Neco Model Questions Vol1 2019 Agricultural Science Question 4

Practice objective / multiple choice question 4 from the 2019 Neco Model Questions Vol1 Agricultural Science examination.

Neco Model Questions Vol1 2019 Agricultural Science Objective / Multiple Choice Medium Difficulty
Question 4 NECO_MODEL_QUESTIONS_VOL1 • 2019 • AGRICULTURAL_SCIENCE • objective

A hydraulic lift pump delivers 80 L min\(^{-1}\) at 210 bar. The lift cylinder has a piston area of 0.025 m\(^2\). (a) Calculate the theoretical lifting speed of the cylinder in m min\(^{-1}\). (b) If the system efficiency is 78 %, what is the actual lifting speed? (c) What is the hydraulic power required by the pump in kW (ignore losses)?

Answer Options

Correct Answer A. 3.2 m/min, 2.5 m/min, 28 kW
B. 4.0 m/min, 3.1 m/min, 32 kW
C. 2.9 m/min, 2.0 m/min, 24 kW
D. 3.5 m/min, 2.7 m/min, 30 kW
Correct Answer
A
Correct Option:
3.2 m/min, 2.5 m/min, 28 kW

About This Question

This is Neco Model Questions Vol1 2019 Agricultural Science Question 4. It is one of the objective questions from the 2019 Neco Model Questions Vol1 Agricultural Science examination.

Difficulty level: Medium .

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