Q.171. Reynolds number is the ratio of the inertia force to the
(a) surface tension force
(b) viscous force
(c) gravity force
(d) elastic force
Answer : option B
Q.172. A river training work is generally required when the river is
(a) aggrading type
(b) meandering type
(c) degrading type
(d) both (A) and (C)
Answer : option B
Q.173. Generally the ratio of different ingredients (Cement Sand and aggregate) in concrete mix of grade M20
(a) 1 : 2 : 4
(b) 1 : 15 : 3
(c) 1 : 3 : 6
(d) 1 : 1 : 2
Answer : option B
Q.174. Fineness test of cement gives us an estimate of :
(a) Workability of concrete
(b) heat of hydration
(c) rate of hydration
(d) durability of concrete
Answer : option C
Q.175. Typically, a hydroelectric plant will have following hydraulic machine:
(a) Hydraulic Turbine
(b) Hydraulic Pump
(c) Electric Motor
(d) None of the above
Answer : option A
Q.176. Darcy – Weisbach equation to calculate the head loss due to friction for flow through pipes is applicable when the flow through the pipes can be
(a) laminar flow
(b) turbulent flow
(c) both laminar and turbulent
(d) subcritical flow
Answer : option C
Q.177. The ratio of the quantity of water stored in the root zone of the crops to the quantity of water actually delivered in the field is known as
(a) water use efficiency
(b) water conveyance efficiency
(c) water application efficiency
(d) water storage efficiency
Answer : option C
Q.178. A 300 x 300 mm R.C. column in reinforced with 8 bars, four bars are of 12mm diameter. The diameter of lateral ties is 6 mm. The pitch of lateral ties shall be kept as:
(a) 288 mm
(b) 160 mm
(c) 192 mm
(d) 300 mm
Answer : option C
Q.179. The width of lacing bars in mm is kept:
(a) twice the nominal rivet diameter
(b) thrice the nominal rivet diameter
(c) maximum of the all rounded to nearest 5mm
(d) equal to normal rivet diameter
Answer : option A
Q.180. The bearing stress at bends for limit state method compared to working stress method of design is:
(a) 1.5 times more
(b) 2.5 times more
(c) 2.5 times less
(d) 1.5 times less
Answer : option A
Q.173. Generally the ratio of different ingredients (Cement Sand and aggregate) in concrete mix of grade M20
(a) 1 : 2 : 4
(b) 1 : 15 : 3
(c) 1 : 3 : 6
(d) 1 : 1 : 2
Answer : option B
Q.174. Fineness test of cement gives us an estimate of :
(a) Workability of concrete
(b) heat of hydration
(c) rate of hydration
(d) durability of concrete
Answer : option C
Q.175. Typically, a hydroelectric plant will have following hydraulic machine:
(a) Hydraulic Turbine
(b) Hydraulic Pump
(c) Electric Motor
(d) None of the above
Answer : option A
Q.176. Darcy – Weisbach equation to calculate the head loss due to friction for flow through pipes is applicable when the flow through the pipes can be
(a) laminar flow
(b) turbulent flow
(c) both laminar and turbulent
(d) subcritical flow
Answer : option C
Q.177. The ratio of the quantity of water stored in the root zone of the crops to the quantity of water actually delivered in the field is known as
(a) water use efficiency
(b) water conveyance efficiency
(c) water application efficiency
(d) water storage efficiency
Answer : option C
Q.178. A 300 x 300 mm R.C. column in reinforced with 8 bars, four bars are of 12mm diameter. The diameter of lateral ties is 6 mm. The pitch of lateral ties shall be kept as:
(a) 288 mm
(b) 160 mm
(c) 192 mm
(d) 300 mm
Answer : option C
Q.179. The width of lacing bars in mm is kept:
(a) twice the nominal rivet diameter
(b) thrice the nominal rivet diameter
(c) maximum of the all rounded to nearest 5mm
(d) equal to normal rivet diameter
Answer : option A
Q.180. The bearing stress at bends for limit state method compared to working stress method of design is:
(a) 1.5 times more
(b) 2.5 times more
(c) 2.5 times less
(d) 1.5 times less
Answer : option A
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