Waec Model Questions Vol1 2023 Agricultural Science Question 32

Practice objective / multiple choice question 32 from the 2023 Waec Model Questions Vol1 Agricultural Science examination.

Waec Model Questions Vol1 2023 Agricultural Science Objective / Multiple Choice Medium Difficulty
Question 32 WAEC_MODEL_QUESTIONS_VOL1 • 2023 • AGRICULTURAL_SCIENCE • objective
Waec Model Questions Vol1 2023 Agricultural Science Question 32 diagram

The diagram shows a tractor PTO shaft (driver pulley) of diameter 10 cm rotating at the standard speed of 540 rpm. A belt drives a secondary pulley of diameter 20 cm which is directly coupled to a grain‑harvester drum of radius 0.5 m. The drum must rotate at a linear speed of at least 2.5 m s⁻¹ for efficient operation. Determine whether the PTO can supply the required drum speed.

Answer Options

A. Yes, the PTO can provide the required drum speed (actual speed ≈ 2.5 m s⁻¹)
B. No, the PTO cannot provide the required drum speed (actual speed ≈ 14.1 m s⁻¹)
C. No, the PTO cannot provide the required drum speed (actual speed ≈ 7.0 m s⁻¹)
Correct Answer D. Yes, the PTO can provide the required drum speed (actual speed ≈ 14.1 m s⁻¹)
Correct Answer
D
Correct Option:
Yes, the PTO can provide the required drum speed (actual speed ≈ 14.1 m s⁻¹)

About This Question

This is Waec Model Questions Vol1 2023 Agricultural Science Question 32. It is one of the objective questions from the 2023 Waec Model Questions Vol1 Agricultural Science examination.

Difficulty level: Medium .

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