A) \[\frac{A}{\cos \alpha }=\frac{B}{\cos \beta }=\frac{C}{\cos \gamma }\] done clear
B) \[\frac{A}{\sin \alpha }=\frac{B}{\sin \beta }=\frac{C}{\sin \gamma }\] done clear
C) \[\frac{A}{{{\cos }^{2}}\alpha }=\frac{B}{{{\cos }^{2}}\beta }=\frac{C}{{{\cos }^{2}}\gamma }\] done clear
D) None of these done clear
View Solution play_arrowA) Least done clear
B) Maximum done clear
C) Negative done clear
D) Positive done clear
View Solution play_arrowquestion_answer3) If the forces are reduced on contacting surfaces, the value of friction:
A) increases done clear
B) decreases done clear
C) remains constant done clear
D) None of these done clear
View Solution play_arrowquestion_answer4) The property due to which the material can be drawn into thin wires is knows as:
A) Malleability done clear
B) brittleness done clear
C) Ductility done clear
D) Elasticity done clear
View Solution play_arrowA) Ductility done clear
B) Malleability done clear
C) Hardness done clear
D) Resilience done clear
View Solution play_arrowA) Hardness done clear
B) Resilience done clear
C) Plasticity done clear
D) Toughness done clear
View Solution play_arrowA) Hardness done clear
B) Toughness done clear
C) Elasticity done clear
D) None of these done clear
View Solution play_arrowA) \[{{U}_{V}}=\frac{1}{2}\,\,E\,\,{{(strain)}^{2}}\] done clear
B) \[{{U}_{u}}=\frac{1}{2}\,\,E\,\,(strain)\] done clear
C) \[{{U}_{v}}=\frac{1}{2}\,\,E\,\,{{(stress)}^{2}}\] done clear
D) \[{{U}_{u}}=\frac{1}{2}\,\,E\,\,(stress)\] done clear
View Solution play_arrowquestion_answer9) A beam whose one of its ends is fixed is known as :
A) simply supported beam done clear
B) continuous beam done clear
C) cantilever beam done clear
D) overhanging beam done clear
View Solution play_arrowquestion_answer10) A beam whose both ends are fixed rigidly into the supporting walls is called as :
A) continuous beam done clear
B) fixed, beam done clear
C) cantilever beam done clear
D) None of these done clear
View Solution play_arrowquestion_answer11) A beam whose both ends are supported is known as :
A) simply supported beam done clear
B) fixed beam done clear
C) overhanging beam done clear
D) continuous beam done clear
View Solution play_arrowA) \[\frac{1}{{{P}_{E}}}=\frac{1}{{{P}_{R}}}+\frac{1}{{{P}_{C}}}\] done clear
B) \[\frac{1}{{{P}_{C}}}=\frac{1}{{{P}_{E}}}+\frac{1}{{{P}_{R}}}\] done clear
C) \[\frac{1}{{{P}_{R}}}=\frac{1}{{{P}_{E}}}-\frac{1}{{{P}_{C}}}\] done clear
D) \[\frac{1}{{{P}_{R}}}=\frac{1}{{{P}_{E}}}+\frac{1}{{{P}_{C}}}\] done clear
View Solution play_arrowA) \[{{\sigma }_{y}}={{\sigma }_{1}}+{{\sigma }_{2}}\] done clear
B) \[{{\sigma }_{y}}={{\sigma }_{1}}-{{\sigma }_{2}}\] done clear
C) \[{{\sigma }_{y}}={{\sigma }^{2}}_{1}+{{\sigma }^{2}}_{2}\] done clear
D) \[{{\sigma }_{y}}={{\sigma }^{2}}_{1}-{{\sigma }^{2}}_{2}\] done clear
View Solution play_arrowquestion_answer14) Equilibrium equations given for non - concurrent forces are given as:
A) \[\varepsilon {{F}_{X}}=0,\,\,\varepsilon {{F}_{y}}=0,\,\,\varepsilon M=0\] done clear
B) \[\varepsilon {{F}_{X}}=0,\,\,\varepsilon {{F}_{y}}=0\] done clear
C) \[\varepsilon {{F}_{X}}=0,\,\,\varepsilon {{F}_{y}}=0,\,\,\varepsilon M\ne 0\] done clear
D) None of these done clear
View Solution play_arrowquestion_answer15) Newton's second law of motion states that:
A) Rate of change of momentum is directly proportional to the impressed force and takes place in the direction of force acting done clear
B) Rate of change of momentum is inversely proportional to impressed force and takes place in the direction to opposite of force acting done clear
C) To every action there is always in equal and opposite reaction done clear
D) None of these done clear
View Solution play_arrowquestion_answer16) According g to Hook's Law, stress is directly proportional to strain within:
A) Plastic limit done clear
B) yield point done clear
C) elastic limit of proportionality done clear
D) None of these done clear
View Solution play_arrowA) \[\frac{{{T}_{r}}}{J}=\frac{G\theta }{L}=\frac{{{\tau }_{\max }}}{R}\] done clear
B) \[\frac{J}{{{T}_{r}}}=\frac{G\theta }{L}=\frac{R}{{{\tau }_{\max }}}\] done clear
C) \[\frac{{{T}_{r}}}{L}=\frac{G\theta }{J}=\frac{{{\tau }_{\max }}}{R}\] done clear
D) \[\frac{{{T}_{r}}}{{{\tau }_{\max }}}=\frac{G\theta }{L}=\frac{J}{R}\] done clear
View Solution play_arrowquestion_answer18) Impact strength of a material represents:
A) Hardness done clear
B) Resilience done clear
C) Ductility done clear
D) Toughness done clear
View Solution play_arrowquestion_answer19) Poisson's ratio is described as the ratio of:
A) \[\frac{\text{Logitudinal}\,\,\text{strain}}{\text{Leteral}\,\,\text{strain}}\] done clear
B) \[\frac{\text{Lateral}\,\,\text{strain}}{\text{Longitudinal}\,\,\text{strain}}\] done clear
C) \[\frac{\text{stress}}{\text{strain}}\] done clear
D) \[\frac{\text{strain}}{\text{stress}}\] done clear
View Solution play_arrowquestion_answer20) A cylindrical elastic body subjected to pure torsion about its axis develops:
A) compressive stress in a direction\[45{}^\circ \]to the axis done clear
B) shear stress in a direction \[45{}^\circ \]to the axis done clear
C) tensile stress in a direction \[45{}^\circ \]to the axis done clear
D) None of these done clear
View Solution play_arrowA) co-planar non concurrent forces done clear
B) co-planar concurrent forces done clear
C) Non - coplanar concurrent forces done clear
D) Non - coplanar-Non concurrent forces done clear
View Solution play_arrowquestion_answer22) Range of Poisson's ratio for steel is given by:
A) \[0.21-0.22\] done clear
B) \[0.23-0.27\] done clear
C) \[0.37-0.43\] done clear
D) \[0.57-0.63\] done clear
View Solution play_arrowA) \[\frac{L}{\Delta L}\] done clear
B) \[L\times \Delta L\] done clear
C) \[\frac{\Delta L}{L}\] done clear
D) \[\frac{2L}{\Delta L}\] done clear
View Solution play_arrowquestion_answer24) In case of curved beams, the bending stresses are distributed in the shape of:
A) Parabola done clear
B) ellipse done clear
C) circle done clear
D) Hyperbola done clear
View Solution play_arrowquestion_answer25) Which of the following has given maximum principal stress theory
A) Rankins done clear
B) Tresea done clear
C) ST. venant done clear
D) Mohr done clear
View Solution play_arrowquestion_answer26) Which of the following has given maximum shear stress theory:
A) Rankins done clear
B) Tresea done clear
C) Mohr done clear
D) ST. venant done clear
View Solution play_arrowA) \[{{\eta }_{W}}>{{\eta }_{R}}\] done clear
B) \[{{\eta }_{W}}<{{\eta }_{R}}\] done clear
C) \[{{\eta }_{w}}={{\eta }_{R}}\] done clear
D) \[{{\eta }_{w}}\ge {{\eta }_{R}}\] done clear
View Solution play_arrowA) creep done clear
B) fatigue done clear
C) stiffness done clear
D) endurance done clear
View Solution play_arrowquestion_answer29) Neutral plane of a beam is defined as the plane:
A) whose length changes during deformation done clear
B) whose length does not change during deformation done clear
C) which lies at top most layer done clear
D) None of these done clear
View Solution play_arrowquestion_answer30) In case of a continous beam, which of the following statement is true?
A) It has two supports at ends only done clear
B) It has less than two supports done clear
C) It has more than two supports done clear
D) None of these done clear
View Solution play_arrowquestion_answer31) Stiffness is measured in which of the following:
A) Modulus of elasticity done clear
B) Toughness done clear
C) density done clear
D) ultimate strength done clear
View Solution play_arrowA) Malleability done clear
B) creep done clear
C) Hardness done clear
D) ductility done clear
View Solution play_arrowquestion_answer33) Poisson's ratio generally depends on:
A) Material of specimen done clear
B) Area of cross section done clear
C) Magnitude of load done clear
D) None of these done clear
View Solution play_arrowA) \[{{\sigma }_{w}}={{\sigma }_{u}}\] done clear
B) \[{{\sigma }_{w}}<{{\sigma }_{u}}\] done clear
C) \[{{\sigma }_{w}}>{{\sigma }_{u}}\] done clear
D) None of these done clear
View Solution play_arrowquestion_answer35) The point of contra flexure is found to be in which of the following beam?
A) cantilever beam done clear
B) Simple supported beam done clear
C) overhanging beam done clear
D) None of these done clear
View Solution play_arrowquestion_answer36) If the length of the column is doubled, the value of critical load becomes:
A) \[\frac{1}{2}\times \]original value done clear
B) \[\frac{1}{8}\times \]original value done clear
C) \[\frac{1}{4}\times \]original value done clear
D) \[\frac{1}{16}\times \]original value done clear
View Solution play_arrowquestion_answer37) True stress is associated with :
A) Instantaneous cross - sectional area done clear
B) Average cross - sectional area done clear
C) Original cross - sectional area done clear
D) Final cross - sectional area done clear
View Solution play_arrowquestion_answer38) The unit of stress in SI system is given as :
A) \[N/m{{m}^{2}}\] done clear
B) \[N/{{m}^{2}}\] done clear
C) \[Kg/{{m}^{2}}\] done clear
D) None of these done clear
View Solution play_arrowA) \[\frac{{{\sigma }_{T}}}{{{\sigma }_{c}}}=1-\varepsilon \] done clear
B) \[\frac{{{\sigma }_{T}}}{{{\sigma }_{c}}}=\varepsilon \] done clear
C) \[\frac{{{\sigma }_{c}}}{{{\sigma }_{T}}}=\varepsilon \] done clear
D) \[\frac{{{\sigma }_{T}}}{{{\sigma }_{c}}}=1+\varepsilon \] done clear
View Solution play_arrowquestion_answer40) Free Body diagram shows:
A) No forces are acting of the body done clear
B) All the internal forces acting on the body done clear
C) All the internal and external forces acting on the body done clear
D) None of these done clear
View Solution play_arrowquestion_answer41) During tensile testing for cast iron specimen, the stress ? strain curve shows :
A) No yield point done clear
B) upper yield point only done clear
C) lower yield point only done clear
D) Both upper and lower yield points done clear
View Solution play_arrowA) Hardness done clear
B) Ductility done clear
C) Toughness done clear
D) Brittleness done clear
View Solution play_arrowquestion_answer43) In S.I. system of units, the unit for strain is :
A) Pa done clear
B) KPa done clear
C) GPa done clear
D) None of these done clear
View Solution play_arrowquestion_answer44) Which of the following is a vector quantity
A) Energy done clear
B) Mass done clear
C) Angle done clear
D) Force done clear
View Solution play_arrowquestion_answer45) Factor of safety is the ratio of
A) breaking stress to working stress done clear
B) ultimate stress to working stress done clear
C) elastic limit to working stress done clear
D) breaking stress to ultimate stress done clear
View Solution play_arrowquestion_answer46) Effect of a force on the body will depend upon :
A) Direction done clear
B) Magnitude done clear
C) Line of action done clear
D) All of the above done clear
View Solution play_arrowquestion_answer47) The unit of moment is:
A) \[N-m\] done clear
B) \[N/m\] done clear
C) \[N/{{m}^{2}}\] done clear
D) \[N/{{m}^{4}}\] done clear
View Solution play_arrowquestion_answer48) The quantity, which is equal to rate of change of momentum is known to be:
A) Force done clear
B) Acceleration done clear
C) Impulse done clear
D) displacement done clear
View Solution play_arrowquestion_answer49) In comparison to rolling friction, the value of sliding friction will be:
A) less done clear
B) more done clear
C) equal done clear
D) double done clear
View Solution play_arrowquestion_answer50) Tangent of angle of friction is equal to:
A) kinetic friction done clear
B) Limiting friction done clear
C) Frictional force done clear
D) coefficient of friction done clear
View Solution play_arrowYou need to login to perform this action.
You will be redirected in
3 sec