Questions
- 9401. What is strain energy due to shear?
- 9402. Define modulus of resilience.
- 9403. Define proof resilience.
- 9404. Define resilience.
- 9405. Define strain energy.
- 9406. What is safety factor in failure analysis ?
- 9407. What is yield criterion?
- 9408. Which theory is used for brittle materials?
- 9409. Which theory is most accurate for ductile materials?
- 9410. What is distortion energy theory (von Mises)?
- 9411. What is maximum shear stress theory (Tresca)?
- 9412. What is maximum strain theory (Saint-Venant)?
- 9413. What is maximum stress theory (Rankine’s)?
- 9414. List the different theories of failure.
- 9415. What is failure of material?
- 9416. Define maximum normal stress theory.
- 9417. Define maximum principal strain theory.
- 9418. Define distortion energy theory.
- 9419. Define maximum shear strain energy theory.
- 9420. What are major and minor principal stresses?
- 9421. What is Mohr’s circle?
- 9422. Derive expressions for principal stresses in 2D stress system.
- 9423. What is maximum shear stress?
- 9424. Define principal planes.
- 9425. Define principal stresses.
- 9426. What is equivalent length?
- 9427. Define end conditions of columns.
- 9428. What is effective length of a column?
- 9429. What is Rankine’s formula?
- 9430. What is crippling load?
- 9431. What are the assumptions in Euler’s theory?
- 9432. State Euler’s formula for buckling load.
- 9433. Define slenderness ratio.
- 9434. What is buckling?
- 9435. Define column and strut.
- 9436. What is permissible deflection according to standards?
- 9437. What is maximum deflection in a simply supported beam with point load?
- 9438. What are boundary conditions for deflection?
- 9439. What is conjugate beam method?
- 9440. What is Macaulay’s method?
- 9441. What is the moment area method?
- 9442. Define flexural rigidity (EI).
- 9443. What is slope of a beam?
- 9444. What are the causes of deflection in beams?
- 9445. Define deflection.
- 9446. What are the types of springs?
- 9447. What is a spring?
- 9448. What is shear stress distribution in a circular shaft?
- 9449. Define power transmitted by a shaft.
- 9450. What is the difference between solid and hollow shafts?
- 9451. Define torsional rigidity.
- 9452. What is angle of twist?
- 9453. What is polar moment of inertia?
- 9454. Derive the torsion equation: TJ=τr=GθL\frac{T}{J} = \frac{\tau}{r} = \frac{G\theta}{L}JT=rτ=LGθ.
- 9455. Define torsion.
- 9456. What is the maximum bending moment for a simply supported beam with UDL?
- 9457. What is the slope of BMD?
- 9458. Define bending moment diagram (BMD).
- 9459. Define shear force diagram (SFD).
- 9460. What is the shear center?
- 9461. Explain the concept of shear flow.
- 9462. What is shear stress in an I-beam?
- 9463. What is the maximum shear stress in a rectangular section?
- 9464. Derive expression for shear stress in a rectangular beam.
- 9465. Define shear stress distribution in a beam.
- 9466. What is maximum bending stress in a beam?
- 9467. What is the difference between pure and simple bending?
- 9468. What is simple bending?
- 9469. What is pure bending?
- 9470. What are assumptions made in bending theory?
- 9471. Define moment of resistance.
- 9472. What is neutral axis?
- 9473. Define flexural rigidity.
- 9474. Define section modulus.
- 9475. Derive bending equation: MI=σy=ER\frac{M}{I} = \frac{\sigma}{y} = \frac{E}{R}IM=yσ=RE.
- 9476. What is bending stress?
- 9477. State the relationship between load, shear force, and bending moment.
- 9478. What is point of contraflexure?
- 9479. Define shear force and bending moment.
- 9480. What are different types of loads on beams?
- 9481. Define fixed beam.
- 9482. Define simply supported beam.
- 9483. What is a cantilever beam?
- 9484. What are the types of beams?
- 9485. What is a beam?
- 9486. Define notch sensitivity.
- 9487. What is stress concentration?
- 9488. What is combined loading?
- 9489. Explain direct and indirect stresses.
- 9490. What is allowable stress?
- 9491. What is factor of safety?
- 9492. How are riveted joints subjected to shear?
- 9493. Define bearing stress.
- 9494. What is single shear and double shear?
- 9495. What is shear strain?
- 9496. Explain principle of superposition.
- 9497. What are compatible deformations?
- 9498. How is deformation distributed in composite bars?
- 9499. What is a statically indeterminate bar?
- 9500. What is temperature strain?