Gce Model Questions Vol1 2020 Agricultural Science Question 19

Practice objective / multiple choice question 19 from the 2020 Gce Model Questions Vol1 Agricultural Science examination.

Gce Model Questions Vol1 2020 Agricultural Science Objective / Multiple Choice Medium Difficulty
Question 19 GCE_MODEL_QUESTIONS_VOL1 • 2020 • AGRICULTURAL_SCIENCE • objective

A tractor travels at a constant speed of 5 km h\(^{-1}\) in a field. Its wheels have a diameter of 1.2 m. (a) Determine the wheel revolutions per minute. (b) If the implement attached has a working width of 2.5 m and a field efficiency of 90 % (i.e., 10 % overlap loss), calculate the theoretical field capacity in hectares per hour. Give wheel rev to one decimal place and capacity to two decimal places.

Answer Options

Correct Answer A. 22.1 rpm; 1.13 ha h^{-1}
B. 22.1 rpm; 1.00 ha h^{-1}
C. 24.0 rpm; 1.20 ha h^{-1}
D. 20.5 rpm; 1.05 ha h^{-1}
Correct Answer
A
Correct Option:
22.1 rpm; 1.13 ha h^{-1}

About This Question

This is Gce Model Questions Vol1 2020 Agricultural Science Question 19. It is one of the objective questions from the 2020 Gce Model Questions Vol1 Agricultural Science examination.

Difficulty level: Medium .

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