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.Management Sciences
Category: Chemical Engineering Basics
Common salt is produced from sea water in India generally by the ________________ method?
A. Freeze drying
B. Solar evaporation
C. Electrolytic
D. None of these
Copper deposits are found in India at the following location ?
A. Kudremukh
B. Kolar
C. Khetri
D. Ramagundam
Good design of the casing of a centrifugal pump aims at minimising the __________________________?
A. Cavitation
B. Frictional losses
C. Kinetic energy loss
D. Static head
Fahrenheit and Centigrade scales have the same readings at _____________________?
A. -55°
B. -40°
C. -33°
D. -58°
A common disinfectant used in village wells for disinfection of water is __________________?
A. Free chlorine
B. Bromine
C. Iodine
D. Potassium permanganate
Heat required to raise the temperature of a body by 1 °C is called its_______________?
A. Heat capacity
B. Specific heat capacity
C. Thermal conductivity
D. Water equivalent
Alcohols are not suitable as diesel engine fuel because the cetane number of alcohols is____________________?
A. Very low which prevents their ignition by compression
B. Very high which prevents their ignition by compression
C. Zero
D. None of these
Probability of cavitation occuring becomes very high, when the local _______________ resulting ?
in water bubbles formation, which on rupture cause cavitation
A. Pressure falls below the vapour pressure
B. Pressure becomes very high
C. Temperature becomes low
D. All A, B & C
_________________ property of a material is determined by the Herbert Pendulum device?
A. Hardness
B. Tensile
C. Toughness
D. Compressive
Difference at any instant between the value of the controlled variable and the set point is called the__________________?
A. Deviation
B. Derivative time
C. Error ratio
D. Differential gap
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