Question 1
A pump delivers 600 gpm against a total dynamic head of 80 ft at 75% efficiency. What brake horsepower is required?
Correct Answer:
16.2 hp
Question 2
What is the primary reason a pump must have adequate net positive suction head available (NPSHA)?
Correct Answer:
To avoid cavitation at the impeller eye
Question 3
If a fan speed is doubled while the system geometry stays the same, which set of fan-law changes is correct?
Correct Answer:
Flow doubles, pressure quadruples, power increases eightfold
Question 4
A transmitter uses a standard 4-20 mA output. What current corresponds to 50% of span?
Correct Answer:
12 mA
Question 5
A three-phase motor draws 25 A at 480 V and delivers 15 kW of real power. What is the power factor, approximately?
Correct Answer:
0.72
Question 1
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About this Exam

Prepare with the PE Agricultural Practice Questions - PE Agricultural Engineering Exam practice quiz. This question bank includes 100 questions covering efficiency, rate, approximately, power, and factor. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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PE Agricultural Practice Questions - PE Agricultural Engineering Exam

This practice set contains 100 questions from the matching question bank and focuses on efficiency, rate, approximately, power, and factor. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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