Power and Industrial Plant Engineering Quiz

A vertical turbine pump with the jump and motor closed coupled and design to be installed underground, as in the case of a deepwell pump.

• Horizontal split case pump

• Booster pump

• Submersible pump

• Vertical shaft turbines pump

An underground formation that contains sufficient saturated permeable material to yield significant quantities of water.

• Aquifer

• Ground water

• Wet pit

• Well water

A timber, concrete or masonry enclosure having a screened inlet kept partially filled with water by an open body of water such as pond, lake, or steams.

• Aquifer

• Ground water

• Wet pit

• Well water

Water which is available from well, driven into water bearing subsurface strata (aquifer)

• Aquifer

• Ground water

• Wet pit

• Well water

Imparts velocity to the liquid, resulting from centrifugal force as the impeller is rotated.

• Impeller

• Stuffing box

• Casing

• Shaft sleeve

A means of throttling the leakage which would otherwise occur at the point of entry of the shaft into the casing.

• Impeller

• Stuffing box

• Casing

• Shaft sleeve

Protect the shaft where it passes through the stuffing box.

• Impeller

• Stuffing box

• Casing

• Shaft sleeve

The ratio of the actual vapor density to the vapor density at saturation

• Relative humidity

• Absolute humidity

• Humidity ratio

• Saturation ratio

An expression of the mass of water vapor per unit mass of dry air

• Relative humidity

• Absolute humidity

• Humidity ratio

• Saturation ratio

Which of the following is equivalent to 1lb?

• 5000 grains

• 6000 grains

• 7000 grains

• 8000 grains