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.Management Sciences
Category: Chemical Engineering Basics
In practice, the compression ratio of compression-ignition (CI) engine ranges from ______________________?
0
A. 15 to 25
B. 5 to 10
C. 40 to 55
D. 60 to 70
Venturimeter is used to measure the flow rate of fluids in pipes, when the pipe is in ______________ position ?
A. Horizontal
B. Vertical
C. Inclined
D. Any
Function of gear box is to____________________?
A. Reduce the speed
B. Obtain variable speed
C. Increase the speed
D. Produce high torque
Non-ferrous alloys used for making cutting tools need not have high__________________?
A. Abrasion resistance
B. Toughness
C. Red hardness
D. Cutting speed
A spring material should have low__________________?
A. Elastic limit
B. Deflection value
C. Fatigue resistance
D. None of these
____________ is the process used for setting up compressive stresses in the surface of a metal to improve its fatigue strength ?
A. Lancing
B. Shot peening
C. Slugging
D. Spinning
_______________ is the most important element, which controls the physical properties of steel ?
A. Manganese
B. Silicon
C. Carbon
D. Vanadium
‘Flare tower’ used in industry is meant for_____________________?
A. Venting off (after burning) the excess inflammable/toxic gases at high pressure
B. Absorbing the pollutant gases from the furnace exhaust
C. Cooling of furnace exhaust gases
D. None of these
A gas which is collected over water becomes moistened due to water vapor, exerts its own partial pressure at the gas temperature, which is termed as its_______________?
A. Aqueous tension
B. Saturated humidity
C. Vapor pressure
D. Absolute humidity
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