Related Questions

Salinization occurs when the irrigation water accumulated in the soil evaporates, leaving behind salts and minerals. What are the effects of salinization on the irrigated land?
A It greatly increases the crop production
B It makes some soils impermeable
C It raises the water table
D It fills the air spaces in the soil with water
If 'air' is called 'green', is called 'red', 'red' is called 'sea', is called 'blue', 'blue' is called 'water' and 'water' is called 'pink', then what is the color of grass?
A Green
B Air
C Red
D Pink
If Dust is called Air, Air is called Fire, Fire is called Water, Water is called Colour, Colour is called Rain and Rain is called Dust, where do Fish live ?
A Dust
B Fire
C Colour
D Water
The scales form in heat exchanges after a period of operation and provide additional resistance to heat transfer with some heat transfer coefficient . The reciprocal of this scale heat transfer coefficient is called .
A scaling factor
B forming factor
C resisting factor
D fouling factor
Water flows into an empty 64-gallon drum through pipe A and flows out through pipe B. If the rate of flow through A is 2 gallons/hour, how many gallons per hour must flow out through pipe B so that the drum is full in exactly 96 hours?
A 3/8
B 1/2
C 2/3
D 4/3
In convection heat transfer from hot flue gases to water tube, even though flow may be turbulent, a laminar flow region (boundary layer of film) exists close to the tube. The heat transfer through this film takes place by
A Convection
B Radiation
C Conduction
D Both convection and conduction
One half of a pole is deep into the soil under water, one-third of it is above the soil under water and 2 meters of it is above the water level. The total length of the pole in meters is :
A 8
B 10
C 12
D 14
One-half of a pole is deep into the soil under water, one-third of it is a above the soil under water and 2 meters of it is above the water level. What is the total length of the pole (in meters)?
A 8
B 10
C 12
D 14
One half of pole is deep into the soil under water, one-third of it is above the soil under water and two meters of it is above the water level. The total length of the pole in meter is-
A 8
B 10
C 12
D 14
In order to create an isometric circle to represent a hole through the top surface of a box, the drafter must insure that the correct iso-plane has been selected by scrolling through the iso-planes using the ________ key.
A F1
B F3
C F5
D F8

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