Practice Pakistan's most useful MCQs for competitive exams

The meander pattern of a river is developed by_________________?

• (A)  average discharge
• (B)  dominant discharge
• (C)  maximum discharge
• (D)  critical discharge

Answer

Submitted By :Ali Uppal

If the R.L’s of canal bed level and high flood level of drainage are 212.0 m and 210.0 m respectively, then cross drainage work will be________________?

• (A)  aqueduct
• (B)  superpassage
• (C)  syphon
• (D)  syphon aqueduct

Answer

Submitted By :Ali Uppal

The ratio of rate of change of the discharge of an outlet to the rate of change of the discharge of distributing channel is called________________?

• (A)  proportionality
• (B)  flexibility
• (C)  setting
• (D)  sensitivity

Answer

Submitted By :Ali Uppal

Vertical drop fall is satisfactory for a height upto ___________?

• (A)  0.5 m
• (B)  1.5 m
• (C)  3.5 m
• (D)  5.0 m

Answer

Submitted By :Ali Uppal

A straight glacis type fall with a baffle platform and a baffle wall is called_____________?

• (A)  vertical dropfall
• (B)  glacis fall
• (C)  Montague type fall
• (D)  inglis fall

Answer

Submitted By :Ali Uppal

The flow-mass curve is graphical representation of__________________?

• (A)  cumulative discharge and time
• (B)  discharge and percentage probability of flow being equaled or exceeded
• (C)  cumulative discharge, volume and time in chronological order
• (D)  discharge and time in chronological order

Answer

Submitted By :Ali Uppal

The stage of river carrying a discharge of Q m7sec at a point is 10 m and slope of water surface is (1/4000). The discharge of a flood at the same point and same stage of 10 m with a water surface slope of(l/1000) will be________________?

• (A)  V2 Q m3/sec
• (B)  0.5 Q mVsec
• (C)  2 Q m3/sec
• (D)  4 Q m3/sec

Answer

Submitted By :Ali Uppal

A 6 hours storm had 4 cm of rainfall and the resulting runoff was 2 cm. If <j) index remains at the same value, the runoff due to 10 cm of rainfall in 12 hours in the catchment is___________________?

• (A)  4.5 cm
• (B)  6.0 cm
• (C)  7.5 cm
• (D)  9.0 cm

Answer

Submitted By :Ali Uppal

The most suitable chemical which can be applied to the water surface for reducing evaporation is________________?

• (A)  methyl alcohol
• (B)  ethyl alcohol
• (C)  cetyl alcohol
• (D)  butyl alcohol

Answer

Submitted By :Ali Uppal

The maximum average depth due to one day storm over an area of 100 km2 is 100 mm. Depth-Area-Duration (DAD. curves indicate that for the same area of 100 km2 the maximum average depth for a 3 hour storm will be__________________?

• (A)  100 mm
• (B)  more than 100 mm
• (C)  less than 100 mm
• (D)  none of the above

Answer

Submitted By :Ali Uppal