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1
As per international norms, the maximum permissible value of noise level in the industrial environment is __________ decibels as measured at a distance of 1.5 metres from the source of noise.
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Answer: Option B
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2
The following type of bonding is strongly directional in solids.
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Answer: Option D
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3
The temperature at which ferromagnetic material can no longer be magnetised by the outside forces, is termed as the
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Answer: Option B
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4
Non-ferrous alloys used for making cutting tools need not have high
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Answer: Option B
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5
The gases used in the treatment of asthma is a mixture of __________ and oxygen.
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Answer: Option A
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6
Magnetic permeability of iron is increased by its
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Answer: Option B
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7
The yield point in fatigue loading compared to that in static loading is less. The ratio of ultimate tensile strength to endurance limit of a material subjected to fatigue loading is
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Answer: Option D
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8
FeO(s) + CO(g) = Fe(s) + CO2(g), k = 0.435 at 1173 E; At equilibrium, what will be the number of moles of CO gas required to reduce one mole of FeO at 1173 K?
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Answer: Option D
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9
Material of construction of foundary crucible is
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Answer: Option A
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10
Material of construction of foundary crucible is
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Answer: Option C
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