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