D:-Vibration coefficient
Correct Answer:- Option-B

Question10:-The appropriate approach for calculating depreciation when a tractor is
purchased for its entire operational lifespan and not intended for resale is the

A:-Straight line method
B:-Compound interest method
C:-Constant percentage method
D:-Estimated method

Correct Answer:- Option-A

Question11:-In the equation (S = C + Ntan @) to determine the shear stress at the
soil failure surface when a tillage tool moves in soil, which factor is represented by
the letter »

A:-Angle of soil cohesion
B:-Angle of cutting edge
C:-Angle of internal friction
D:-Angle of attack

Correct Answer:- Option-C

Question12:-Which of the following statements are true regarding the fluid
properties affecting droplet size in agricultural spraying?

1. increased surface tension decreases the size of droplets

ii. increased surface tension increases the size of droplets

iii. increased viscosity increases droplet sizes

iv. increased viscosity decreases droplet sizes

A:-i and iii are correct
B:-ii and iv are correct
C:-ii and iii are correct
D:-only ii is correct
Correct Answer:- Option-C

Question13:-The rate at which energy is received from the sun on a unit area
perpendicular to the rays of the sun, at mean distance of the earth from the sun will
be

A:-1.353 kilowatts per square meter
B:-1353 W/m?

C:-11.65 Langley's

D:-42.92 Btu per sq.ft

Correct Answer:-Question Cancelled

Question14:-The instrument employed for measurement of the total hemispherical
solar radiation is

A:-pyrheliometer