SLOPE AND DEFLECTION MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS Maximum deflection in a S.S. Beam with ‘W’ not at the center will be (a) W b (L2 –b2)1.5/3√3 EI (b) W b (L2 –b2)1.5 /6√3 EI (c) W b (L2 –b2)1.5/ 9√3 EI (d) None (Ans: c) Deflection under the load in a S.S. Beam…
BENDING STRESSES MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS MCQ on bending stresses in beams increase understanding and clarity. It helps in designing of beams. It is also useful in applying the fundamentals in real practical applications. The maximum stresses occur in the outermost fibers. Zero stress and strain occurs at the neutral axis. Bending stresses…
SHEAR FORCE AND BENDING MOMENT DIAGRAMS MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS MCQ on shear force and bending moment increase depth of understanding. Then only, one can easily use these fundamentals in the design of beams. Firstly, beam is designed for maximum shear force. Secondly, beam is designed for maximum bending moment. Finally, larger size…
PRINCIPAL STRESSES MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS MCQ help increase of knowledge and clarity about principal stresses. Principal stresses are simple stresses. These are either tensile or compressive stresses. Failure in a material takes place due to principal stresses, strains and energy. Thus MCQ help to apply fundamentals in real life applications. A principal…
STRAIN ENERGY MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS Strain energy is due strain. There is strain energy in tension, compression, shear and bending. It is equal to work done in deforming a body. Strain energy determines slope and deflection. There are principal strain energy and shear strain energy as theories of failure. These help in the…
GRADUALLY, SUDDENLY & IMPACT LOAD MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS MCQ on various types of forces make the concept very clear. It increases the depth of understanding too. Then, it becomes easy to apply the basics in real life applications. Gradually applied load is increased in equal instalments. Suddenly applied load is applied in…
FACTOR OF SAFETY MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS MCQ on factor of safety increases understanding and clarity. Factor of safety is extremely important in design of machine elements. Factor safety takes care of the uncertainties of all types. Uncertainties are due to type of load, the manner of load application and amount…
FORCES MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS A force is an external agent which can do the followings: (i) Can move a stationary body (ii) Can accelerate a slow moving body (iii) Can deaccelerate a fast moving body. (iv) Can stop a slow moving body (v) Can deform a body (vi) Can distort a…
TORSION SHAFTS MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS MCQ help in the design and manufacture of shafts. Maximum practical failures occur in shafts because of reversal stresses. Thus its design requires special attention to make it really safe under all conditions. Fig. Torsion of Shafts (a) Shaft is under Torque T, (b) Shaft cross section…
SPRINGS MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS Spring is an important part in almost every machinery. These springs perform different functions in different applications. These absorb shocks in vehicles running on uneven roads. These store energy in toys and circuit breakers. These give cushion effect in sofas and cars. Springs are of different types namely…