|1||In agricultural tractors, the vibration level is in the range?||2 – 8Hz|
|2||The safe level of noise for human being ranges between?
|3||The temperature range is most Practical comfort zone for a human operator.?||20 to 30 C|
|4||The green house structures in India are usually designed to withstand wind speeds of ………. km/hand wind pressure of ………. kg/sq.m.?||110 and 50|
|5||The rate of air movement should range between ……….cum/h/sq.m. of green house floor area in Horizontal Air Flow (HAF) cooling system.?||36 to 54|
|6||………. gas is present in biogas in larger proportion.?||Methane|
|7||On an average sunny days in India, the solar collector having area of 1 Sq.m. can provide ……….litre of hot water at about 60C?||100|
|8||The solar energy is converted into ………. by the solar cells in solar panel.?||Electrical energy|
|9||The minimum wind speed required for working of a wind mill is ………. kmph?||10|
|10||Biomass can be converted into?
|11||Detachment of soil particle from parent material by the beating action of rain drop is?||Splash erosion|
|12||Froude number is the ratio of?||Inertial force to gravitational force|
|13||The imaginary line drawn through the earthen embankment to separate the zone having hydro static pressure and zone having no hydro-static pressure is known as.?||Phreatic line|
|14||In clay soils the particle detachment is less as compared to sandy soils because?||Clay soils have more cohesive force than sandy soils|
|15||Soil erosion will be more from the land-whose surface is?||Covered by cultivated crop|
|16||Contour bunds are recommended for the areas of ?||Low rainfall and high infiltration capacity|
|17||Drop structures are designed in respect of ….?
|18||In order that the plants in every corner should receive maximum light, the green house axis isplaced in ………. direction.?||East – West|
|19||Green houses can be broadly classified as wooden framed, pipe framed and truss framed structures
based on …?
|20||The primary objective of surveying is to prepare a ..?||Map|
|21||In face left position of theodolite, The position of vertical circle is on ………. of observer.?||Left|
|22||The reading taken by level on levelling staff kept at point of known elevation is entered as ……….reading.?||Back sight|
|23||Ratio of area of watershed to the area of circle having perimeter equal to perimeter of watershed is
|24||When flow changes from ………. hydraulic jumps occurs.?||Super critical to Sub critical|
|25||The discharge in distributaries is usually?
|Less than 30 cumec|
|26||The structure used for passing the canal over the natural drain is called as?||Aqueduct|
|27||The phenomenon ‘Weld decay’ is associated with?||Stainless steel|
|28||The cold chisels are made by?||Forging|
|29||A watershed can be termed as small watershed when?||overland flow is major contributor|
|30||The ratio of sum of length of all channel segments of all orders in a watershed to the area of watershed is known as?||Drainage density|