MCQOPTIONS
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MCQOPTIONS
This section includes 948 Mcqs, each offering curated multiple-choice questions to sharpen your Surveying knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
The deformation per unit length is called………. |
| A. | strain |
| B. | tensile stress |
| C. | compressive stress |
| D. | shear stress |
| Answer» B. tensile stress | |
| 102. |
Two equal and opposite forces of magnitude 10 kN are applied at the ends of a steel wire to increase its length. The internal force in thewire will be-----KN |
| A. | 0 |
| B. | 10 |
| C. | 20 |
| D. | 15 |
| Answer» C. 20 | |
| 103. |
Strain energy stored in a member is given by |
| A. | 0.5 x stress x volume |
| B. | 0.5 x strain x volume |
| C. | 0.5 x stress x strain x volume |
| D. | 0.5 x stress x strain |
| Answer» D. 0.5 x stress x strain | |
| 104. |
stress developed due to external force in an elastic material |
| A. | depends on elastic constants |
| B. | does not depend on elastic constants |
| C. | depends partially on elastic constants |
| D. | none of the above |
| Answer» C. depends partially on elastic constants | |
| 105. |
If ES = 3 EA , the stress in steel of a composite bar made of aluminium and steel strips each having a cross sectional area of 300 mm2 and subjected to an axial load of 12 kN |
| A. | 10mpa |
| B. | 20mpa |
| C. | 30mpa |
| D. | 40mpa |
| Answer» D. 40mpa | |
| 106. |
For a certain material, the Poisson's ratio is 0. The relation between modulus of elasticity E and the bulk modulus K is E = ____ _. |
| A. | 0 |
| B. | 3k |
| C. | 1.5k |
| D. | 1.2k |
| Answer» C. 1.5k | |
| 107. |
1MPa is equal to |
| A. | 1n/m2 |
| B. | 1 n/mm2 |
| C. | 1kn/m2 |
| D. | 1kn/mm2 |
| Answer» C. 1kn/m2 | |
| 108. |
A strip of steel (E = 200 GPa, 0.25) has a length of 1 m, width of200 mm and thickness of 10 mm. A line of length 1 m is drawn parallel to its length on one of its side surfaces. When the strip is subjected to an axial tensile force of100 kN, the length of the line will be mm. |
| A. | 1000 |
| B. | 1000.25 |
| C. | 999.25 |
| D. | 0.25 |
| Answer» C. 999.25 | |
| 109. |
A steel rod of length is manufactured at a temperature 200C and its temperature increases upto 1350C.What are thermal stresses induced?E=200Gpa,α=12*10-6/0C |
| A. | 312mpa |
| B. | 310mpa |
| C. | 320mpa |
| D. | 276mpa |
| Answer» E. | |
| 110. |
Weakest section in a fillet weld is |
| A. | throat of the fillet |
| B. | smaller side |
| C. | side parallel to force |
| D. | side perpendicular to force |
| Answer» B. smaller side | |
| 111. |
According to Unwin's formula, the dia¬meter of rivet in mm to suit the t mm thickness ofplate is given by |
| A. | 6t |
| B. | 6Vt |
| C. | 1.9-y/t |
| D. | 1.5 t+ 4 |
| Answer» C. 1.9-y/t | |
| 112. |
The sum of normal stresses is |
| A. | constant |
| B. | variable |
| C. | dependent on the planes |
| D. | none of the above |
| Answer» B. variable | |
| 113. |
Modulus of rigidity is defined as the ratio of |
| A. | longitudinal stress to longitudinal strain |
| B. | shear stress to shear strain |
| C. | stress to strain |
| D. | stress to volumetric strain |
| Answer» C. stress to strain | |
| 114. |
The relation between E (modulus of elasticity) and K (bulk modulus of elasticity) is given by |
| A. | e=k(1-2µ) |
| B. | e=2k(1-2µ) |
| C. | e=3k(1-2µ) |
| D. | e=4k(1-2µ) |
| Answer» D. e=4k(1-2µ) | |
| 115. |
The stress is…. |
| A. | scalar |
| B. | vector |
| C. | tensor |
| D. | none of the above |
| Answer» D. none of the above | |
| 116. |
If an axial force of 1 kN is applied to a rod of 100 mm2cross section area, length 5 m and the modulus of elasticity of the material is 100 GPa, the change in length of the rod will be ___ . |
| A. | 1mm |
| B. | 1.2mm |
| C. | 0.5mm |
| D. | 0.25mm |
| Answer» D. 0.25mm | |
| 117. |
A steel tube (E = 200 GPa) has an internal diameter of 40 mm thickness 10 mm and a length of 2 m. If it is subjected to an axial pull of 80 kN, the stress in the tube will be__ _MPa. |
| A. | 28.3 |
| B. | 50.13 |
| C. | 84.88 |
| D. | 113.18 |
| Answer» C. 84.88 | |
| 118. |
If L be the length and D be the diameter of cylindrical rod, then volumetric strain of the rod is equal to |
| A. | strain of length plus strain of diameter |
| B. | strain of diameter |
| C. | strain of length plus twice the strain of diameter |
| D. | strain of length |
| Answer» D. strain of length | |
| 119. |
A portion of a beam between two sections is said to be in pure bending when there is |
| A. | constant bending moment and zero shear force |
| B. | constant shear force and zero bending moment |
| C. | constant bending moment and constant shear force |
| D. | none of the above |
| Answer» B. constant shear force and zero bending moment | |
| 120. |
Time dependent permanent deformation is called as |
| A. | plastic deformation |
| B. | elastic deformation |
| C. | creep |
| D. | an elastic deformation |
| Answer» D. an elastic deformation | |
| 121. |
The thermal stress is given by where α = coeffeicient of linear expansionT = Rise in temperature |
| A. | eαt |
| B. | et/α |
| C. | eα/t |
| D. | 1/eαt |
| Answer» B. et/α | |
| 122. |
If V is the volume of a rectangular bar subjected to a three dimensional stress state and the Poisson's ratio for the material is 0.5, the change in volume of the bar will be __ _. |
| A. | v |
| B. | 2v |
| C. | 0.5v |
| Answer» E. | |
| 123. |
The effective length of a fillet weld designed to transmit axial load shall not be less than |
| A. | 2 x size of weld |
| B. | 4 x size of weld |
| C. | 6 x size of weld |
| D. | 10 x size of weld |
| Answer» C. 6 x size of weld | |
| 124. |
For material Poisson’s ratio is 0.25. Relation between E and G will be |
| A. | 0 |
| B. | 2g |
| C. | 3g |
| D. | 2.5g |
| Answer» E. | |
| 125. |
When a tensile or compressive force (P) acts on a body, the change in its length is given by |
| A. | pl/ae |
| B. | ae/pl |
| C. | pe/al |
| D. | pa/le |
| Answer» B. ae/pl | |
| 126. |
If all the dimensions of a prismatic bar are doubled, then the maximum stress produced in itunder its own weight will |
| A. | decrease |
| B. | remain unchanged |
| C. | increase to two times |
| D. | increase to four times |
| Answer» D. increase to four times | |
| 127. |
A steel rod of 3m length is manufactured at 250C the temperature of this rod increases to 1250C. What is the free expansion? Take E=200Gpa,α=12*10-6/0C,diameter=12mm |
| A. | 3.2mm |
| B. | 2.6mm |
| C. | 4mm |
| D. | 3.6mm |
| Answer» E. | |
| 128. |
A rectangular block of size 200 mm x 100 mm x 50 mm is subjected to a shear stress of 100 N/mm2. If modulus of rigidity of material is 1 x 105 N/mm2, strain energy stored will be |
| A. | 10 N.m |
| B. | 25 N.m |
| C. | 50 N.m |
| D. | 100N.m |
| Answer» D. 100N.m | |
| 129. |
Relation between E, K and C is given by |
| A. | e=9kc/(3k+c) |
| B. | e=(3k+c)/6kc |
| C. | e=6kc/(k+3c) |
| D. | e=3kc/(3k+c) |
| Answer» B. e=(3k+c)/6kc | |
| 130. |
For no torsion, the plane of bending should |
| A. | be parallel to one of the principal axes |
| B. | pass through shear centre of section |
| C. | pass through neutral axis of the section |
| D. | pass through centre of gravity of the section |
| Answer» C. pass through neutral axis of the section | |
| 131. |
Three hinged arch is |
| A. | statically indeterminate by one degree |
| B. | statically indeterminate by two degrees |
| C. | statically determinate |
| D. | unstable structure |
| Answer» D. unstable structure | |
| 132. |
For ductile materials, the most appropriate failure theory is |
| A. | maximum shear stress theory |
| B. | maximum principal stress theory |
| C. | maximum principal strain theory |
| D. | shear strain energy theory |
| Answer» B. maximum principal stress theory | |
| 133. |
Method of joints is applicable only when the number of unknown forces at the joint underconsideration is not more than |
| A. | one |
| B. | two |
| C. | three |
| D. | four |
| Answer» C. three | |
| 134. |
The internal resistance which the body offers to meet the load or external force is called |
| A. | stress |
| B. | strain |
| C. | pressure |
| D. | none |
| Answer» B. strain | |
| 135. |
The Poisson’s ratio for perfectly rigid body is |
| A. | 1 |
| B. | 0 |
| C. | -1 |
| D. | 0.5 |
| Answer» C. -1 | |
| 136. |
There is always a limiting value of load up to which the strain totally disappears on the removal of load; the stress corresponding to this load is called………… |
| A. | elastic limit |
| B. | unit stress |
| C. | yield stress |
| D. | none of the above |
| Answer» B. unit stress | |
| 137. |
Effective length of a chimney of 20 m height is taken as |
| A. | 10 m |
| B. | 20m |
| C. | 28.28m |
| D. | 40m |
| Answer» E. | |
| 138. |
The force |
| A. | stiffness |
| B. | plasticity |
| C. | flexibility |
| D. | resilience |
| Answer» B. plasticity | |
| 139. |
The value of factor of safety is always__ _. |
| A. | >1 |
| B. | <1 |
| C. | 0 |
| D. | 0 |
| Answer» B. <1 | |
| 140. |
The modulus of elasticity in terms of bulk modulus is given by |
| A. | 3k/(1+2γ) |
| B. | 3k(1+2γ) |
| C. | 3k/(1-2γ) |
| D. | 3k(1-2γ) |
| Answer» E. | |
| 141. |
Which of the following beams will develop thermal stress when subjected to a change in temperature ? |
| A. | cantilever beam |
| B. | beam with hinges at both ends |
| C. | simply supported beam |
| D. | none of the above |
| Answer» C. simply supported beam | |
| 142. |
Two materials are having modulus of elasticity, modulus of rigidities and bulk modulus as (E1, E2), (C1, C2), and (K1, K2). The modulus ratio is given by |
| A. | e1/c2 |
| B. | e1/k2 |
| C. | e1/e2 |
| D. | c1/k2 |
| Answer» D. c1/k2 | |
| 143. |
Two rods have uniform cross section areas in the ratio 1 : 2 and are subjected to axial tensile forces with magnitudes in the ratio 2 : 1. The stresses induced in the two rods will be in the ratio ____ _. |
| A. | 1 : 2 |
| B. | 2 : 1 |
| C. | 1 : 1 |
| D. | 4 : 1 |
| Answer» E. | |
| 144. |
Change in length of a rod due to change in depend on _. |
| A. | original length |
| B. | change in temperature |
| C. | modulus of elasticity |
| D. | coefficient of thermal expansion |
| Answer» D. coefficient of thermal expansion | |
| 145. |
The value of factor of safety is always |
| A. | >1 |
| B. | <1 |
| C. | 0 |
| D. | 0 |
| Answer» B. <1 | |
| 146. |
Internal forces at every cross-section in a arch are |
| A. | nornal thrust and shear force |
| B. | shear force and bending moment |
| C. | normal thrust and bending moment |
| D. | normal thrust, shear force and bending moment |
| Answer» E. | |
| 147. |
The maximum bending moment due to a moving load on a fixed ended beam occurs |
| A. | at a support |
| B. | always at the midspan |
| C. | under the load only |
| D. | none of the above |
| Answer» B. always at the midspan | |
| 148. |
The property of material to absorb shock energy without failure is knownas…. |
| A. | elasticity |
| B. | toughness |
| C. | stiffness |
| D. | resilience |
| Answer» C. stiffness | |
| 149. |
A beam of overall length 1 with equal overhangs on both sides carries a uniformly distributed load over the entire length. To have numerically equal bending moments at centre of the beam and at supports, the distance between the supports should be |
| A. | 0.2771 |
| B. | 0.403 1 |
| C. | 0.5861 |
| D. | 0.7071 |
| Answer» D. 0.7071 | |
| 150. |
Within elastic limit in a loaded material, stress is |
| A. | inversely proportional to strain |
| B. | directly proportional to strain |
| C. | equal to strain |
| D. | none of the above |
| Answer» C. equal to strain | |