Chemical Engineering Basics

191. Consider the equilibrium A_(g) + B_(g) = AB_(g). When the partial pressure of A is 10^-2 atm, the partial pressure of B is 10^-3 atm and the partial pressure of AB is 1 atm, the equilibrium constant 'K' is

1. 10 atm^-1
2. 10⁵ atm^-1
3. 10 (dimensionless)
4. 10⁵ (dimensionless)

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192. Consideration of the creep is the most important in case of the

1. Blades of gas turbine
2. Piston of an I. C. engine
3. Flywheel of steam engine
4. Cycle chain

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193. Constituents of stellite are

1. Zinc, copper & nickel
2. Cobalt, chromium & tungsten
3. Zinc, aluminium & nickel
4. Nickel, cobalt & vanadium

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194. Consumable electrodes are used in the __________ welding.

1. Gas
2. Arc
3. Thermit
4. Resistance

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195. Copper deposits are found in India at the following location:

1. Kudremukh
2. Kolar
3. Khetri
4. Ramagundam

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196. Corona discharge is related to the operation of a/an

1. Induction motor
2. Electrostatic precipitator
3. Fast breeder reactor
4. Magneto hydrodynamic generator (MHD)

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197. Corrosion is

1. A physical phenomenon
2. A chemical phenomenon
3. Same as erosion
4. An uncontrollable phenomenon

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198. Corrosion of metals cannot be prevented by its

1. Tempering
2. Chromising
3. Aluminising
4. Alloying

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199. Corrosion rate cannot be lowered by reducing the __________ of the corroding medium.

1. Concentration
2. Velocity
3. Temperature
4. None of these

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200. Cupola produces __________ iron.

1. Pig
2. Cast
3. Wrought
4. Carbon free

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