PRINCIPAL STRAINS MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS MCQ are helpful in understanding Principal Strains. It also increases the level of clarity. Stresses are not measurable. Strains are measured with mechanical and electrical strain gauges. Principal stresses are found from strains. Planes of principal strains are same as the planes of principal stresses. These planes…
MOHR’S STRESS CIRCLE MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS MCQ on Mohr’s circle increases knowledge about principal stresses. Principal stresses are maximum and minimum normal stresses. It also gives maximum shear stress as difference of the two principal stresses. Find Principal planes and planes of maximum shear stress from Mohr’s stress circle. Radius represents the…
SIMPLE STRAINS MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS MCQ on simple strains help in understanding of strength of materials. There are linear, lateral and angular strains. These are of use only within elastic limit. Linear strain is due to (a) Tensile stress (b) Complex stress (c) Tensile & complex stresses (d) None ANS: (c) 2….
COLUMNS & STRUTS MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS MCQ on columns & struts increase confidence and understanding. Columns are structural members subjected to axial or eccentric loads. Short column fail by compression. Medium columns fail by compression & buckling. Long columns fail by buckling alone. Fig. Types of Columns-Short-Medium-Long (depends on slenderness ratio and material…
STRESSES IN ROTATING DISCS MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS MCQ help in better understanding of stresses in rotating discs. topic. It increases clarity too. All this help in the practical applications of the subject fundamentals. It is helpful in research & further improvements. Fig. Hollow Rotating Disc Fig. Stressed Element Rotating Disc Fig….
INITIALLY CURVED BEAMS MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS MCQ increase clarity and understanding. The centroid axis does not coincide with the neutral axis. Maximum stress occurs on the innermost fiber. Fig. Initially Curved cross section & Stress Distribution hi distance of innermost fiber from N.A. ho distance of outermost fiber from N.A. Q1. Centroid…
SIMPLE STRESSES MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS MCQ on simple stresses is very helpful. It helps in understanding fully about strength of materials. Stress is internal resistance against external loading. It has a limited value for a material. Limited value is different for different materials. Fig. Simple tensile & compressive stresses Magnitude of…
BENDING & AXIAL LOADING COMBINED MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS MCQ increases understanding and clarity. Bending and axial loading is equivalent to eccentric loading. Complex stresses produce under bending and axial loading co-exist. These complex stresses reduce to simple stresses. After that complete the design. Fig. Axial & Bending loading Combined (P+M) Fig. Eccentric…
SHEAR STRESSES IN BEAMS MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS MCQ on shear stresses greatly improves clarity of the topic. Further, it will be helpful in the design of beams. Shear stress is maximum at the centroidal axis and zero at the extreme fibers. Fig. Shear stress distribution in typical sections Fig. Variation of…
THEORIES OF ELASTIC FAILURE MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS MCQ help to understand the topic in great depth. Then, it will be easy to apply these theories in the design of various machine parts. Ductile materials are equally strong in tension and compression. Thus these are more versatile. Brittle materials are strong in compression…