A. Electrostatic precipitator
B. Wet scrubber
C. Bag filter
D. Gravity settling chamber
Related Mcqs:
- 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 - Which of the following properties of a solid is not dependent on crystal imperfection ?
A. Ductility
B. Semi-conductivity
C. Melting point
D. Yield stress - The most economical channel section for the fluid flow is the one for which the discharge is maximum for a given cross-sectional area. Vertical velocity distribution in an open channel for laminar flow can be assumed to be_______________?
A. Parabolic
B. Hyperbolic
C. Straight line
D. None of these - What is the value of included angle of a triangular notch for maximum discharge ?
A. 30°
B. 60°
C. 90°
D. 120° - Compressed dry air is used as the cutting fluid, while machining____________________?
A. Steel
B. Cast iron
C. Aluminium
D. None of these - Moist air is cooled along the line of constant ________________ , when it is passed over a cold & dry cooling coil, such that no condensation occurs ?
A. Enthalpy
B. Relative humidity
C. Wet bulb temperature
D. Dew point temperature - Dry saturated steam can be converted into super heated steam by____________________?
A. Increasing its cross-sectional area of flow
B. Passing it through a pressure reducing valve
C. Forcing it downwards through a vertical tube
D. None of these - Percentage of argon (by volume) in dry atmospheric air is about________________?
A. 0.09
B. 0.3
C. 0.57
D. 0.94 - Dryness fraction of dry steam is_________________?
A. 0
B. ∞
C. 1
D. 0.5 - Latent heat of dry steam at atmospheric pressure is 539 Kcal/kg; which _____________ with increase in the pressure of steam?
A. Decreases
B. Increases
C. Remain same
D. May increase or decrease
