Hindi
English

Question

Download Solution PDF

एक समतल प्रतिबल की स्थिति पर विचार कीजिए, जहाँ σx = 3 Pa, σy = 1 Pa और τxy = 1 Pa है।  मुख्य निर्देशों में से एक x-अक्ष के संबंध में ________ होगा। 

This question was previously asked in
BPSC AE Paper 6 (Mechanical) 2019 Official Paper
Download PDF Attempt in App
View all BPSC AE Papers >
  1. 0°
  2. 15°
  3. 22.5°
  4. 45°

Answer (Detailed Solution Below)

Option 3 : 22.5°
Free Tests
View all Free tests >
Free
BPSC AE General Studies Mock Test
20 Qs. 40 Marks 25 Mins
Start Now

Detailed Solution

Download Solution PDF

Concept:

At the principal plane, the value of shear stress is 0. i.e.

Calculation:

Given:

Download Solution PDF
Latest BPSC AE Updates

Last updated on Jun 13, 2025

-> BPSC AE 2025 exam date has been revised. The exam will be conducted on July 17, 18 & 19 now. 

-> Candidates who were facing technical issues while filling form can now fill the BPSC AE application form 2025 without any issue. 

->BPSC AE age limit 2025 has been revised.

->BPSC AE application form 2025  was released on April 30. The last date to fill BPSC AE form 2025 was May 28. 

->BPSC AE interview call letters released for Advt. 32/2024.

->BPSC AE notification 2025 has been released. 

->A total of 1024 vacancies are announced through BPSC AE recruitment 2025

->The BPSC Exam Calendar 2025 has been released for the Assistant Engineer Recruitment.

-> The selection will be based on a written exam and evaluation of work experience.

-> Candidates with a graduation in the concerned engineering stream are eligible for this post.

-> To prepare for the exam solve BPSC AE Previous Year Papers. Also, attempt the BPSC AE Civil  Mock Tests.

Exams Tests Super Practice

More Principle Stress Questions

Q1.Direction: The item consists of two statements, one labelled as the 'Statement (I)' and the other as 'Statement (II)'. You are to examine these two statements carefully and select the answers to these items using the codes given below: Statement (I): Any orthogonal set of axes are 180° to one another on Mohr's circle. Statement (II): The distance between these axes is half the diameter of the circle.
Q2.मध्य-तृतीयांश नियम के अनुसार उत्केन्द्रता 'e' (जहां 'b' आधार की चौड़ाई है) कितनी होनी चाहिए?
Q3.प्रमुख समतल और अधिकतम अपरुपण के समतल के बीच का कोण ______है।
Q4.एक संयुक्त प्रतिबल तंत्र में अभिलंबी प्रतिबलों का योग__________होता है। 
Q5.एक प्रतिबलित निकाय में एक बिंदु पर मुख्य प्रतिबल100 MN/m2 (तन्य) और 60 MN/m2 (संपीड़न) होते हैं। बिंदु पर अधिकतम अपरूपण प्रतिबल _________ है।
Q6.यदि एक विकृत सामग्री में एक बिंदु दो परस्पर लंबवत प्रतिबलों σx = 100 MPa (T) और σy = 50 MPa (C) के अधीन है, तो अधिकतम अपरुपण प्रतिबल का परिमाण क्या है?
Q7.आयताकार अनुप्रस्थ काट के लघु स्तम्भ का कर्नल ________ है।
Q8.दिए गए चित्र में σ1 और σ2 अधिकतम और न्यूनतम प्रमुख प्रतिबल हैं। इसी क्रम में समतल AB पर परिणामी प्रतिबल \(\sqrt {{{\left( {\frac{{{\sigma _1} + {\sigma _2}}}{2}} \right)}^2} + {{\left( {\frac{{{\sigma _1} - {\sigma _2}}}{2}} \right)}^2}} \) आता है, तो θ का मान होना चाहिए -
Q9.सामान्य प्रतिबल और अपरूपण प्रतिबल वाले 3D आव्यूह के विकर्ण तत्व 50, 60 और 80 हैं। आव्यूह का पहला प्रतिबल निश्चर ज्ञात करें।
Q10.तिर्यक तल में, सामान्य प्रतिबल का मान क्या होता है, जब θ = 90° होता है? (यहाँ, θ वह कोण है जो सामान्य प्लेन के साथ कर्तन तल बनाता है।)

More Principal Stress or Strain Questions

Q1.An element from a strained material is subjected to 50 MPa and 100 Mpa (both tensile) in two mutually perpendicular directions. Then, the Major principal stress is:
Q2.A rectangular bar of cross-sectional area 20000 mm2 is subjected to an axial load of 30 KN, section is inclined at an angle of 45° with normal cross-section of the bar, what will be the shear stress on a section? 
Q3.संयुक्त प्रत्यक्ष (संपीडनात्मक) और बंकन प्रतिबलों के अधीन एक ठोस वृत्ताकार काट (व्यास - D) के एक चरम तंतु पर बिल्कुल शून्य तन्य प्रतिबल प्राप्त करने के लिए, __________ पर एक सामान्य बिंदु भार रखा जाना आवश्यक है।
Q4.मोर सर्कल क्या दर्शाता है ?
Q5.यदि एक पिंड के ऊपर परस्पर लंबवत शियर स्ट्रेस (shear stresses) के सेट कार्यरत हैं, विकर्ण (diagonal planes) समतलों में _________ होने की संभावना होता है। 
Q6.Direction: The item consists of two statements, one labelled as the 'Statement (I)' and the other as 'Statement (II)'. You are to examine these two statements carefully and select the answers to these items using the codes given below: Statement (I): Any orthogonal set of axes are 180° to one another on Mohr's circle. Statement (II): The distance between these axes is half the diameter of the circle.
Q7.The stresses on two perpendicular planes through a point are 60 N/mm2 tension, 40 N/mm2 compression and 30 N/mm2 shear. What is the absolute normal stress on a plane at 60° to that of the tensile stress?
Q8.What are the three stress invariants (in MPa) respectively in a body under the stress states of, σx = 10, σy = 8, σz = -5, τyz = τzy = 5, τzx = τxz = -4, and τxy = τyx = -8, where all stresses are in MPa ? 
Q9.The normal stress across the principal plane is known as
Q10.किसी दिए गए दिशा में एक अपरूपण प्रतिबल समकोण पर एक दिशा में समान तीव्रता के संतुलित अपरूपण प्रतिबल के बिना मौजूद नहीं हो सकता है। संतुलनकारी अपरूपण प्रतिबल को इस रूप में जाना जाता है:
Suggested Test Series
View All >
71st BPSC CCE (Preliminary) Test Series 2025
222 Total Tests with 1 Free Tests
Start Free Test
BPSC ASO Mock Test Series 2025
141 Total Tests with   5 Free Tests
Start Free Test

BPSC AE Important Links

Answer KeyAdmit CardEligibilitySalary and Job ProfileSyllabus and Exam PatternCut off

More Strength of Materials Questions

Q1.The effective length of a column that in held in position and restrained against rotation at one end but not held in position nor restrained against rotation at the other end is (Where 'L' is unsupported length of column):
Q2.The ratio of maximum shear stress to average shear stress in a circular section is:
Q3.An element from a strained material is subjected to 50 MPa and 100 Mpa (both tensile) in two mutually perpendicular directions. Then, the Major principal stress is:
Q4.Columns of given length, cross section and material, have different values of crippling loads, for different end conditions. The strongest column is one whose:
Q5.A simply supported beam of span 'L' is subjected to a point load 'W' at the centre. What is the deflection at the centre?
Q6.A simply supported beam of span '5 m' has a moment '100 kN-m' acting at mid span. The reaction at each support is:
Q7.Assume AB = BC= 1 m for the following beam : What will be the vertical reaction at point B?
Q8.For a simply supported beam of length L, the bending moment M is described as M = a(x - x3/L2), 0 ≤ x < L; where a is a constant. The shear force will be zero at
Q9.A beam of length L is pinned at both ends and is subjected to a concentrated bending couple of moment M at its centre. The maximum bending moment in the beam is
Q10.A rectangular bar of width b and height h is being used as a cantilever. The loading is in a plane parallel to the side b. The section modulus is
Testbook Edu Solutions Pvt. Ltd.
1st & 2nd Floor, Zion Building,
Plot No. 273, Sector 10, Kharghar,
Navi Mumbai - 410210
support@testbook.com
Toll Free:1800 833 0800
Office Hours: 10 AM to 7 PM (all 7 days)
Company
About usCareers We are hiringTeach Online on TestbookPartnersMediaSitemap
Products
Test SeriesTestbook PassOnline CoursesOnline VideosPracticeBlogRefer & EarnBooks
Copyright © 2014-2022 Testbook Edu Solutions Pvt. Ltd.: All rights reserved
User PolicyTermsPrivacy
Hot Links： teen patti classic teen patti gold teen patti casino download teen patti sequence teen patti flush