महाराष्ट्र कृषि सेवा मुख्य परीक्षा २०१७

Wind speeds increase with height. Wind speeds have traditionally been measured at a standard height of _______ where they are found to be _______ greater, than close to the surface.

The best suited material for the construction of transformer core is

While conducting a short-circuit test on a transformer, the following side is short-circuited : 

______ is one of the low cost fences that is widely used for confining diary cattle.

The core of a transformer is made up of laminations in order to

The most widely used material of a solar cell is 

As air moves across the surface of the Earth, its speed and direction changes by the local topography as well as by

Regarding testing of a transformer, the following statements are made :

a. Open circuit and short circuit tests can determine efficiency only.
b. Open circuit and short circuit tests are simple to conduct,

c. Power required to carry out open circuit and short circuit tests is very large compared with full-load output of a transformer.

d. Direct loading method can also be used to determine efficiency and regulation of a transformer.
Out of the above, following statement/s is/are true :

Biogas consists of 

In this type of energy conversion system, it will have a cut-in speed, rated speed and cut-out speed.

The compressive strength of concrete used for different structures is in the range of

A building is to be constructed on alluvial soil having a bearing pressure of 5000 kg/sq.m. What shall be the width of masonry foundation having 4000 kg of dead load per running metre of the wall ?

The flooring material which is a mixture of linseed oil, gums and resins, pigments, wood floor, cork dust and other filling materials is termed as

Use of steel trusses is economical when it is used for spans greater than

In shallow foundations, if the wall rests directly on foundation concrete without any step, it is called

Which equation is used to estimate the velocity of flow through a channel in designing grass waterways ?

In the following formula, 'X' is used to compute which parameter ?

where, S = Slope of land in percent
            VI= Vertical interval in metres

Which one of the following is not a type of bench terrace ?

Kinetic Energy of a rainfall storm is determined by which equation where unit of K.E. is m-tonnes/ha-cm ?

where, I = rainfall intensity, cm/hr

Erosivity is defined as