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.Management Sciences
Category: Chemical Engineering Basics
A material is capable of resisting softening at high temperature, because of its property termed as____________________?
0
A. Hot temper
B. Hot hardness
C. Fatigue
D. Creep
Energy to be supplied to the radioactive nucleus for the emission of a neutron is ________________ MeV?
A. 0.8
B. 7.8
C. 200
D. 10000
The best lubricants for a machine working at high temperature & load is_________________?
A. Grease
B. Solid lubricant
C. Animal oils
D. Mineral oils
If a nuclear reactor produces more fissile nuclear fuel than it consumes, then it is called a _____________ reactor?
A. Critical
B. Breeder
C. Fertile
D. Heterogeneous
Which of the following mainly decides the current to be employed is arc welding ?
A. Electrode size
B. Plate thickness
C. Voltage across the arc
D. Welded portion length
Thermit welding is categorised as the ______________________ welding ?
A. Forge
B. Fusion
C. Resistance
D. Arc
Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts same. Shafts made by _____________ have residual stresses ?
A. Forging
B. Cold rolling
C. Hot rolling
D. Casting
The function of neutral flux used in the pyrometallurgy of metal extraction is to increase the _____________ of the slag ?
A. Fluidity
B. Basicity
C. Acidity
D. Viscosity
In inventory control theory, the economic order quantity (EOQ) is the____________________?
A. Lot size corresponding to break even analysis
B. Average level of inventory
C. Optimum lot size
D. None of these
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