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DFCCIL’21 CE: Daily Practice Quiz. 15-September-2021

DFCCIL (Dedicated Freight Corridor Corporation of India Limited) Exam Date 2021 on September and October 2021 so boost your preparation by attempt this Civil Engineering MISCELLANEOUS quiz for DFCCIL recruitment 2021.

Quiz: Civil Engineering

Exam: DFCCIL-JE

Topic: MISCELLANEOUS

Each question carries 1 mark

Negative marking: 1/4 mark

Time: 8 Minutes

Q1. The suitable layout of a water supply distribution system for an irregularly grown town is called as _____ system.

(a) dead end

(b) radial

(c) grid iron

(d) ring

Q2. As Per IS : 1172, the domestic demand (in litres) of water / day, under normal conditions, for a family of 4 member will be –

(a) 540

(b) 520

(c) 500

(d) 480

Q3. The Buston’s formula for estimating water required for fire demand is _____.

(a) 7500

(b) 3182

(c) 4637

(d) 5663

Q4. If the focus length of the object glass is 25cm and the distance from object glass to the trunnion axis is 15 cm, the additive constant is

(a) 0.1

(b) 0.4

(c) 0.6

(d) 1.33

Q5. The operation of revolving the telescope through 180° in a vertical plane about its horizontal axis is:

(a) Transit

(b) Swinging the telescope

(c) Reversing

(d)None of the other options

Q6. The imaginary line passing through the intersection of cross hairs and the optical center of the objective is known as ……….

(a) Line of sight

(b) Line of collimation geoid

(c) Axis of the telescope

(d) None of these

 

SOLUTION

 

S1. Ans.(a)

Sol. The suitable layout of a water supply distribution system for an irregularly grown town is dead end system

M= Main

B= Branch

SM= Sum-main

L= Lateral

DFCCIL'21 CE: Daily Practice Quiz. 15-September-2021 |_30.1

S2. Ans.(a)

Sol. As per IS : 1172 , per capita consumption of water per day for domestic purpose should be 135 l.

Hence, for a family of 4 member the domestic demand of water/day = 135×4 = 540 litres.

DFCCIL'21 CE: Daily Practice Quiz. 15-September-2021 |_40.1

DFCCIL'21 CE: Daily Practice Quiz. 15-September-2021 |_50.1

S5. Ans.(a)

Sol. Transiting  Revolving the telescope through 180° in a vertical plane about the horizontal axis. Is called transiting of theodolite.

 

S6. Ans.(b)

Sol. line of sight. The line passes through optical centre of objective & intersection of cross hair is called as line of sight.

Line of collimation – When line of sight become horizontal. It will be known as line of collimation

Axis of telescope – This is an imaginary line joining points of optical center of eyepiece to the optical centre of objective glass.

Axis of bubble tube – This is an imagionary line which is tangential on longitudinal curve of bubble tube.

 

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