ZONE TECH Objective Questions Series

Questions

Which of the following statements regarding the common characteristics of of building materials under stress is INCORRECT?

fuEufyf[kr esa ls dkSu lk dFku] izfrcy ds v/khu fuekZ.k lkefxz;ksa ds lkekU; vfHky{k.kksa ds laca/k esa xyr gS\
Which of the following theories is suitable for ductile material?

fuEufyf[kr esa ls dkSu&lk सिद्धांत rU; inkFkZ ds fy, mi;qDr gS&
All the failure theories give nearly the same result.

foiQyrk ds lHkh सिद्धांत yxHkx leku ifj.kke nsrs gS&
Which theorem/principle may be stated as the net external forces acting on the system and the resultant reversed effective forces (internal forces) are in equilibrium?

fdl çes;@fl)kar dks bl çdkj O;ä fd;k tk ldrk gS fd fudk; ij dk;Zjr dqy cká cy rFkk ifj.kkeh foijhr çHkkoh cy ¼vkarfjd cy½ larqyu esa gksrs gSa\
For the beam-system as shown, if the slope at M is zero, then the ratio T/S is

tSlk fn[kk;k x;k gS] che&flLVe ds fy,] vxj M ij Lyksi thjks gS] rks js';ks T/S gS
For a rectangular beam with cross-section having width b and depth d, and loaded as shown in figure, choose the ratio of maximum shear stress to maximum bending stress:

,d vk;rkdkj che ds fy,] ftldk Ø‚l&lsD'ku b pkSM+kbZ vkSj d xgjkbZ okyk gS] vkSj ftl ij fp= esa fn[kk, vuqlkj Hkkj yxk gS] vf/kdre vi:i.k çfrcy vkSj vf/kdre cadu çfrcy ds vuqikr dk p;u djsa&
A solid shaft rotating at 180 rpm is subjected to a mean torque of 5000 N-m. What is the power transmitted by the shaft in kW?

,d Bksl 'kkÝV 5000 N-m ekè; VkWdZ yxus ij 180 rpm ls ?kwe jgh gS rks 'kkÝV }kjk 'kfDr LFkkukUrj.k kW esa D;k gksxkA
Strain energy stored in a solid shaft due to application of Torque 'T' at free end while other end is fixed, if G is shear modulus, J is polar moment of inertia, and L is the length of shaft is/will be

,d Bksl 'kk¶V esa] ftlds ,d fljs ij V‚dZ 'T' yxk;k x;k gS vkSj nwljk fljk fLFkj gS] lafpr LVªsu ÅtkZ dk eku D;k gksxk\ ¼;fn G f'k;j e‚Mqyl] J iksyj eksesaV v‚Q buf'kZ;k vkSj L 'kk¶V dh yackbZ gks½
A cantilever beam of rectangular cross-section is subjected to a concentrated load W at its free end. If the width of the beam is doubled the deflection at the free end as compared to the earlier case will be

आयताकार क्रॉस-सेक्शन वाली एक कैंटिलीवर बीम के मुक्त सिरे पर एक केंद्रित भार W लगाया जाता है। यदि बीम की चौड़ाई दोगुनी कर दी जाए, तो मुक्त सिरे पर होने वाला विक्षेपण, पिछली स्थिति की तुलना में, कितना होगा?

When a simply supported beam of span 'L' is subjected to a constant moment 'M' at distance 'a' from left support and 'b' from right support. The reaction at left support will be

जब 'L' लंबाई के एक साधारण रूप से समर्थित बीम पर बाएँ आधार से 'a' दूरी पर और दाएँ आधार से 'b' दूरी पर एक स्थिर आघूर्ण 'M' लगाया जाता है, तो बाएँ आधार पर प्रतिक्रिया क्या होगी?

Match List-1 with List-2

List-I	List-II
A. Young's modulus/;ax dk ekikad	I. Lateral strain to linear strain within elastic unit/izR;kLFkrk lhek ds Hkhrj ik'oZ foÑfr@jS[kh; foÑfr
B. Poisson's ratio/ikWblu dk vuqikr	II. Stress/strain within elastic limit/izR;kLFkrk lhek ds Hkhrj izfrcy@foÑfr
C. Bulk modulus/vk;ru ekikad	III. Shear stress to shear strain within elastic limit/izR;kLFkrk lhek ds Hkhrj vi:i.k izfrcy@vi:i.k foÑfr
D. Rigidity Modulus/n`<+rk ekikad	IV. Direct stress to corresponding volumetric strain/lacaf/kr vk;ru foÑfr@izR;{k izfrcy

lwph-I dks lwph-II ds lkFk lqesfyr djsa

Codes :

A B C D

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