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Test: Prestressed Concrete - 2 - Civil Engineering (CE) MCQ


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10 Questions MCQ Test GATE Civil Engineering (CE) 2025 Mock Test Series - Test: Prestressed Concrete - 2

Test: Prestressed Concrete - 2 for Civil Engineering (CE) 2024 is part of GATE Civil Engineering (CE) 2025 Mock Test Series preparation. The Test: Prestressed Concrete - 2 questions and answers have been prepared according to the Civil Engineering (CE) exam syllabus.The Test: Prestressed Concrete - 2 MCQs are made for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Prestressed Concrete - 2 below.
Solutions of Test: Prestressed Concrete - 2 questions in English are available as part of our GATE Civil Engineering (CE) 2025 Mock Test Series for Civil Engineering (CE) & Test: Prestressed Concrete - 2 solutions in Hindi for GATE Civil Engineering (CE) 2025 Mock Test Series course. Download more important topics, notes, lectures and mock test series for Civil Engineering (CE) Exam by signing up for free. Attempt Test: Prestressed Concrete - 2 | 10 questions in 30 minutes | Mock test for Civil Engineering (CE) preparation | Free important questions MCQ to study GATE Civil Engineering (CE) 2025 Mock Test Series for Civil Engineering (CE) Exam | Download free PDF with solutions
Test: Prestressed Concrete - 2 - Question 1

High strength steel used in prestressed concrete can take how much maximum strain?

Test: Prestressed Concrete - 2 - Question 2

For a rectangular prestressed beam designed for operating stress conditions, what is the maximum prestressing force?

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Test: Prestressed Concrete - 2 - Question 3

If a simply supported concrete beam, prestressed with a force of 2500 kN, is designed by load balancing concept for an effective span of 10 m and to carry a total load Of 40 kN/m, the central dip of the cable profile should be

Detailed Solution for Test: Prestressed Concrete - 2 - Question 3

Let the dip of the cable be h.
Upward pressure provided by the parabolic cable = 8Ph/L2
In order this upward pressure may fully balance the external loading.
8Ph/L2 = w
⇒  = 40  ⇒ h = 0.2 m
⇒ h = 200 mm

Test: Prestressed Concrete - 2 - Question 4

A prestressed concrete beam has a cross- section with the following properties:
A = 46,400 mm2, I = 75.8 x 107 mm4,
ybottom = 244 mm, ytop = 156 mm.
It is subjected to a prestressing force at an eccentricity ‘e’ so as to have a zero stress at the top fibre. The value of ‘e’ is given by

Detailed Solution for Test: Prestressed Concrete - 2 - Question 4

For zero stress at top fibre, 
P/A = Pe/Z
⇒ 
⇒ 

Test: Prestressed Concrete - 2 - Question 5

in pre-stressed concrete

Test: Prestressed Concrete - 2 - Question 6

The purpose of reinforcement in pre-stressed concrete is

Test: Prestressed Concrete - 2 - Question 7

Prestress loss due to friction occurs

Test: Prestressed Concrete - 2 - Question 8

The coefficient of shrinkage for high grade concrete for pre-tensioned work is 

Test: Prestressed Concrete - 2 - Question 9

If 'P' is the prestressing force applied at a maximum eccentricity 'g' at mid-span, figure, to balance the concentrated load 'W', the balancing load will be

Test: Prestressed Concrete - 2 - Question 10

Consider the following factors
1. initial prestress
2. losses in prestress
3. depth of cable from extreme compression fibre
Those which affect the ultimate moment capacity of a prestressed concrete beam would include

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