IRRIGATION EXAM 2 PRACTICE TEST
100% CORRECT!
, T F Surge irrigation is used along with center pivot swing arms to provide more uniform
irrigation? - ANSWER False
T F Worn or cracked gaskets can be replaced to reduce leaks between sections of
aluminum sprinkler pipe by the farmer? - ANSWER True
T F Gaskets between 3 inch hand line sprinklers are made of only one material,
rubberized leather. - ANSWER False
T F The lateral carries water from the pump to the mainline. - ANSWER False
T F Organic matter percentage and soil texture affect the intake or infiltration rate of
water? - ANSWER True
T F Trimming an impeller means to put it into a different volute case? - ANSWER False
T F If water is applied to a soil in excess of the infiltration rate, runoff will occur? -
ANSWER True
T F The volute case is a protective covering on a center pivot "big gun?" - ANSWER
False
T F Pump panels contain the electrical protection and on/off switch for pump motors? -
ANSWER True
T F A displacement pump can have the discharge valve closed most of the way without
damaging the pump? - ANSWER False
________impellers can pass the largest debris but have lower pressure capabilities. -
ANSWER Open
_______ is used to convey water from the mainline to furrows in a surface irrigation
system where it is then discharged through small adjustable openings in the pipe. -
ANSWER Gated Pipe
Most industrial pumps run on what phase of power? - ANSWER Three
Two examples of______ -duty loads include furnace fans and air compressors. -
ANSWER intermittent
100% CORRECT!
, T F Surge irrigation is used along with center pivot swing arms to provide more uniform
irrigation? - ANSWER False
T F Worn or cracked gaskets can be replaced to reduce leaks between sections of
aluminum sprinkler pipe by the farmer? - ANSWER True
T F Gaskets between 3 inch hand line sprinklers are made of only one material,
rubberized leather. - ANSWER False
T F The lateral carries water from the pump to the mainline. - ANSWER False
T F Organic matter percentage and soil texture affect the intake or infiltration rate of
water? - ANSWER True
T F Trimming an impeller means to put it into a different volute case? - ANSWER False
T F If water is applied to a soil in excess of the infiltration rate, runoff will occur? -
ANSWER True
T F The volute case is a protective covering on a center pivot "big gun?" - ANSWER
False
T F Pump panels contain the electrical protection and on/off switch for pump motors? -
ANSWER True
T F A displacement pump can have the discharge valve closed most of the way without
damaging the pump? - ANSWER False
________impellers can pass the largest debris but have lower pressure capabilities. -
ANSWER Open
_______ is used to convey water from the mainline to furrows in a surface irrigation
system where it is then discharged through small adjustable openings in the pipe. -
ANSWER Gated Pipe
Most industrial pumps run on what phase of power? - ANSWER Three
Two examples of______ -duty loads include furnace fans and air compressors. -
ANSWER intermittent
