Civil Engineering MCQs

Page No. 149

The peak of a 4 hour flood hydrograph is 240 m3/sec . If the rainfall excess is 80 mm and base flow which is constant is 40 m3/sec, then the peak of 4-hours unit hydrograph will be__________________?


a20 3/sec

✖


b25 m3/sec

✓


c30 m3/sec

✖


d35 m3/sec

✖


View Answer 25 m3/sec

For a catchment area of 120 km2, the equilibrium discharge in m3/hour of an S-curve obtained by the summation of 6 hour unit hydro graph is_______________?


a 0.2 x 106

✓


b0.6 x 106

✖


c2.4 xlO6

✖


d7.2 xlO6

✖


View Answer 0.2 x 106

disThe shape of recession limb of a hydrograph depends upon________________?


abasin characteristics only

✓


b storm characteristics only

✖


cboth (A) and (B)

✖


dnone of the above

✖



The flow-mass curve is graphical representation of__________________?


acumulative discharge and time

✖


bdischarge and percentage probability of flow being equaled or exceeded

✖


ccumulative discharge, volume and time in chronological order

✓


ddischarge and time in chronological order

✖



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________________?


aV2 Q m3/sec

✖


b 0.5 Q mVsec

✖


c 2 Q m3/sec

✓


d 4 Q m3/sec

✖


View Answer 2 Q m3/sec

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___________________?


a4.5 cm

✖


b 6.0 cm

✓


c7.5 cm

✖


d9.0 cm

✖


View Answer 6.0 cm

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


amethyl alcohol

✖


b ethyl alcohol

✖


ccetyl alcohol

✓


dbutyl alcohol

✖


View Answer cetyl alcohol

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__________________?


a100 mm

✖


bmore than 100 mm

✓


cless than 100 mm

✖


dnone of the above

✖


View Answer more than 100 mm

A hyetograph is a graphical representation of___________________?


arainfall intensity and time

✓


brainfall depth and time

✖


cdischarge and time

✖


d cumulative rainfall and time

✖



A runoff river plant_________________?


ais a medium head scheme

✖


b generates power during peak hours only

✖


c is suitable only on a perennial river

✓


dhas no pondage at all

✖



Goto Page No.

Page 149 of 302

Alphabetical MCQs Categories
—

Here below You find all kind of categories of MCQs in alphabetical order.


"Comprehensive Collection of MCQs: Alphabetically Organized by Subject"
—

"Discover an extensive collection of multiple-choice questions (MCQs) neatly categorized by subject from A to Z. This resource is designed for anyone eager to explore various topics in a straightforward and organized manner. Whether you're a student preparing for exams, an educator seeking supplementary materials, or simply curious about different subjects, this compilation offers a convenient way to learn and assess your knowledge. With questions arranged alphabetically, navigation is effortless, allowing you to delve into subjects of interest at your own pace. Engage, learn, and expand your understanding with this accessible and comprehensive repository of MCQs!"


BolPakistan

bolpakistan.com.pk includes Job Mcqs and Pak Mcqs is the Top Largest Mcqs Forum in World, in which you can read Mcqs of All Subjects, PPSC test preparation, FPSC, NTS and PPSC PAST PAPERS, PPSC PAST MCQS. A Collection of Repeated MCQs for JOBs seekers.

Copyright © 2024, Designed & Developed by BolPakistan